crypto/testmgr.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Algorithm testing framework and tests.
   4  *
   5  * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
   6  * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
   7  * Copyright (c) 2007 Nokia Siemens Networks
   8  * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
   9  * Copyright (c) 2019 Google LLC
  10  *
  11  * Updated RFC4106 AES-GCM testing.
  12  *    Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
  13  *             Adrian Hoban <adrian.hoban@intel.com>
  14  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
  15  *             Tadeusz Struk (tadeusz.struk@intel.com)
  16  *    Copyright (c) 2010, Intel Corporation.
  17  */
  18
  19 #include <crypto/aead.h>
  20 #include <crypto/hash.h>
  21 #include <crypto/skcipher.h>
  22 #include <linux/err.h>
  23 #include <linux/fips.h>
  24 #include <linux/module.h>
  25 #include <linux/once.h>
  26 #include <linux/random.h>
  27 #include <linux/scatterlist.h>
  28 #include <linux/slab.h>
  29 #include <linux/string.h>
  30 #include <linux/uio.h>
  31 #include <crypto/rng.h>
  32 #include <crypto/drbg.h>
  33 #include <crypto/akcipher.h>
  34 #include <crypto/kpp.h>
  35 #include <crypto/acompress.h>
  36 #include <crypto/internal/cipher.h>
  37 #include <crypto/internal/simd.h>
  38
  39 #include "internal.h"
  40
  41 MODULE_IMPORT_NS(CRYPTO_INTERNAL);
  42
  43 static bool notests;
  44 module_param(notests, bool, 0644);
  45 MODULE_PARM_DESC(notests, "disable crypto self-tests");
  46
  47 static bool panic_on_fail;
  48 module_param(panic_on_fail, bool, 0444);
  49
  50 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
  51 static bool noextratests;
  52 module_param(noextratests, bool, 0644);
  53 MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
  54
  55 static unsigned int fuzz_iterations = 100;
  56 module_param(fuzz_iterations, uint, 0644);
  57 MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
  58 #endif
  59
  60 #ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
  61
  62 /* a perfect nop */
  63 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
  64 {
  65         return 0;
  66 }
  67
  68 #else
  69
  70 #include "testmgr.h"
  71
  72 /*
  73  * Need slab memory for testing (size in number of pages).
  74  */
  75 #define XBUFSIZE        8
  76
  77 /*
  78 * Used by test_cipher()
  79 */
  80 #define ENCRYPT 1
  81 #define DECRYPT 0
  82
  83 struct aead_test_suite {
  84         const struct aead_testvec *vecs;
  85         unsigned int count;
  86
  87         /*
  88          * Set if trying to decrypt an inauthentic ciphertext with this
  89          * algorithm might result in EINVAL rather than EBADMSG, due to other
  90          * validation the algorithm does on the inputs such as length checks.
  91          */
  92         unsigned int einval_allowed : 1;
  93
  94         /*
  95          * Set if this algorithm requires that the IV be located at the end of
  96          * the AAD buffer, in addition to being given in the normal way.  The
  97          * behavior when the two IV copies differ is implementation-defined.
  98          */
  99         unsigned int aad_iv : 1;
 100 };
 101
 102 struct cipher_test_suite {
 103         const struct cipher_testvec *vecs;
 104         unsigned int count;
 105 };
 106
 107 struct comp_test_suite {
 108         struct {
 109                 const struct comp_testvec *vecs;
 110                 unsigned int count;
 111         } comp, decomp;
 112 };
 113
 114 struct hash_test_suite {
 115         const struct hash_testvec *vecs;
 116         unsigned int count;
 117 };
 118
 119 struct cprng_test_suite {
 120         const struct cprng_testvec *vecs;
 121         unsigned int count;
 122 };
 123
 124 struct drbg_test_suite {
 125         const struct drbg_testvec *vecs;
 126         unsigned int count;
 127 };
 128
 129 struct akcipher_test_suite {
 130         const struct akcipher_testvec *vecs;
 131         unsigned int count;
 132 };
 133
 134 struct kpp_test_suite {
 135         const struct kpp_testvec *vecs;
 136         unsigned int count;
 137 };
 138
 139 struct alg_test_desc {
 140         const char *alg;
 141         const char *generic_driver;
 142         int (*test)(const struct alg_test_desc *desc, const char *driver,
 143                     u32 type, u32 mask);
 144         int fips_allowed;       /* set if alg is allowed in fips mode */
 145
 146         union {
 147                 struct aead_test_suite aead;
 148                 struct cipher_test_suite cipher;
 149                 struct comp_test_suite comp;
 150                 struct hash_test_suite hash;
 151                 struct cprng_test_suite cprng;
 152                 struct drbg_test_suite drbg;
 153                 struct akcipher_test_suite akcipher;
 154                 struct kpp_test_suite kpp;
 155         } suite;
 156 };
 157
 158 static void hexdump(unsigned char *buf, unsigned int len)
 159 {
 160         print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
 161                         16, 1,
 162                         buf, len, false);
 163 }
 164
 165 static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
 166 {
 167         int i;
 168
 169         for (i = 0; i < XBUFSIZE; i++) {
 170                 buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
 171                 if (!buf[i])
 172                         goto err_free_buf;
 173         }
 174
 175         return 0;
 176
 177 err_free_buf:
 178         while (i-- > 0)
 179                 free_pages((unsigned long)buf[i], order);
 180
 181         return -ENOMEM;
 182 }
 183
 184 static int testmgr_alloc_buf(char *buf[XBUFSIZE])
 185 {
 186         return __testmgr_alloc_buf(buf, 0);
 187 }
 188
 189 static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
 190 {
 191         int i;
 192
 193         for (i = 0; i < XBUFSIZE; i++)
 194                 free_pages((unsigned long)buf[i], order);
 195 }
 196
 197 static void testmgr_free_buf(char *buf[XBUFSIZE])
 198 {
 199         __testmgr_free_buf(buf, 0);
 200 }
 201
 202 #define TESTMGR_POISON_BYTE     0xfe
 203 #define TESTMGR_POISON_LEN      16
 204
 205 static inline void testmgr_poison(void *addr, size_t len)
 206 {
 207         memset(addr, TESTMGR_POISON_BYTE, len);
 208 }
 209
 210 /* Is the memory region still fully poisoned? */
 211 static inline bool testmgr_is_poison(const void *addr, size_t len)
 212 {
 213         return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
 214 }
 215
 216 /* flush type for hash algorithms */
 217 enum flush_type {
 218         /* merge with update of previous buffer(s) */
 219         FLUSH_TYPE_NONE = 0,
 220
 221         /* update with previous buffer(s) before doing this one */
 222         FLUSH_TYPE_FLUSH,
 223
 224         /* likewise, but also export and re-import the intermediate state */
 225         FLUSH_TYPE_REIMPORT,
 226 };
 227
 228 /* finalization function for hash algorithms */
 229 enum finalization_type {
 230         FINALIZATION_TYPE_FINAL,        /* use final() */
 231         FINALIZATION_TYPE_FINUP,        /* use finup() */
 232         FINALIZATION_TYPE_DIGEST,       /* use digest() */
 233 };
 234
 235 /*
 236  * Whether the crypto operation will occur in-place, and if so whether the
 237  * source and destination scatterlist pointers will coincide (req->src ==
 238  * req->dst), or whether they'll merely point to two separate scatterlists
 239  * (req->src != req->dst) that reference the same underlying memory.
 240  *
 241  * This is only relevant for algorithm types that support in-place operation.
 242  */
 243 enum inplace_mode {
 244         OUT_OF_PLACE,
 245         INPLACE_ONE_SGLIST,
 246         INPLACE_TWO_SGLISTS,
 247 };
 248
 249 #define TEST_SG_TOTAL   10000
 250
 251 /**
 252  * struct test_sg_division - description of a scatterlist entry
 253  *
 254  * This struct describes one entry of a scatterlist being constructed to check a
 255  * crypto test vector.
 256  *
 257  * @proportion_of_total: length of this chunk relative to the total length,
 258  *                       given as a proportion out of TEST_SG_TOTAL so that it
 259  *                       scales to fit any test vector
 260  * @offset: byte offset into a 2-page buffer at which this chunk will start
 261  * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
 262  *                                @offset
 263  * @flush_type: for hashes, whether an update() should be done now vs.
 264  *              continuing to accumulate data
 265  * @nosimd: if doing the pending update(), do it with SIMD disabled?
 266  */
 267 struct test_sg_division {
 268         unsigned int proportion_of_total;
 269         unsigned int offset;
 270         bool offset_relative_to_alignmask;
 271         enum flush_type flush_type;
 272         bool nosimd;
 273 };
 274
 275 /**
 276  * struct testvec_config - configuration for testing a crypto test vector
 277  *
 278  * This struct describes the data layout and other parameters with which each
 279  * crypto test vector can be tested.
 280  *
 281  * @name: name of this config, logged for debugging purposes if a test fails
 282  * @inplace_mode: whether and how to operate on the data in-place, if applicable
 283  * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
 284  * @src_divs: description of how to arrange the source scatterlist
 285  * @dst_divs: description of how to arrange the dst scatterlist, if applicable
 286  *            for the algorithm type.  Defaults to @src_divs if unset.
 287  * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
 288  *             where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
 289  * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 290  *                                   the @iv_offset
 291  * @key_offset: misalignment of the key, where 0 is default alignment
 292  * @key_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
 293  *                                    the @key_offset
 294  * @finalization_type: what finalization function to use for hashes
 295  * @nosimd: execute with SIMD disabled?  Requires !CRYPTO_TFM_REQ_MAY_SLEEP.
 296  */
 297 struct testvec_config {
 298         const char *name;
 299         enum inplace_mode inplace_mode;
 300         u32 req_flags;
 301         struct test_sg_division src_divs[XBUFSIZE];
 302         struct test_sg_division dst_divs[XBUFSIZE];
 303         unsigned int iv_offset;
 304         unsigned int key_offset;
 305         bool iv_offset_relative_to_alignmask;
 306         bool key_offset_relative_to_alignmask;
 307         enum finalization_type finalization_type;
 308         bool nosimd;
 309 };
 310
 311 #define TESTVEC_CONFIG_NAMELEN  192
 312
 313 /*
 314  * The following are the lists of testvec_configs to test for each algorithm
 315  * type when the basic crypto self-tests are enabled, i.e. when
 316  * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset.  They aim to provide good test
 317  * coverage, while keeping the test time much shorter than the full fuzz tests
 318  * so that the basic tests can be enabled in a wider range of circumstances.
 319  */
 320
 321 /* Configs for skciphers and aeads */
 322 static const struct testvec_config default_cipher_testvec_configs[] = {
 323         {
 324                 .name = "in-place (one sglist)",
 325                 .inplace_mode = INPLACE_ONE_SGLIST,
 326                 .src_divs = { { .proportion_of_total = 10000 } },
 327         }, {
 328                 .name = "in-place (two sglists)",
 329                 .inplace_mode = INPLACE_TWO_SGLISTS,
 330                 .src_divs = { { .proportion_of_total = 10000 } },
 331         }, {
 332                 .name = "out-of-place",
 333                 .inplace_mode = OUT_OF_PLACE,
 334                 .src_divs = { { .proportion_of_total = 10000 } },
 335         }, {
 336                 .name = "unaligned buffer, offset=1",
 337                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 338                 .iv_offset = 1,
 339                 .key_offset = 1,
 340         }, {
 341                 .name = "buffer aligned only to alignmask",
 342                 .src_divs = {
 343                         {
 344                                 .proportion_of_total = 10000,
 345                                 .offset = 1,
 346                                 .offset_relative_to_alignmask = true,
 347                         },
 348                 },
 349                 .iv_offset = 1,
 350                 .iv_offset_relative_to_alignmask = true,
 351                 .key_offset = 1,
 352                 .key_offset_relative_to_alignmask = true,
 353         }, {
 354                 .name = "two even aligned splits",
 355                 .src_divs = {
 356                         { .proportion_of_total = 5000 },
 357                         { .proportion_of_total = 5000 },
 358                 },
 359         }, {
 360                 .name = "one src, two even splits dst",
 361                 .inplace_mode = OUT_OF_PLACE,
 362                 .src_divs = { { .proportion_of_total = 10000 } },
 363                 .dst_divs = {
 364                         { .proportion_of_total = 5000 },
 365                         { .proportion_of_total = 5000 },
 366                  },
 367         }, {
 368                 .name = "uneven misaligned splits, may sleep",
 369                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 370                 .src_divs = {
 371                         { .proportion_of_total = 1900, .offset = 33 },
 372                         { .proportion_of_total = 3300, .offset = 7  },
 373                         { .proportion_of_total = 4800, .offset = 18 },
 374                 },
 375                 .iv_offset = 3,
 376                 .key_offset = 3,
 377         }, {
 378                 .name = "misaligned splits crossing pages, inplace",
 379                 .inplace_mode = INPLACE_ONE_SGLIST,
 380                 .src_divs = {
 381                         {
 382                                 .proportion_of_total = 7500,
 383                                 .offset = PAGE_SIZE - 32
 384                         }, {
 385                                 .proportion_of_total = 2500,
 386                                 .offset = PAGE_SIZE - 7
 387                         },
 388                 },
 389         }
 390 };
 391
 392 static const struct testvec_config default_hash_testvec_configs[] = {
 393         {
 394                 .name = "init+update+final aligned buffer",
 395                 .src_divs = { { .proportion_of_total = 10000 } },
 396                 .finalization_type = FINALIZATION_TYPE_FINAL,
 397         }, {
 398                 .name = "init+finup aligned buffer",
 399                 .src_divs = { { .proportion_of_total = 10000 } },
 400                 .finalization_type = FINALIZATION_TYPE_FINUP,
 401         }, {
 402                 .name = "digest aligned buffer",
 403                 .src_divs = { { .proportion_of_total = 10000 } },
 404                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 405         }, {
 406                 .name = "init+update+final misaligned buffer",
 407                 .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
 408                 .finalization_type = FINALIZATION_TYPE_FINAL,
 409                 .key_offset = 1,
 410         }, {
 411                 .name = "digest misaligned buffer",
 412                 .src_divs = {
 413                         {
 414                                 .proportion_of_total = 10000,
 415                                 .offset = 1,
 416                         },
 417                 },
 418                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 419                 .key_offset = 1,
 420         }, {
 421                 .name = "init+update+update+final two even splits",
 422                 .src_divs = {
 423                         { .proportion_of_total = 5000 },
 424                         {
 425                                 .proportion_of_total = 5000,
 426                                 .flush_type = FLUSH_TYPE_FLUSH,
 427                         },
 428                 },
 429                 .finalization_type = FINALIZATION_TYPE_FINAL,
 430         }, {
 431                 .name = "digest uneven misaligned splits, may sleep",
 432                 .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
 433                 .src_divs = {
 434                         { .proportion_of_total = 1900, .offset = 33 },
 435                         { .proportion_of_total = 3300, .offset = 7  },
 436                         { .proportion_of_total = 4800, .offset = 18 },
 437                 },
 438                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 439         }, {
 440                 .name = "digest misaligned splits crossing pages",
 441                 .src_divs = {
 442                         {
 443                                 .proportion_of_total = 7500,
 444                                 .offset = PAGE_SIZE - 32,
 445                         }, {
 446                                 .proportion_of_total = 2500,
 447                                 .offset = PAGE_SIZE - 7,
 448                         },
 449                 },
 450                 .finalization_type = FINALIZATION_TYPE_DIGEST,
 451         }, {
 452                 .name = "import/export",
 453                 .src_divs = {
 454                         {
 455                                 .proportion_of_total = 6500,
 456                                 .flush_type = FLUSH_TYPE_REIMPORT,
 457                         }, {
 458                                 .proportion_of_total = 3500,
 459                                 .flush_type = FLUSH_TYPE_REIMPORT,
 460                         },
 461                 },
 462                 .finalization_type = FINALIZATION_TYPE_FINAL,
 463         }
 464 };
 465
 466 static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
 467 {
 468         unsigned int remaining = TEST_SG_TOTAL;
 469         unsigned int ndivs = 0;
 470
 471         do {
 472                 remaining -= divs[ndivs++].proportion_of_total;
 473         } while (remaining);
 474
 475         return ndivs;
 476 }
 477
 478 #define SGDIVS_HAVE_FLUSHES     BIT(0)
 479 #define SGDIVS_HAVE_NOSIMD      BIT(1)
 480
 481 static bool valid_sg_divisions(const struct test_sg_division *divs,
 482                                unsigned int count, int *flags_ret)
 483 {
 484         unsigned int total = 0;
 485         unsigned int i;
 486
 487         for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
 488                 if (divs[i].proportion_of_total <= 0 ||
 489                     divs[i].proportion_of_total > TEST_SG_TOTAL - total)
 490                         return false;
 491                 total += divs[i].proportion_of_total;
 492                 if (divs[i].flush_type != FLUSH_TYPE_NONE)
 493                         *flags_ret |= SGDIVS_HAVE_FLUSHES;
 494                 if (divs[i].nosimd)
 495                         *flags_ret |= SGDIVS_HAVE_NOSIMD;
 496         }
 497         return total == TEST_SG_TOTAL &&
 498                 memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
 499 }
 500
 501 /*
 502  * Check whether the given testvec_config is valid.  This isn't strictly needed
 503  * since every testvec_config should be valid, but check anyway so that people
 504  * don't unknowingly add broken configs that don't do what they wanted.
 505  */
 506 static bool valid_testvec_config(const struct testvec_config *cfg)
 507 {
 508         int flags = 0;
 509
 510         if (cfg->name == NULL)
 511                 return false;
 512
 513         if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
 514                                 &flags))
 515                 return false;
 516
 517         if (cfg->dst_divs[0].proportion_of_total) {
 518                 if (!valid_sg_divisions(cfg->dst_divs,
 519                                         ARRAY_SIZE(cfg->dst_divs), &flags))
 520                         return false;
 521         } else {
 522                 if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
 523                         return false;
 524                 /* defaults to dst_divs=src_divs */
 525         }
 526
 527         if (cfg->iv_offset +
 528             (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
 529             MAX_ALGAPI_ALIGNMASK + 1)
 530                 return false;
 531
 532         if ((flags & (SGDIVS_HAVE_FLUSHES | SGDIVS_HAVE_NOSIMD)) &&
 533             cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
 534                 return false;
 535
 536         if ((cfg->nosimd || (flags & SGDIVS_HAVE_NOSIMD)) &&
 537             (cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP))
 538                 return false;
 539
 540         return true;
 541 }
 542
 543 struct test_sglist {
 544         char *bufs[XBUFSIZE];
 545         struct scatterlist sgl[XBUFSIZE];
 546         struct scatterlist sgl_saved[XBUFSIZE];
 547         struct scatterlist *sgl_ptr;
 548         unsigned int nents;
 549 };
 550
 551 static int init_test_sglist(struct test_sglist *tsgl)
 552 {
 553         return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
 554 }
 555
 556 static void destroy_test_sglist(struct test_sglist *tsgl)
 557 {
 558         return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
 559 }
 560
 561 /**
 562  * build_test_sglist() - build a scatterlist for a crypto test
 563  *
 564  * @tsgl: the scatterlist to build.  @tsgl->bufs[] contains an array of 2-page
 565  *        buffers which the scatterlist @tsgl->sgl[] will be made to point into.
 566  * @divs: the layout specification on which the scatterlist will be based
 567  * @alignmask: the algorithm's alignmask
 568  * @total_len: the total length of the scatterlist to build in bytes
 569  * @data: if non-NULL, the buffers will be filled with this data until it ends.
 570  *        Otherwise the buffers will be poisoned.  In both cases, some bytes
 571  *        past the end of each buffer will be poisoned to help detect overruns.
 572  * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
 573  *            corresponds will be returned here.  This will match @divs except
 574  *            that divisions resolving to a length of 0 are omitted as they are
 575  *            not included in the scatterlist.
 576  *
 577  * Return: 0 or a -errno value
 578  */
 579 static int build_test_sglist(struct test_sglist *tsgl,
 580                              const struct test_sg_division *divs,
 581                              const unsigned int alignmask,
 582                              const unsigned int total_len,
 583                              struct iov_iter *data,
 584                              const struct test_sg_division *out_divs[XBUFSIZE])
 585 {
 586         struct {
 587                 const struct test_sg_division *div;
 588                 size_t length;
 589         } partitions[XBUFSIZE];
 590         const unsigned int ndivs = count_test_sg_divisions(divs);
 591         unsigned int len_remaining = total_len;
 592         unsigned int i;
 593
 594         BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
 595         if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
 596                 return -EINVAL;
 597
 598         /* Calculate the (div, length) pairs */
 599         tsgl->nents = 0;
 600         for (i = 0; i < ndivs; i++) {
 601                 unsigned int len_this_sg =
 602                         min(len_remaining,
 603                             (total_len * divs[i].proportion_of_total +
 604                              TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
 605
 606                 if (len_this_sg != 0) {
 607                         partitions[tsgl->nents].div = &divs[i];
 608                         partitions[tsgl->nents].length = len_this_sg;
 609                         tsgl->nents++;
 610                         len_remaining -= len_this_sg;
 611                 }
 612         }
 613         if (tsgl->nents == 0) {
 614                 partitions[tsgl->nents].div = &divs[0];
 615                 partitions[tsgl->nents].length = 0;
 616                 tsgl->nents++;
 617         }
 618         partitions[tsgl->nents - 1].length += len_remaining;
 619
 620         /* Set up the sgl entries and fill the data or poison */
 621         sg_init_table(tsgl->sgl, tsgl->nents);
 622         for (i = 0; i < tsgl->nents; i++) {
 623                 unsigned int offset = partitions[i].div->offset;
 624                 void *addr;
 625
 626                 if (partitions[i].div->offset_relative_to_alignmask)
 627                         offset += alignmask;
 628
 629                 while (offset + partitions[i].length + TESTMGR_POISON_LEN >
 630                        2 * PAGE_SIZE) {
 631                         if (WARN_ON(offset <= 0))
 632                                 return -EINVAL;
 633                         offset /= 2;
 634                 }
 635
 636                 addr = &tsgl->bufs[i][offset];
 637                 sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
 638
 639                 if (out_divs)
 640                         out_divs[i] = partitions[i].div;
 641
 642                 if (data) {
 643                         size_t copy_len, copied;
 644
 645                         copy_len = min(partitions[i].length, data->count);
 646                         copied = copy_from_iter(addr, copy_len, data);
 647                         if (WARN_ON(copied != copy_len))
 648                                 return -EINVAL;
 649                         testmgr_poison(addr + copy_len, partitions[i].length +
 650                                        TESTMGR_POISON_LEN - copy_len);
 651                 } else {
 652                         testmgr_poison(addr, partitions[i].length +
 653                                        TESTMGR_POISON_LEN);
 654                 }
 655         }
 656
 657         sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
 658         tsgl->sgl_ptr = tsgl->sgl;
 659         memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
 660         return 0;
 661 }
 662
 663 /*
 664  * Verify that a scatterlist crypto operation produced the correct output.
 665  *
 666  * @tsgl: scatterlist containing the actual output
 667  * @expected_output: buffer containing the expected output
 668  * @len_to_check: length of @expected_output in bytes
 669  * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
 670  * @check_poison: verify that the poison bytes after each chunk are intact?
 671  *
 672  * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
 673  */
 674 static int verify_correct_output(const struct test_sglist *tsgl,
 675                                  const char *expected_output,
 676                                  unsigned int len_to_check,
 677                                  unsigned int unchecked_prefix_len,
 678                                  bool check_poison)
 679 {
 680         unsigned int i;
 681
 682         for (i = 0; i < tsgl->nents; i++) {
 683                 struct scatterlist *sg = &tsgl->sgl_ptr[i];
 684                 unsigned int len = sg->length;
 685                 unsigned int offset = sg->offset;
 686                 const char *actual_output;
 687
 688                 if (unchecked_prefix_len) {
 689                         if (unchecked_prefix_len >= len) {
 690                                 unchecked_prefix_len -= len;
 691                                 continue;
 692                         }
 693                         offset += unchecked_prefix_len;
 694                         len -= unchecked_prefix_len;
 695                         unchecked_prefix_len = 0;
 696                 }
 697                 len = min(len, len_to_check);
 698                 actual_output = page_address(sg_page(sg)) + offset;
 699                 if (memcmp(expected_output, actual_output, len) != 0)
 700                         return -EINVAL;
 701                 if (check_poison &&
 702                     !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
 703                         return -EOVERFLOW;
 704                 len_to_check -= len;
 705                 expected_output += len;
 706         }
 707         if (WARN_ON(len_to_check != 0))
 708                 return -EINVAL;
 709         return 0;
 710 }
 711
 712 static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
 713 {
 714         unsigned int i;
 715
 716         for (i = 0; i < tsgl->nents; i++) {
 717                 if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
 718                         return true;
 719                 if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
 720                         return true;
 721                 if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
 722                         return true;
 723         }
 724         return false;
 725 }
 726
 727 struct cipher_test_sglists {
 728         struct test_sglist src;
 729         struct test_sglist dst;
 730 };
 731
 732 static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
 733 {
 734         struct cipher_test_sglists *tsgls;
 735
 736         tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
 737         if (!tsgls)
 738                 return NULL;
 739
 740         if (init_test_sglist(&tsgls->src) != 0)
 741                 goto fail_kfree;
 742         if (init_test_sglist(&tsgls->dst) != 0)
 743                 goto fail_destroy_src;
 744
 745         return tsgls;
 746
 747 fail_destroy_src:
 748         destroy_test_sglist(&tsgls->src);
 749 fail_kfree:
 750         kfree(tsgls);
 751         return NULL;
 752 }
 753
 754 static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
 755 {
 756         if (tsgls) {
 757                 destroy_test_sglist(&tsgls->src);
 758                 destroy_test_sglist(&tsgls->dst);
 759                 kfree(tsgls);
 760         }
 761 }
 762
 763 /* Build the src and dst scatterlists for an skcipher or AEAD test */
 764 static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
 765                                      const struct testvec_config *cfg,
 766                                      unsigned int alignmask,
 767                                      unsigned int src_total_len,
 768                                      unsigned int dst_total_len,
 769                                      const struct kvec *inputs,
 770                                      unsigned int nr_inputs)
 771 {
 772         struct iov_iter input;
 773         int err;
 774
 775         iov_iter_kvec(&input, ITER_SOURCE, inputs, nr_inputs, src_total_len);
 776         err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
 777                                 cfg->inplace_mode != OUT_OF_PLACE ?
 778                                         max(dst_total_len, src_total_len) :
 779                                         src_total_len,
 780                                 &input, NULL);
 781         if (err)
 782                 return err;
 783
 784         /*
 785          * In-place crypto operations can use the same scatterlist for both the
 786          * source and destination (req->src == req->dst), or can use separate
 787          * scatterlists (req->src != req->dst) which point to the same
 788          * underlying memory.  Make sure to test both cases.
 789          */
 790         if (cfg->inplace_mode == INPLACE_ONE_SGLIST) {
 791                 tsgls->dst.sgl_ptr = tsgls->src.sgl;
 792                 tsgls->dst.nents = tsgls->src.nents;
 793                 return 0;
 794         }
 795         if (cfg->inplace_mode == INPLACE_TWO_SGLISTS) {
 796                 /*
 797                  * For now we keep it simple and only test the case where the
 798                  * two scatterlists have identical entries, rather than
 799                  * different entries that split up the same memory differently.
 800                  */
 801                 memcpy(tsgls->dst.sgl, tsgls->src.sgl,
 802                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 803                 memcpy(tsgls->dst.sgl_saved, tsgls->src.sgl,
 804                        tsgls->src.nents * sizeof(tsgls->src.sgl[0]));
 805                 tsgls->dst.sgl_ptr = tsgls->dst.sgl;
 806                 tsgls->dst.nents = tsgls->src.nents;
 807                 return 0;
 808         }
 809         /* Out of place */
 810         return build_test_sglist(&tsgls->dst,
 811                                  cfg->dst_divs[0].proportion_of_total ?
 812                                         cfg->dst_divs : cfg->src_divs,
 813                                  alignmask, dst_total_len, NULL, NULL);
 814 }
 815
 816 /*
 817  * Support for testing passing a misaligned key to setkey():
 818  *
 819  * If cfg->key_offset is set, copy the key into a new buffer at that offset,
 820  * optionally adding alignmask.  Else, just use the key directly.
 821  */
 822 static int prepare_keybuf(const u8 *key, unsigned int ksize,
 823                           const struct testvec_config *cfg,
 824                           unsigned int alignmask,
 825                           const u8 **keybuf_ret, const u8 **keyptr_ret)
 826 {
 827         unsigned int key_offset = cfg->key_offset;
 828         u8 *keybuf = NULL, *keyptr = (u8 *)key;
 829
 830         if (key_offset != 0) {
 831                 if (cfg->key_offset_relative_to_alignmask)
 832                         key_offset += alignmask;
 833                 keybuf = kmalloc(key_offset + ksize, GFP_KERNEL);
 834                 if (!keybuf)
 835                         return -ENOMEM;
 836                 keyptr = keybuf + key_offset;
 837                 memcpy(keyptr, key, ksize);
 838         }
 839         *keybuf_ret = keybuf;
 840         *keyptr_ret = keyptr;
 841         return 0;
 842 }
 843
 844 /* Like setkey_f(tfm, key, ksize), but sometimes misalign the key */
 845 #define do_setkey(setkey_f, tfm, key, ksize, cfg, alignmask)            \
 846 ({                                                                      \
 847         const u8 *keybuf, *keyptr;                                      \
 848         int err;                                                        \
 849                                                                         \
 850         err = prepare_keybuf((key), (ksize), (cfg), (alignmask),        \
 851                              &keybuf, &keyptr);                         \
 852         if (err == 0) {                                                 \
 853                 err = setkey_f((tfm), keyptr, (ksize));                 \
 854                 kfree(keybuf);                                          \
 855         }                                                               \
 856         err;                                                            \
 857 })
 858
 859 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
 860
 861 /*
 862  * The fuzz tests use prandom instead of the normal Linux RNG since they don't
 863  * need cryptographically secure random numbers.  This greatly improves the
 864  * performance of these tests, especially if they are run before the Linux RNG
 865  * has been initialized or if they are run on a lockdep-enabled kernel.
 866  */
 867
 868 static inline void init_rnd_state(struct rnd_state *rng)
 869 {
 870         prandom_seed_state(rng, get_random_u64());
 871 }
 872
 873 static inline u8 prandom_u8(struct rnd_state *rng)
 874 {
 875         return prandom_u32_state(rng);
 876 }
 877
 878 static inline u32 prandom_u32_below(struct rnd_state *rng, u32 ceil)
 879 {
 880         /*
 881          * This is slightly biased for non-power-of-2 values of 'ceil', but this
 882          * isn't important here.
 883          */
 884         return prandom_u32_state(rng) % ceil;
 885 }
 886
 887 static inline bool prandom_bool(struct rnd_state *rng)
 888 {
 889         return prandom_u32_below(rng, 2);
 890 }
 891
 892 static inline u32 prandom_u32_inclusive(struct rnd_state *rng,
 893                                         u32 floor, u32 ceil)
 894 {
 895         return floor + prandom_u32_below(rng, ceil - floor + 1);
 896 }
 897
 898 /* Generate a random length in range [0, max_len], but prefer smaller values */
 899 static unsigned int generate_random_length(struct rnd_state *rng,
 900                                            unsigned int max_len)
 901 {
 902         unsigned int len = prandom_u32_below(rng, max_len + 1);
 903
 904         switch (prandom_u32_below(rng, 4)) {
 905         case 0:
 906                 return len % 64;
 907         case 1:
 908                 return len % 256;
 909         case 2:
 910                 return len % 1024;
 911         default:
 912                 return len;
 913         }
 914 }
 915
 916 /* Flip a random bit in the given nonempty data buffer */
 917 static void flip_random_bit(struct rnd_state *rng, u8 *buf, size_t size)
 918 {
 919         size_t bitpos;
 920
 921         bitpos = prandom_u32_below(rng, size * 8);
 922         buf[bitpos / 8] ^= 1 << (bitpos % 8);
 923 }
 924
 925 /* Flip a random byte in the given nonempty data buffer */
 926 static void flip_random_byte(struct rnd_state *rng, u8 *buf, size_t size)
 927 {
 928         buf[prandom_u32_below(rng, size)] ^= 0xff;
 929 }
 930
 931 /* Sometimes make some random changes to the given nonempty data buffer */
 932 static void mutate_buffer(struct rnd_state *rng, u8 *buf, size_t size)
 933 {
 934         size_t num_flips;
 935         size_t i;
 936
 937         /* Sometimes flip some bits */
 938         if (prandom_u32_below(rng, 4) == 0) {
 939                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8),
 940                                   size * 8);
 941                 for (i = 0; i < num_flips; i++)
 942                         flip_random_bit(rng, buf, size);
 943         }
 944
 945         /* Sometimes flip some bytes */
 946         if (prandom_u32_below(rng, 4) == 0) {
 947                 num_flips = min_t(size_t, 1 << prandom_u32_below(rng, 8), size);
 948                 for (i = 0; i < num_flips; i++)
 949                         flip_random_byte(rng, buf, size);
 950         }
 951 }
 952
 953 /* Randomly generate 'count' bytes, but sometimes make them "interesting" */
 954 static void generate_random_bytes(struct rnd_state *rng, u8 *buf, size_t count)
 955 {
 956         u8 b;
 957         u8 increment;
 958         size_t i;
 959
 960         if (count == 0)
 961                 return;
 962
 963         switch (prandom_u32_below(rng, 8)) { /* Choose a generation strategy */
 964         case 0:
 965         case 1:
 966                 /* All the same byte, plus optional mutations */
 967                 switch (prandom_u32_below(rng, 4)) {
 968                 case 0:
 969                         b = 0x00;
 970                         break;
 971                 case 1:
 972                         b = 0xff;
 973                         break;
 974                 default:
 975                         b = prandom_u8(rng);
 976                         break;
 977                 }
 978                 memset(buf, b, count);
 979                 mutate_buffer(rng, buf, count);
 980                 break;
 981         case 2:
 982                 /* Ascending or descending bytes, plus optional mutations */
 983                 increment = prandom_u8(rng);
 984                 b = prandom_u8(rng);
 985                 for (i = 0; i < count; i++, b += increment)
 986                         buf[i] = b;
 987                 mutate_buffer(rng, buf, count);
 988                 break;
 989         default:
 990                 /* Fully random bytes */
 991                 prandom_bytes_state(rng, buf, count);
 992         }
 993 }
 994
 995 static char *generate_random_sgl_divisions(struct rnd_state *rng,
 996                                            struct test_sg_division *divs,
 997                                            size_t max_divs, char *p, char *end,
 998                                            bool gen_flushes, u32 req_flags)
 999 {
1000         struct test_sg_division *div = divs;
1001         unsigned int remaining = TEST_SG_TOTAL;
1002
1003         do {
1004                 unsigned int this_len;
1005                 const char *flushtype_str;
1006
1007                 if (div == &divs[max_divs - 1] || prandom_bool(rng))
1008                         this_len = remaining;
1009                 else
1010                         this_len = prandom_u32_inclusive(rng, 1, remaining);
1011                 div->proportion_of_total = this_len;
1012
1013                 if (prandom_u32_below(rng, 4) == 0)
1014                         div->offset = prandom_u32_inclusive(rng,
1015                                                             PAGE_SIZE - 128,
1016                                                             PAGE_SIZE - 1);
1017                 else if (prandom_bool(rng))
1018                         div->offset = prandom_u32_below(rng, 32);
1019                 else
1020                         div->offset = prandom_u32_below(rng, PAGE_SIZE);
1021                 if (prandom_u32_below(rng, 8) == 0)
1022                         div->offset_relative_to_alignmask = true;
1023
1024                 div->flush_type = FLUSH_TYPE_NONE;
1025                 if (gen_flushes) {
1026                         switch (prandom_u32_below(rng, 4)) {
1027                         case 0:
1028                                 div->flush_type = FLUSH_TYPE_REIMPORT;
1029                                 break;
1030                         case 1:
1031                                 div->flush_type = FLUSH_TYPE_FLUSH;
1032                                 break;
1033                         }
1034                 }
1035
1036                 if (div->flush_type != FLUSH_TYPE_NONE &&
1037                     !(req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) &&
1038                     prandom_bool(rng))
1039                         div->nosimd = true;
1040
1041                 switch (div->flush_type) {
1042                 case FLUSH_TYPE_FLUSH:
1043                         if (div->nosimd)
1044                                 flushtype_str = "<flush,nosimd>";
1045                         else
1046                                 flushtype_str = "<flush>";
1047                         break;
1048                 case FLUSH_TYPE_REIMPORT:
1049                         if (div->nosimd)
1050                                 flushtype_str = "<reimport,nosimd>";
1051                         else
1052                                 flushtype_str = "<reimport>";
1053                         break;
1054                 default:
1055                         flushtype_str = "";
1056                         break;
1057                 }
1058
1059                 BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
1060                 p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s", flushtype_str,
1061                                this_len / 100, this_len % 100,
1062                                div->offset_relative_to_alignmask ?
1063                                         "alignmask" : "",
1064                                div->offset, this_len == remaining ? "" : ", ");
1065                 remaining -= this_len;
1066                 div++;
1067         } while (remaining);
1068
1069         return p;
1070 }
1071
1072 /* Generate a random testvec_config for fuzz testing */
1073 static void generate_random_testvec_config(struct rnd_state *rng,
1074                                            struct testvec_config *cfg,
1075                                            char *name, size_t max_namelen)
1076 {
1077         char *p = name;
1078         char * const end = name + max_namelen;
1079
1080         memset(cfg, 0, sizeof(*cfg));
1081
1082         cfg->name = name;
1083
1084         p += scnprintf(p, end - p, "random:");
1085
1086         switch (prandom_u32_below(rng, 4)) {
1087         case 0:
1088         case 1:
1089                 cfg->inplace_mode = OUT_OF_PLACE;
1090                 break;
1091         case 2:
1092                 cfg->inplace_mode = INPLACE_ONE_SGLIST;
1093                 p += scnprintf(p, end - p, " inplace_one_sglist");
1094                 break;
1095         default:
1096                 cfg->inplace_mode = INPLACE_TWO_SGLISTS;
1097                 p += scnprintf(p, end - p, " inplace_two_sglists");
1098                 break;
1099         }
1100
1101         if (prandom_bool(rng)) {
1102                 cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
1103                 p += scnprintf(p, end - p, " may_sleep");
1104         }
1105
1106         switch (prandom_u32_below(rng, 4)) {
1107         case 0:
1108                 cfg->finalization_type = FINALIZATION_TYPE_FINAL;
1109                 p += scnprintf(p, end - p, " use_final");
1110                 break;
1111         case 1:
1112                 cfg->finalization_type = FINALIZATION_TYPE_FINUP;
1113                 p += scnprintf(p, end - p, " use_finup");
1114                 break;
1115         default:
1116                 cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
1117                 p += scnprintf(p, end - p, " use_digest");
1118                 break;
1119         }
1120
1121         if (!(cfg->req_flags & CRYPTO_TFM_REQ_MAY_SLEEP) && prandom_bool(rng)) {
1122                 cfg->nosimd = true;
1123                 p += scnprintf(p, end - p, " nosimd");
1124         }
1125
1126         p += scnprintf(p, end - p, " src_divs=[");
1127         p = generate_random_sgl_divisions(rng, cfg->src_divs,
1128                                           ARRAY_SIZE(cfg->src_divs), p, end,
1129                                           (cfg->finalization_type !=
1130                                            FINALIZATION_TYPE_DIGEST),
1131                                           cfg->req_flags);
1132         p += scnprintf(p, end - p, "]");
1133
1134         if (cfg->inplace_mode == OUT_OF_PLACE && prandom_bool(rng)) {
1135                 p += scnprintf(p, end - p, " dst_divs=[");
1136                 p = generate_random_sgl_divisions(rng, cfg->dst_divs,
1137                                                   ARRAY_SIZE(cfg->dst_divs),
1138                                                   p, end, false,
1139                                                   cfg->req_flags);
1140                 p += scnprintf(p, end - p, "]");
1141         }
1142
1143         if (prandom_bool(rng)) {
1144                 cfg->iv_offset = prandom_u32_inclusive(rng, 1,
1145                                                        MAX_ALGAPI_ALIGNMASK);
1146                 p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
1147         }
1148
1149         if (prandom_bool(rng)) {
1150                 cfg->key_offset = prandom_u32_inclusive(rng, 1,
1151                                                         MAX_ALGAPI_ALIGNMASK);
1152                 p += scnprintf(p, end - p, " key_offset=%u", cfg->key_offset);
1153         }
1154
1155         WARN_ON_ONCE(!valid_testvec_config(cfg));
1156 }
1157
1158 static void crypto_disable_simd_for_test(void)
1159 {
1160         migrate_disable();
1161         __this_cpu_write(crypto_simd_disabled_for_test, true);
1162 }
1163
1164 static void crypto_reenable_simd_for_test(void)
1165 {
1166         __this_cpu_write(crypto_simd_disabled_for_test, false);
1167         migrate_enable();
1168 }
1169
1170 /*
1171  * Given an algorithm name, build the name of the generic implementation of that
1172  * algorithm, assuming the usual naming convention.  Specifically, this appends
1173  * "-generic" to every part of the name that is not a template name.  Examples:
1174  *
1175  *      aes => aes-generic
1176  *      cbc(aes) => cbc(aes-generic)
1177  *      cts(cbc(aes)) => cts(cbc(aes-generic))
1178  *      rfc7539(chacha20,poly1305) => rfc7539(chacha20-generic,poly1305-generic)
1179  *
1180  * Return: 0 on success, or -ENAMETOOLONG if the generic name would be too long
1181  */
1182 static int build_generic_driver_name(const char *algname,
1183                                      char driver_name[CRYPTO_MAX_ALG_NAME])
1184 {
1185         const char *in = algname;
1186         char *out = driver_name;
1187         size_t len = strlen(algname);
1188
1189         if (len >= CRYPTO_MAX_ALG_NAME)
1190                 goto too_long;
1191         do {
1192                 const char *in_saved = in;
1193
1194                 while (*in && *in != '(' && *in != ')' && *in != ',')
1195                         *out++ = *in++;
1196                 if (*in != '(' && in > in_saved) {
1197                         len += 8;
1198                         if (len >= CRYPTO_MAX_ALG_NAME)
1199                                 goto too_long;
1200                         memcpy(out, "-generic", 8);
1201                         out += 8;
1202                 }
1203         } while ((*out++ = *in++) != '\0');
1204         return 0;
1205
1206 too_long:
1207         pr_err("alg: generic driver name for \"%s\" would be too long\n",
1208                algname);
1209         return -ENAMETOOLONG;
1210 }
1211 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1212 static void crypto_disable_simd_for_test(void)
1213 {
1214 }
1215
1216 static void crypto_reenable_simd_for_test(void)
1217 {
1218 }
1219 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1220
1221 static int build_hash_sglist(struct test_sglist *tsgl,
1222                              const struct hash_testvec *vec,
1223                              const struct testvec_config *cfg,
1224                              unsigned int alignmask,
1225                              const struct test_sg_division *divs[XBUFSIZE])
1226 {
1227         struct kvec kv;
1228         struct iov_iter input;
1229
1230         kv.iov_base = (void *)vec->plaintext;
1231         kv.iov_len = vec->psize;
1232         iov_iter_kvec(&input, ITER_SOURCE, &kv, 1, vec->psize);
1233         return build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
1234                                  &input, divs);
1235 }
1236
1237 static int check_hash_result(const char *type,
1238                              const u8 *result, unsigned int digestsize,
1239                              const struct hash_testvec *vec,
1240                              const char *vec_name,
1241                              const char *driver,
1242                              const struct testvec_config *cfg)
1243 {
1244         if (memcmp(result, vec->digest, digestsize) != 0) {
1245                 pr_err("alg: %s: %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
1246                        type, driver, vec_name, cfg->name);
1247                 return -EINVAL;
1248         }
1249         if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
1250                 pr_err("alg: %s: %s overran result buffer on test vector %s, cfg=\"%s\"\n",
1251                        type, driver, vec_name, cfg->name);
1252                 return -EOVERFLOW;
1253         }
1254         return 0;
1255 }
1256
1257 static inline int check_shash_op(const char *op, int err,
1258                                  const char *driver, const char *vec_name,
1259                                  const struct testvec_config *cfg)
1260 {
1261         if (err)
1262                 pr_err("alg: shash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1263                        driver, op, err, vec_name, cfg->name);
1264         return err;
1265 }
1266
1267 /* Test one hash test vector in one configuration, using the shash API */
1268 static int test_shash_vec_cfg(const struct hash_testvec *vec,
1269                               const char *vec_name,
1270                               const struct testvec_config *cfg,
1271                               struct shash_desc *desc,
1272                               struct test_sglist *tsgl,
1273                               u8 *hashstate)
1274 {
1275         struct crypto_shash *tfm = desc->tfm;
1276         const unsigned int digestsize = crypto_shash_digestsize(tfm);
1277         const unsigned int statesize = crypto_shash_statesize(tfm);
1278         const char *driver = crypto_shash_driver_name(tfm);
1279         const struct test_sg_division *divs[XBUFSIZE];
1280         unsigned int i;
1281         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1282         int err;
1283
1284         /* Set the key, if specified */
1285         if (vec->ksize) {
1286                 err = do_setkey(crypto_shash_setkey, tfm, vec->key, vec->ksize,
1287                                 cfg, 0);
1288                 if (err) {
1289                         if (err == vec->setkey_error)
1290                                 return 0;
1291                         pr_err("alg: shash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1292                                driver, vec_name, vec->setkey_error, err,
1293                                crypto_shash_get_flags(tfm));
1294                         return err;
1295                 }
1296                 if (vec->setkey_error) {
1297                         pr_err("alg: shash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1298                                driver, vec_name, vec->setkey_error);
1299                         return -EINVAL;
1300                 }
1301         }
1302
1303         /* Build the scatterlist for the source data */
1304         err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1305         if (err) {
1306                 pr_err("alg: shash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1307                        driver, vec_name, cfg->name);
1308                 return err;
1309         }
1310
1311         /* Do the actual hashing */
1312
1313         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1314         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1315
1316         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1317             vec->digest_error) {
1318                 /* Just using digest() */
1319                 if (tsgl->nents != 1)
1320                         return 0;
1321                 if (cfg->nosimd)
1322                         crypto_disable_simd_for_test();
1323                 err = crypto_shash_digest(desc, sg_virt(&tsgl->sgl[0]),
1324                                           tsgl->sgl[0].length, result);
1325                 if (cfg->nosimd)
1326                         crypto_reenable_simd_for_test();
1327                 if (err) {
1328                         if (err == vec->digest_error)
1329                                 return 0;
1330                         pr_err("alg: shash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1331                                driver, vec_name, vec->digest_error, err,
1332                                cfg->name);
1333                         return err;
1334                 }
1335                 if (vec->digest_error) {
1336                         pr_err("alg: shash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1337                                driver, vec_name, vec->digest_error, cfg->name);
1338                         return -EINVAL;
1339                 }
1340                 goto result_ready;
1341         }
1342
1343         /* Using init(), zero or more update(), then final() or finup() */
1344
1345         if (cfg->nosimd)
1346                 crypto_disable_simd_for_test();
1347         err = crypto_shash_init(desc);
1348         if (cfg->nosimd)
1349                 crypto_reenable_simd_for_test();
1350         err = check_shash_op("init", err, driver, vec_name, cfg);
1351         if (err)
1352                 return err;
1353
1354         for (i = 0; i < tsgl->nents; i++) {
1355                 if (i + 1 == tsgl->nents &&
1356                     cfg->finalization_type == FINALIZATION_TYPE_FINUP) {
1357                         if (divs[i]->nosimd)
1358                                 crypto_disable_simd_for_test();
1359                         err = crypto_shash_finup(desc, sg_virt(&tsgl->sgl[i]),
1360                                                  tsgl->sgl[i].length, result);
1361                         if (divs[i]->nosimd)
1362                                 crypto_reenable_simd_for_test();
1363                         err = check_shash_op("finup", err, driver, vec_name,
1364                                              cfg);
1365                         if (err)
1366                                 return err;
1367                         goto result_ready;
1368                 }
1369                 if (divs[i]->nosimd)
1370                         crypto_disable_simd_for_test();
1371                 err = crypto_shash_update(desc, sg_virt(&tsgl->sgl[i]),
1372                                           tsgl->sgl[i].length);
1373                 if (divs[i]->nosimd)
1374                         crypto_reenable_simd_for_test();
1375                 err = check_shash_op("update", err, driver, vec_name, cfg);
1376                 if (err)
1377                         return err;
1378                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1379                         /* Test ->export() and ->import() */
1380                         testmgr_poison(hashstate + statesize,
1381                                        TESTMGR_POISON_LEN);
1382                         err = crypto_shash_export(desc, hashstate);
1383                         err = check_shash_op("export", err, driver, vec_name,
1384                                              cfg);
1385                         if (err)
1386                                 return err;
1387                         if (!testmgr_is_poison(hashstate + statesize,
1388                                                TESTMGR_POISON_LEN)) {
1389                                 pr_err("alg: shash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1390                                        driver, vec_name, cfg->name);
1391                                 return -EOVERFLOW;
1392                         }
1393                         testmgr_poison(desc->__ctx, crypto_shash_descsize(tfm));
1394                         err = crypto_shash_import(desc, hashstate);
1395                         err = check_shash_op("import", err, driver, vec_name,
1396                                              cfg);
1397                         if (err)
1398                                 return err;
1399                 }
1400         }
1401
1402         if (cfg->nosimd)
1403                 crypto_disable_simd_for_test();
1404         err = crypto_shash_final(desc, result);
1405         if (cfg->nosimd)
1406                 crypto_reenable_simd_for_test();
1407         err = check_shash_op("final", err, driver, vec_name, cfg);
1408         if (err)
1409                 return err;
1410 result_ready:
1411         return check_hash_result("shash", result, digestsize, vec, vec_name,
1412                                  driver, cfg);
1413 }
1414
1415 static int do_ahash_op(int (*op)(struct ahash_request *req),
1416                        struct ahash_request *req,
1417                        struct crypto_wait *wait, bool nosimd)
1418 {
1419         int err;
1420
1421         if (nosimd)
1422                 crypto_disable_simd_for_test();
1423
1424         err = op(req);
1425
1426         if (nosimd)
1427                 crypto_reenable_simd_for_test();
1428
1429         return crypto_wait_req(err, wait);
1430 }
1431
1432 static int check_nonfinal_ahash_op(const char *op, int err,
1433                                    u8 *result, unsigned int digestsize,
1434                                    const char *driver, const char *vec_name,
1435                                    const struct testvec_config *cfg)
1436 {
1437         if (err) {
1438                 pr_err("alg: ahash: %s %s() failed with err %d on test vector %s, cfg=\"%s\"\n",
1439                        driver, op, err, vec_name, cfg->name);
1440                 return err;
1441         }
1442         if (!testmgr_is_poison(result, digestsize)) {
1443                 pr_err("alg: ahash: %s %s() used result buffer on test vector %s, cfg=\"%s\"\n",
1444                        driver, op, vec_name, cfg->name);
1445                 return -EINVAL;
1446         }
1447         return 0;
1448 }
1449
1450 /* Test one hash test vector in one configuration, using the ahash API */
1451 static int test_ahash_vec_cfg(const struct hash_testvec *vec,
1452                               const char *vec_name,
1453                               const struct testvec_config *cfg,
1454                               struct ahash_request *req,
1455                               struct test_sglist *tsgl,
1456                               u8 *hashstate)
1457 {
1458         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1459         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1460         const unsigned int statesize = crypto_ahash_statesize(tfm);
1461         const char *driver = crypto_ahash_driver_name(tfm);
1462         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
1463         const struct test_sg_division *divs[XBUFSIZE];
1464         DECLARE_CRYPTO_WAIT(wait);
1465         unsigned int i;
1466         struct scatterlist *pending_sgl;
1467         unsigned int pending_len;
1468         u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
1469         int err;
1470
1471         /* Set the key, if specified */
1472         if (vec->ksize) {
1473                 err = do_setkey(crypto_ahash_setkey, tfm, vec->key, vec->ksize,
1474                                 cfg, 0);
1475                 if (err) {
1476                         if (err == vec->setkey_error)
1477                                 return 0;
1478                         pr_err("alg: ahash: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
1479                                driver, vec_name, vec->setkey_error, err,
1480                                crypto_ahash_get_flags(tfm));
1481                         return err;
1482                 }
1483                 if (vec->setkey_error) {
1484                         pr_err("alg: ahash: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
1485                                driver, vec_name, vec->setkey_error);
1486                         return -EINVAL;
1487                 }
1488         }
1489
1490         /* Build the scatterlist for the source data */
1491         err = build_hash_sglist(tsgl, vec, cfg, 0, divs);
1492         if (err) {
1493                 pr_err("alg: ahash: %s: error preparing scatterlist for test vector %s, cfg=\"%s\"\n",
1494                        driver, vec_name, cfg->name);
1495                 return err;
1496         }
1497
1498         /* Do the actual hashing */
1499
1500         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1501         testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
1502
1503         if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST ||
1504             vec->digest_error) {
1505                 /* Just using digest() */
1506                 ahash_request_set_callback(req, req_flags, crypto_req_done,
1507                                            &wait);
1508                 ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
1509                 err = do_ahash_op(crypto_ahash_digest, req, &wait, cfg->nosimd);
1510                 if (err) {
1511                         if (err == vec->digest_error)
1512                                 return 0;
1513                         pr_err("alg: ahash: %s digest() failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
1514                                driver, vec_name, vec->digest_error, err,
1515                                cfg->name);
1516                         return err;
1517                 }
1518                 if (vec->digest_error) {
1519                         pr_err("alg: ahash: %s digest() unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
1520                                driver, vec_name, vec->digest_error, cfg->name);
1521                         return -EINVAL;
1522                 }
1523                 goto result_ready;
1524         }
1525
1526         /* Using init(), zero or more update(), then final() or finup() */
1527
1528         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1529         ahash_request_set_crypt(req, NULL, result, 0);
1530         err = do_ahash_op(crypto_ahash_init, req, &wait, cfg->nosimd);
1531         err = check_nonfinal_ahash_op("init", err, result, digestsize,
1532                                       driver, vec_name, cfg);
1533         if (err)
1534                 return err;
1535
1536         pending_sgl = NULL;
1537         pending_len = 0;
1538         for (i = 0; i < tsgl->nents; i++) {
1539                 if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
1540                     pending_sgl != NULL) {
1541                         /* update() with the pending data */
1542                         ahash_request_set_callback(req, req_flags,
1543                                                    crypto_req_done, &wait);
1544                         ahash_request_set_crypt(req, pending_sgl, result,
1545                                                 pending_len);
1546                         err = do_ahash_op(crypto_ahash_update, req, &wait,
1547                                           divs[i]->nosimd);
1548                         err = check_nonfinal_ahash_op("update", err,
1549                                                       result, digestsize,
1550                                                       driver, vec_name, cfg);
1551                         if (err)
1552                                 return err;
1553                         pending_sgl = NULL;
1554                         pending_len = 0;
1555                 }
1556                 if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
1557                         /* Test ->export() and ->import() */
1558                         testmgr_poison(hashstate + statesize,
1559                                        TESTMGR_POISON_LEN);
1560                         err = crypto_ahash_export(req, hashstate);
1561                         err = check_nonfinal_ahash_op("export", err,
1562                                                       result, digestsize,
1563                                                       driver, vec_name, cfg);
1564                         if (err)
1565                                 return err;
1566                         if (!testmgr_is_poison(hashstate + statesize,
1567                                                TESTMGR_POISON_LEN)) {
1568                                 pr_err("alg: ahash: %s export() overran state buffer on test vector %s, cfg=\"%s\"\n",
1569                                        driver, vec_name, cfg->name);
1570                                 return -EOVERFLOW;
1571                         }
1572
1573                         testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
1574                         err = crypto_ahash_import(req, hashstate);
1575                         err = check_nonfinal_ahash_op("import", err,
1576                                                       result, digestsize,
1577                                                       driver, vec_name, cfg);
1578                         if (err)
1579                                 return err;
1580                 }
1581                 if (pending_sgl == NULL)
1582                         pending_sgl = &tsgl->sgl[i];
1583                 pending_len += tsgl->sgl[i].length;
1584         }
1585
1586         ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
1587         ahash_request_set_crypt(req, pending_sgl, result, pending_len);
1588         if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
1589                 /* finish with update() and final() */
1590                 err = do_ahash_op(crypto_ahash_update, req, &wait, cfg->nosimd);
1591                 err = check_nonfinal_ahash_op("update", err, result, digestsize,
1592                                               driver, vec_name, cfg);
1593                 if (err)
1594                         return err;
1595                 err = do_ahash_op(crypto_ahash_final, req, &wait, cfg->nosimd);
1596                 if (err) {
1597                         pr_err("alg: ahash: %s final() failed with err %d on test vector %s, cfg=\"%s\"\n",
1598                                driver, err, vec_name, cfg->name);
1599                         return err;
1600                 }
1601         } else {
1602                 /* finish with finup() */
1603                 err = do_ahash_op(crypto_ahash_finup, req, &wait, cfg->nosimd);
1604                 if (err) {
1605                         pr_err("alg: ahash: %s finup() failed with err %d on test vector %s, cfg=\"%s\"\n",
1606                                driver, err, vec_name, cfg->name);
1607                         return err;
1608                 }
1609         }
1610
1611 result_ready:
1612         return check_hash_result("ahash", result, digestsize, vec, vec_name,
1613                                  driver, cfg);
1614 }
1615
1616 static int test_hash_vec_cfg(const struct hash_testvec *vec,
1617                              const char *vec_name,
1618                              const struct testvec_config *cfg,
1619                              struct ahash_request *req,
1620                              struct shash_desc *desc,
1621                              struct test_sglist *tsgl,
1622                              u8 *hashstate)
1623 {
1624         int err;
1625
1626         /*
1627          * For algorithms implemented as "shash", most bugs will be detected by
1628          * both the shash and ahash tests.  Test the shash API first so that the
1629          * failures involve less indirection, so are easier to debug.
1630          */
1631
1632         if (desc) {
1633                 err = test_shash_vec_cfg(vec, vec_name, cfg, desc, tsgl,
1634                                          hashstate);
1635                 if (err)
1636                         return err;
1637         }
1638
1639         return test_ahash_vec_cfg(vec, vec_name, cfg, req, tsgl, hashstate);
1640 }
1641
1642 static int test_hash_vec(const struct hash_testvec *vec, unsigned int vec_num,
1643                          struct ahash_request *req, struct shash_desc *desc,
1644                          struct test_sglist *tsgl, u8 *hashstate)
1645 {
1646         char vec_name[16];
1647         unsigned int i;
1648         int err;
1649
1650         sprintf(vec_name, "%u", vec_num);
1651
1652         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
1653                 err = test_hash_vec_cfg(vec, vec_name,
1654                                         &default_hash_testvec_configs[i],
1655                                         req, desc, tsgl, hashstate);
1656                 if (err)
1657                         return err;
1658         }
1659
1660 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1661         if (!noextratests) {
1662                 struct rnd_state rng;
1663                 struct testvec_config cfg;
1664                 char cfgname[TESTVEC_CONFIG_NAMELEN];
1665
1666                 init_rnd_state(&rng);
1667
1668                 for (i = 0; i < fuzz_iterations; i++) {
1669                         generate_random_testvec_config(&rng, &cfg, cfgname,
1670                                                        sizeof(cfgname));
1671                         err = test_hash_vec_cfg(vec, vec_name, &cfg,
1672                                                 req, desc, tsgl, hashstate);
1673                         if (err)
1674                                 return err;
1675                         cond_resched();
1676                 }
1677         }
1678 #endif
1679         return 0;
1680 }
1681
1682 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
1683 /*
1684  * Generate a hash test vector from the given implementation.
1685  * Assumes the buffers in 'vec' were already allocated.
1686  */
1687 static void generate_random_hash_testvec(struct rnd_state *rng,
1688                                          struct shash_desc *desc,
1689                                          struct hash_testvec *vec,
1690                                          unsigned int maxkeysize,
1691                                          unsigned int maxdatasize,
1692                                          char *name, size_t max_namelen)
1693 {
1694         /* Data */
1695         vec->psize = generate_random_length(rng, maxdatasize);
1696         generate_random_bytes(rng, (u8 *)vec->plaintext, vec->psize);
1697
1698         /*
1699          * Key: length in range [1, maxkeysize], but usually choose maxkeysize.
1700          * If algorithm is unkeyed, then maxkeysize == 0 and set ksize = 0.
1701          */
1702         vec->setkey_error = 0;
1703         vec->ksize = 0;
1704         if (maxkeysize) {
1705                 vec->ksize = maxkeysize;
1706                 if (prandom_u32_below(rng, 4) == 0)
1707                         vec->ksize = prandom_u32_inclusive(rng, 1, maxkeysize);
1708                 generate_random_bytes(rng, (u8 *)vec->key, vec->ksize);
1709
1710                 vec->setkey_error = crypto_shash_setkey(desc->tfm, vec->key,
1711                                                         vec->ksize);
1712                 /* If the key couldn't be set, no need to continue to digest. */
1713                 if (vec->setkey_error)
1714                         goto done;
1715         }
1716
1717         /* Digest */
1718         vec->digest_error = crypto_shash_digest(desc, vec->plaintext,
1719                                                 vec->psize, (u8 *)vec->digest);
1720 done:
1721         snprintf(name, max_namelen, "\"random: psize=%u ksize=%u\"",
1722                  vec->psize, vec->ksize);
1723 }
1724
1725 /*
1726  * Test the hash algorithm represented by @req against the corresponding generic
1727  * implementation, if one is available.
1728  */
1729 static int test_hash_vs_generic_impl(const char *generic_driver,
1730                                      unsigned int maxkeysize,
1731                                      struct ahash_request *req,
1732                                      struct shash_desc *desc,
1733                                      struct test_sglist *tsgl,
1734                                      u8 *hashstate)
1735 {
1736         struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
1737         const unsigned int digestsize = crypto_ahash_digestsize(tfm);
1738         const unsigned int blocksize = crypto_ahash_blocksize(tfm);
1739         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
1740         const char *algname = crypto_hash_alg_common(tfm)->base.cra_name;
1741         const char *driver = crypto_ahash_driver_name(tfm);
1742         struct rnd_state rng;
1743         char _generic_driver[CRYPTO_MAX_ALG_NAME];
1744         struct crypto_shash *generic_tfm = NULL;
1745         struct shash_desc *generic_desc = NULL;
1746         unsigned int i;
1747         struct hash_testvec vec = { 0 };
1748         char vec_name[64];
1749         struct testvec_config *cfg;
1750         char cfgname[TESTVEC_CONFIG_NAMELEN];
1751         int err;
1752
1753         if (noextratests)
1754                 return 0;
1755
1756         init_rnd_state(&rng);
1757
1758         if (!generic_driver) { /* Use default naming convention? */
1759                 err = build_generic_driver_name(algname, _generic_driver);
1760                 if (err)
1761                         return err;
1762                 generic_driver = _generic_driver;
1763         }
1764
1765         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
1766                 return 0;
1767
1768         generic_tfm = crypto_alloc_shash(generic_driver, 0, 0);
1769         if (IS_ERR(generic_tfm)) {
1770                 err = PTR_ERR(generic_tfm);
1771                 if (err == -ENOENT) {
1772                         pr_warn("alg: hash: skipping comparison tests for %s because %s is unavailable\n",
1773                                 driver, generic_driver);
1774                         return 0;
1775                 }
1776                 pr_err("alg: hash: error allocating %s (generic impl of %s): %d\n",
1777                        generic_driver, algname, err);
1778                 return err;
1779         }
1780
1781         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
1782         if (!cfg) {
1783                 err = -ENOMEM;
1784                 goto out;
1785         }
1786
1787         generic_desc = kzalloc(sizeof(*desc) +
1788                                crypto_shash_descsize(generic_tfm), GFP_KERNEL);
1789         if (!generic_desc) {
1790                 err = -ENOMEM;
1791                 goto out;
1792         }
1793         generic_desc->tfm = generic_tfm;
1794
1795         /* Check the algorithm properties for consistency. */
1796
1797         if (digestsize != crypto_shash_digestsize(generic_tfm)) {
1798                 pr_err("alg: hash: digestsize for %s (%u) doesn't match generic impl (%u)\n",
1799                        driver, digestsize,
1800                        crypto_shash_digestsize(generic_tfm));
1801                 err = -EINVAL;
1802                 goto out;
1803         }
1804
1805         if (blocksize != crypto_shash_blocksize(generic_tfm)) {
1806                 pr_err("alg: hash: blocksize for %s (%u) doesn't match generic impl (%u)\n",
1807                        driver, blocksize, crypto_shash_blocksize(generic_tfm));
1808                 err = -EINVAL;
1809                 goto out;
1810         }
1811
1812         /*
1813          * Now generate test vectors using the generic implementation, and test
1814          * the other implementation against them.
1815          */
1816
1817         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
1818         vec.plaintext = kmalloc(maxdatasize, GFP_KERNEL);
1819         vec.digest = kmalloc(digestsize, GFP_KERNEL);
1820         if (!vec.key || !vec.plaintext || !vec.digest) {
1821                 err = -ENOMEM;
1822                 goto out;
1823         }
1824
1825         for (i = 0; i < fuzz_iterations * 8; i++) {
1826                 generate_random_hash_testvec(&rng, generic_desc, &vec,
1827                                              maxkeysize, maxdatasize,
1828                                              vec_name, sizeof(vec_name));
1829                 generate_random_testvec_config(&rng, cfg, cfgname,
1830                                                sizeof(cfgname));
1831
1832                 err = test_hash_vec_cfg(&vec, vec_name, cfg,
1833                                         req, desc, tsgl, hashstate);
1834                 if (err)
1835                         goto out;
1836                 cond_resched();
1837         }
1838         err = 0;
1839 out:
1840         kfree(cfg);
1841         kfree(vec.key);
1842         kfree(vec.plaintext);
1843         kfree(vec.digest);
1844         crypto_free_shash(generic_tfm);
1845         kfree_sensitive(generic_desc);
1846         return err;
1847 }
1848 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1849 static int test_hash_vs_generic_impl(const char *generic_driver,
1850                                      unsigned int maxkeysize,
1851                                      struct ahash_request *req,
1852                                      struct shash_desc *desc,
1853                                      struct test_sglist *tsgl,
1854                                      u8 *hashstate)
1855 {
1856         return 0;
1857 }
1858 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
1859
1860 static int alloc_shash(const char *driver, u32 type, u32 mask,
1861                        struct crypto_shash **tfm_ret,
1862                        struct shash_desc **desc_ret)
1863 {
1864         struct crypto_shash *tfm;
1865         struct shash_desc *desc;
1866
1867         tfm = crypto_alloc_shash(driver, type, mask);
1868         if (IS_ERR(tfm)) {
1869                 if (PTR_ERR(tfm) == -ENOENT) {
1870                         /*
1871                          * This algorithm is only available through the ahash
1872                          * API, not the shash API, so skip the shash tests.
1873                          */
1874                         return 0;
1875                 }
1876                 pr_err("alg: hash: failed to allocate shash transform for %s: %ld\n",
1877                        driver, PTR_ERR(tfm));
1878                 return PTR_ERR(tfm);
1879         }
1880
1881         desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
1882         if (!desc) {
1883                 crypto_free_shash(tfm);
1884                 return -ENOMEM;
1885         }
1886         desc->tfm = tfm;
1887
1888         *tfm_ret = tfm;
1889         *desc_ret = desc;
1890         return 0;
1891 }
1892
1893 static int __alg_test_hash(const struct hash_testvec *vecs,
1894                            unsigned int num_vecs, const char *driver,
1895                            u32 type, u32 mask,
1896                            const char *generic_driver, unsigned int maxkeysize)
1897 {
1898         struct crypto_ahash *atfm = NULL;
1899         struct ahash_request *req = NULL;
1900         struct crypto_shash *stfm = NULL;
1901         struct shash_desc *desc = NULL;
1902         struct test_sglist *tsgl = NULL;
1903         u8 *hashstate = NULL;
1904         unsigned int statesize;
1905         unsigned int i;
1906         int err;
1907
1908         /*
1909          * Always test the ahash API.  This works regardless of whether the
1910          * algorithm is implemented as ahash or shash.
1911          */
1912
1913         atfm = crypto_alloc_ahash(driver, type, mask);
1914         if (IS_ERR(atfm)) {
1915                 pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
1916                        driver, PTR_ERR(atfm));
1917                 return PTR_ERR(atfm);
1918         }
1919         driver = crypto_ahash_driver_name(atfm);
1920
1921         req = ahash_request_alloc(atfm, GFP_KERNEL);
1922         if (!req) {
1923                 pr_err("alg: hash: failed to allocate request for %s\n",
1924                        driver);
1925                 err = -ENOMEM;
1926                 goto out;
1927         }
1928
1929         /*
1930          * If available also test the shash API, to cover corner cases that may
1931          * be missed by testing the ahash API only.
1932          */
1933         err = alloc_shash(driver, type, mask, &stfm, &desc);
1934         if (err)
1935                 goto out;
1936
1937         tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
1938         if (!tsgl || init_test_sglist(tsgl) != 0) {
1939                 pr_err("alg: hash: failed to allocate test buffers for %s\n",
1940                        driver);
1941                 kfree(tsgl);
1942                 tsgl = NULL;
1943                 err = -ENOMEM;
1944                 goto out;
1945         }
1946
1947         statesize = crypto_ahash_statesize(atfm);
1948         if (stfm)
1949                 statesize = max(statesize, crypto_shash_statesize(stfm));
1950         hashstate = kmalloc(statesize + TESTMGR_POISON_LEN, GFP_KERNEL);
1951         if (!hashstate) {
1952                 pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
1953                        driver);
1954                 err = -ENOMEM;
1955                 goto out;
1956         }
1957
1958         for (i = 0; i < num_vecs; i++) {
1959                 if (fips_enabled && vecs[i].fips_skip)
1960                         continue;
1961
1962                 err = test_hash_vec(&vecs[i], i, req, desc, tsgl, hashstate);
1963                 if (err)
1964                         goto out;
1965                 cond_resched();
1966         }
1967         err = test_hash_vs_generic_impl(generic_driver, maxkeysize, req,
1968                                         desc, tsgl, hashstate);
1969 out:
1970         kfree(hashstate);
1971         if (tsgl) {
1972                 destroy_test_sglist(tsgl);
1973                 kfree(tsgl);
1974         }
1975         kfree(desc);
1976         crypto_free_shash(stfm);
1977         ahash_request_free(req);
1978         crypto_free_ahash(atfm);
1979         return err;
1980 }
1981
1982 static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
1983                          u32 type, u32 mask)
1984 {
1985         const struct hash_testvec *template = desc->suite.hash.vecs;
1986         unsigned int tcount = desc->suite.hash.count;
1987         unsigned int nr_unkeyed, nr_keyed;
1988         unsigned int maxkeysize = 0;
1989         int err;
1990
1991         /*
1992          * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
1993          * first, before setting a key on the tfm.  To make this easier, we
1994          * require that the unkeyed test vectors (if any) are listed first.
1995          */
1996
1997         for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
1998                 if (template[nr_unkeyed].ksize)
1999                         break;
2000         }
2001         for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
2002                 if (!template[nr_unkeyed + nr_keyed].ksize) {
2003                         pr_err("alg: hash: test vectors for %s out of order, "
2004                                "unkeyed ones must come first\n", desc->alg);
2005                         return -EINVAL;
2006                 }
2007                 maxkeysize = max_t(unsigned int, maxkeysize,
2008                                    template[nr_unkeyed + nr_keyed].ksize);
2009         }
2010
2011         err = 0;
2012         if (nr_unkeyed) {
2013                 err = __alg_test_hash(template, nr_unkeyed, driver, type, mask,
2014                                       desc->generic_driver, maxkeysize);
2015                 template += nr_unkeyed;
2016         }
2017
2018         if (!err && nr_keyed)
2019                 err = __alg_test_hash(template, nr_keyed, driver, type, mask,
2020                                       desc->generic_driver, maxkeysize);
2021
2022         return err;
2023 }
2024
2025 static int test_aead_vec_cfg(int enc, const struct aead_testvec *vec,
2026                              const char *vec_name,
2027                              const struct testvec_config *cfg,
2028                              struct aead_request *req,
2029                              struct cipher_test_sglists *tsgls)
2030 {
2031         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2032         const unsigned int alignmask = crypto_aead_alignmask(tfm);
2033         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2034         const unsigned int authsize = vec->clen - vec->plen;
2035         const char *driver = crypto_aead_driver_name(tfm);
2036         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2037         const char *op = enc ? "encryption" : "decryption";
2038         DECLARE_CRYPTO_WAIT(wait);
2039         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2040         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2041                  cfg->iv_offset +
2042                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2043         struct kvec input[2];
2044         int err;
2045
2046         /* Set the key */
2047         if (vec->wk)
2048                 crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2049         else
2050                 crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2051
2052         err = do_setkey(crypto_aead_setkey, tfm, vec->key, vec->klen,
2053                         cfg, alignmask);
2054         if (err && err != vec->setkey_error) {
2055                 pr_err("alg: aead: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2056                        driver, vec_name, vec->setkey_error, err,
2057                        crypto_aead_get_flags(tfm));
2058                 return err;
2059         }
2060         if (!err && vec->setkey_error) {
2061                 pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2062                        driver, vec_name, vec->setkey_error);
2063                 return -EINVAL;
2064         }
2065
2066         /* Set the authentication tag size */
2067         err = crypto_aead_setauthsize(tfm, authsize);
2068         if (err && err != vec->setauthsize_error) {
2069                 pr_err("alg: aead: %s setauthsize failed on test vector %s; expected_error=%d, actual_error=%d\n",
2070                        driver, vec_name, vec->setauthsize_error, err);
2071                 return err;
2072         }
2073         if (!err && vec->setauthsize_error) {
2074                 pr_err("alg: aead: %s setauthsize unexpectedly succeeded on test vector %s; expected_error=%d\n",
2075                        driver, vec_name, vec->setauthsize_error);
2076                 return -EINVAL;
2077         }
2078
2079         if (vec->setkey_error || vec->setauthsize_error)
2080                 return 0;
2081
2082         /* The IV must be copied to a buffer, as the algorithm may modify it */
2083         if (WARN_ON(ivsize > MAX_IVLEN))
2084                 return -EINVAL;
2085         if (vec->iv)
2086                 memcpy(iv, vec->iv, ivsize);
2087         else
2088                 memset(iv, 0, ivsize);
2089
2090         /* Build the src/dst scatterlists */
2091         input[0].iov_base = (void *)vec->assoc;
2092         input[0].iov_len = vec->alen;
2093         input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2094         input[1].iov_len = enc ? vec->plen : vec->clen;
2095         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2096                                         vec->alen + (enc ? vec->plen :
2097                                                      vec->clen),
2098                                         vec->alen + (enc ? vec->clen :
2099                                                      vec->plen),
2100                                         input, 2);
2101         if (err) {
2102                 pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2103                        driver, op, vec_name, cfg->name);
2104                 return err;
2105         }
2106
2107         /* Do the actual encryption or decryption */
2108         testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
2109         aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
2110         aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2111                                enc ? vec->plen : vec->clen, iv);
2112         aead_request_set_ad(req, vec->alen);
2113         if (cfg->nosimd)
2114                 crypto_disable_simd_for_test();
2115         err = enc ? crypto_aead_encrypt(req) : crypto_aead_decrypt(req);
2116         if (cfg->nosimd)
2117                 crypto_reenable_simd_for_test();
2118         err = crypto_wait_req(err, &wait);
2119
2120         /* Check that the algorithm didn't overwrite things it shouldn't have */
2121         if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
2122             req->assoclen != vec->alen ||
2123             req->iv != iv ||
2124             req->src != tsgls->src.sgl_ptr ||
2125             req->dst != tsgls->dst.sgl_ptr ||
2126             crypto_aead_reqtfm(req) != tfm ||
2127             req->base.complete != crypto_req_done ||
2128             req->base.flags != req_flags ||
2129             req->base.data != &wait) {
2130                 pr_err("alg: aead: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2131                        driver, op, vec_name, cfg->name);
2132                 if (req->cryptlen != (enc ? vec->plen : vec->clen))
2133                         pr_err("alg: aead: changed 'req->cryptlen'\n");
2134                 if (req->assoclen != vec->alen)
2135                         pr_err("alg: aead: changed 'req->assoclen'\n");
2136                 if (req->iv != iv)
2137                         pr_err("alg: aead: changed 'req->iv'\n");
2138                 if (req->src != tsgls->src.sgl_ptr)
2139                         pr_err("alg: aead: changed 'req->src'\n");
2140                 if (req->dst != tsgls->dst.sgl_ptr)
2141                         pr_err("alg: aead: changed 'req->dst'\n");
2142                 if (crypto_aead_reqtfm(req) != tfm)
2143                         pr_err("alg: aead: changed 'req->base.tfm'\n");
2144                 if (req->base.complete != crypto_req_done)
2145                         pr_err("alg: aead: changed 'req->base.complete'\n");
2146                 if (req->base.flags != req_flags)
2147                         pr_err("alg: aead: changed 'req->base.flags'\n");
2148                 if (req->base.data != &wait)
2149                         pr_err("alg: aead: changed 'req->base.data'\n");
2150                 return -EINVAL;
2151         }
2152         if (is_test_sglist_corrupted(&tsgls->src)) {
2153                 pr_err("alg: aead: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2154                        driver, op, vec_name, cfg->name);
2155                 return -EINVAL;
2156         }
2157         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2158             is_test_sglist_corrupted(&tsgls->dst)) {
2159                 pr_err("alg: aead: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2160                        driver, op, vec_name, cfg->name);
2161                 return -EINVAL;
2162         }
2163
2164         /* Check for unexpected success or failure, or wrong error code */
2165         if ((err == 0 && vec->novrfy) ||
2166             (err != vec->crypt_error && !(err == -EBADMSG && vec->novrfy))) {
2167                 char expected_error[32];
2168
2169                 if (vec->novrfy &&
2170                     vec->crypt_error != 0 && vec->crypt_error != -EBADMSG)
2171                         sprintf(expected_error, "-EBADMSG or %d",
2172                                 vec->crypt_error);
2173                 else if (vec->novrfy)
2174                         sprintf(expected_error, "-EBADMSG");
2175                 else
2176                         sprintf(expected_error, "%d", vec->crypt_error);
2177                 if (err) {
2178                         pr_err("alg: aead: %s %s failed on test vector %s; expected_error=%s, actual_error=%d, cfg=\"%s\"\n",
2179                                driver, op, vec_name, expected_error, err,
2180                                cfg->name);
2181                         return err;
2182                 }
2183                 pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %s; expected_error=%s, cfg=\"%s\"\n",
2184                        driver, op, vec_name, expected_error, cfg->name);
2185                 return -EINVAL;
2186         }
2187         if (err) /* Expectedly failed. */
2188                 return 0;
2189
2190         /* Check for the correct output (ciphertext or plaintext) */
2191         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2192                                     enc ? vec->clen : vec->plen,
2193                                     vec->alen,
2194                                     enc || cfg->inplace_mode == OUT_OF_PLACE);
2195         if (err == -EOVERFLOW) {
2196                 pr_err("alg: aead: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2197                        driver, op, vec_name, cfg->name);
2198                 return err;
2199         }
2200         if (err) {
2201                 pr_err("alg: aead: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2202                        driver, op, vec_name, cfg->name);
2203                 return err;
2204         }
2205
2206         return 0;
2207 }
2208
2209 static int test_aead_vec(int enc, const struct aead_testvec *vec,
2210                          unsigned int vec_num, struct aead_request *req,
2211                          struct cipher_test_sglists *tsgls)
2212 {
2213         char vec_name[16];
2214         unsigned int i;
2215         int err;
2216
2217         if (enc && vec->novrfy)
2218                 return 0;
2219
2220         sprintf(vec_name, "%u", vec_num);
2221
2222         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2223                 err = test_aead_vec_cfg(enc, vec, vec_name,
2224                                         &default_cipher_testvec_configs[i],
2225                                         req, tsgls);
2226                 if (err)
2227                         return err;
2228         }
2229
2230 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2231         if (!noextratests) {
2232                 struct rnd_state rng;
2233                 struct testvec_config cfg;
2234                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2235
2236                 init_rnd_state(&rng);
2237
2238                 for (i = 0; i < fuzz_iterations; i++) {
2239                         generate_random_testvec_config(&rng, &cfg, cfgname,
2240                                                        sizeof(cfgname));
2241                         err = test_aead_vec_cfg(enc, vec, vec_name,
2242                                                 &cfg, req, tsgls);
2243                         if (err)
2244                                 return err;
2245                         cond_resched();
2246                 }
2247         }
2248 #endif
2249         return 0;
2250 }
2251
2252 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2253
2254 struct aead_extra_tests_ctx {
2255         struct rnd_state rng;
2256         struct aead_request *req;
2257         struct crypto_aead *tfm;
2258         const struct alg_test_desc *test_desc;
2259         struct cipher_test_sglists *tsgls;
2260         unsigned int maxdatasize;
2261         unsigned int maxkeysize;
2262
2263         struct aead_testvec vec;
2264         char vec_name[64];
2265         char cfgname[TESTVEC_CONFIG_NAMELEN];
2266         struct testvec_config cfg;
2267 };
2268
2269 /*
2270  * Make at least one random change to a (ciphertext, AAD) pair.  "Ciphertext"
2271  * here means the full ciphertext including the authentication tag.  The
2272  * authentication tag (and hence also the ciphertext) is assumed to be nonempty.
2273  */
2274 static void mutate_aead_message(struct rnd_state *rng,
2275                                 struct aead_testvec *vec, bool aad_iv,
2276                                 unsigned int ivsize)
2277 {
2278         const unsigned int aad_tail_size = aad_iv ? ivsize : 0;
2279         const unsigned int authsize = vec->clen - vec->plen;
2280
2281         if (prandom_bool(rng) && vec->alen > aad_tail_size) {
2282                  /* Mutate the AAD */
2283                 flip_random_bit(rng, (u8 *)vec->assoc,
2284                                 vec->alen - aad_tail_size);
2285                 if (prandom_bool(rng))
2286                         return;
2287         }
2288         if (prandom_bool(rng)) {
2289                 /* Mutate auth tag (assuming it's at the end of ciphertext) */
2290                 flip_random_bit(rng, (u8 *)vec->ctext + vec->plen, authsize);
2291         } else {
2292                 /* Mutate any part of the ciphertext */
2293                 flip_random_bit(rng, (u8 *)vec->ctext, vec->clen);
2294         }
2295 }
2296
2297 /*
2298  * Minimum authentication tag size in bytes at which we assume that we can
2299  * reliably generate inauthentic messages, i.e. not generate an authentic
2300  * message by chance.
2301  */
2302 #define MIN_COLLISION_FREE_AUTHSIZE 8
2303
2304 static void generate_aead_message(struct rnd_state *rng,
2305                                   struct aead_request *req,
2306                                   const struct aead_test_suite *suite,
2307                                   struct aead_testvec *vec,
2308                                   bool prefer_inauthentic)
2309 {
2310         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2311         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2312         const unsigned int authsize = vec->clen - vec->plen;
2313         const bool inauthentic = (authsize >= MIN_COLLISION_FREE_AUTHSIZE) &&
2314                                  (prefer_inauthentic ||
2315                                   prandom_u32_below(rng, 4) == 0);
2316
2317         /* Generate the AAD. */
2318         generate_random_bytes(rng, (u8 *)vec->assoc, vec->alen);
2319         if (suite->aad_iv && vec->alen >= ivsize)
2320                 /* Avoid implementation-defined behavior. */
2321                 memcpy((u8 *)vec->assoc + vec->alen - ivsize, vec->iv, ivsize);
2322
2323         if (inauthentic && prandom_bool(rng)) {
2324                 /* Generate a random ciphertext. */
2325                 generate_random_bytes(rng, (u8 *)vec->ctext, vec->clen);
2326         } else {
2327                 int i = 0;
2328                 struct scatterlist src[2], dst;
2329                 u8 iv[MAX_IVLEN];
2330                 DECLARE_CRYPTO_WAIT(wait);
2331
2332                 /* Generate a random plaintext and encrypt it. */
2333                 sg_init_table(src, 2);
2334                 if (vec->alen)
2335                         sg_set_buf(&src[i++], vec->assoc, vec->alen);
2336                 if (vec->plen) {
2337                         generate_random_bytes(rng, (u8 *)vec->ptext, vec->plen);
2338                         sg_set_buf(&src[i++], vec->ptext, vec->plen);
2339                 }
2340                 sg_init_one(&dst, vec->ctext, vec->alen + vec->clen);
2341                 memcpy(iv, vec->iv, ivsize);
2342                 aead_request_set_callback(req, 0, crypto_req_done, &wait);
2343                 aead_request_set_crypt(req, src, &dst, vec->plen, iv);
2344                 aead_request_set_ad(req, vec->alen);
2345                 vec->crypt_error = crypto_wait_req(crypto_aead_encrypt(req),
2346                                                    &wait);
2347                 /* If encryption failed, we're done. */
2348                 if (vec->crypt_error != 0)
2349                         return;
2350                 memmove((u8 *)vec->ctext, vec->ctext + vec->alen, vec->clen);
2351                 if (!inauthentic)
2352                         return;
2353                 /*
2354                  * Mutate the authentic (ciphertext, AAD) pair to get an
2355                  * inauthentic one.
2356                  */
2357                 mutate_aead_message(rng, vec, suite->aad_iv, ivsize);
2358         }
2359         vec->novrfy = 1;
2360         if (suite->einval_allowed)
2361                 vec->crypt_error = -EINVAL;
2362 }
2363
2364 /*
2365  * Generate an AEAD test vector 'vec' using the implementation specified by
2366  * 'req'.  The buffers in 'vec' must already be allocated.
2367  *
2368  * If 'prefer_inauthentic' is true, then this function will generate inauthentic
2369  * test vectors (i.e. vectors with 'vec->novrfy=1') more often.
2370  */
2371 static void generate_random_aead_testvec(struct rnd_state *rng,
2372                                          struct aead_request *req,
2373                                          struct aead_testvec *vec,
2374                                          const struct aead_test_suite *suite,
2375                                          unsigned int maxkeysize,
2376                                          unsigned int maxdatasize,
2377                                          char *name, size_t max_namelen,
2378                                          bool prefer_inauthentic)
2379 {
2380         struct crypto_aead *tfm = crypto_aead_reqtfm(req);
2381         const unsigned int ivsize = crypto_aead_ivsize(tfm);
2382         const unsigned int maxauthsize = crypto_aead_maxauthsize(tfm);
2383         unsigned int authsize;
2384         unsigned int total_len;
2385
2386         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
2387         vec->klen = maxkeysize;
2388         if (prandom_u32_below(rng, 4) == 0)
2389                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
2390         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
2391         vec->setkey_error = crypto_aead_setkey(tfm, vec->key, vec->klen);
2392
2393         /* IV */
2394         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
2395
2396         /* Tag length: in [0, maxauthsize], but usually choose maxauthsize */
2397         authsize = maxauthsize;
2398         if (prandom_u32_below(rng, 4) == 0)
2399                 authsize = prandom_u32_below(rng, maxauthsize + 1);
2400         if (prefer_inauthentic && authsize < MIN_COLLISION_FREE_AUTHSIZE)
2401                 authsize = MIN_COLLISION_FREE_AUTHSIZE;
2402         if (WARN_ON(authsize > maxdatasize))
2403                 authsize = maxdatasize;
2404         maxdatasize -= authsize;
2405         vec->setauthsize_error = crypto_aead_setauthsize(tfm, authsize);
2406
2407         /* AAD, plaintext, and ciphertext lengths */
2408         total_len = generate_random_length(rng, maxdatasize);
2409         if (prandom_u32_below(rng, 4) == 0)
2410                 vec->alen = 0;
2411         else
2412                 vec->alen = generate_random_length(rng, total_len);
2413         vec->plen = total_len - vec->alen;
2414         vec->clen = vec->plen + authsize;
2415
2416         /*
2417          * Generate the AAD, plaintext, and ciphertext.  Not applicable if the
2418          * key or the authentication tag size couldn't be set.
2419          */
2420         vec->novrfy = 0;
2421         vec->crypt_error = 0;
2422         if (vec->setkey_error == 0 && vec->setauthsize_error == 0)
2423                 generate_aead_message(rng, req, suite, vec, prefer_inauthentic);
2424         snprintf(name, max_namelen,
2425                  "\"random: alen=%u plen=%u authsize=%u klen=%u novrfy=%d\"",
2426                  vec->alen, vec->plen, authsize, vec->klen, vec->novrfy);
2427 }
2428
2429 static void try_to_generate_inauthentic_testvec(
2430                                         struct aead_extra_tests_ctx *ctx)
2431 {
2432         int i;
2433
2434         for (i = 0; i < 10; i++) {
2435                 generate_random_aead_testvec(&ctx->rng, ctx->req, &ctx->vec,
2436                                              &ctx->test_desc->suite.aead,
2437                                              ctx->maxkeysize, ctx->maxdatasize,
2438                                              ctx->vec_name,
2439                                              sizeof(ctx->vec_name), true);
2440                 if (ctx->vec.novrfy)
2441                         return;
2442         }
2443 }
2444
2445 /*
2446  * Generate inauthentic test vectors (i.e. ciphertext, AAD pairs that aren't the
2447  * result of an encryption with the key) and verify that decryption fails.
2448  */
2449 static int test_aead_inauthentic_inputs(struct aead_extra_tests_ctx *ctx)
2450 {
2451         unsigned int i;
2452         int err;
2453
2454         for (i = 0; i < fuzz_iterations * 8; i++) {
2455                 /*
2456                  * Since this part of the tests isn't comparing the
2457                  * implementation to another, there's no point in testing any
2458                  * test vectors other than inauthentic ones (vec.novrfy=1) here.
2459                  *
2460                  * If we're having trouble generating such a test vector, e.g.
2461                  * if the algorithm keeps rejecting the generated keys, don't
2462                  * retry forever; just continue on.
2463                  */
2464                 try_to_generate_inauthentic_testvec(ctx);
2465                 if (ctx->vec.novrfy) {
2466                         generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2467                                                        ctx->cfgname,
2468                                                        sizeof(ctx->cfgname));
2469                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2470                                                 ctx->vec_name, &ctx->cfg,
2471                                                 ctx->req, ctx->tsgls);
2472                         if (err)
2473                                 return err;
2474                 }
2475                 cond_resched();
2476         }
2477         return 0;
2478 }
2479
2480 /*
2481  * Test the AEAD algorithm against the corresponding generic implementation, if
2482  * one is available.
2483  */
2484 static int test_aead_vs_generic_impl(struct aead_extra_tests_ctx *ctx)
2485 {
2486         struct crypto_aead *tfm = ctx->tfm;
2487         const char *algname = crypto_aead_alg(tfm)->base.cra_name;
2488         const char *driver = crypto_aead_driver_name(tfm);
2489         const char *generic_driver = ctx->test_desc->generic_driver;
2490         char _generic_driver[CRYPTO_MAX_ALG_NAME];
2491         struct crypto_aead *generic_tfm = NULL;
2492         struct aead_request *generic_req = NULL;
2493         unsigned int i;
2494         int err;
2495
2496         if (!generic_driver) { /* Use default naming convention? */
2497                 err = build_generic_driver_name(algname, _generic_driver);
2498                 if (err)
2499                         return err;
2500                 generic_driver = _generic_driver;
2501         }
2502
2503         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
2504                 return 0;
2505
2506         generic_tfm = crypto_alloc_aead(generic_driver, 0, 0);
2507         if (IS_ERR(generic_tfm)) {
2508                 err = PTR_ERR(generic_tfm);
2509                 if (err == -ENOENT) {
2510                         pr_warn("alg: aead: skipping comparison tests for %s because %s is unavailable\n",
2511                                 driver, generic_driver);
2512                         return 0;
2513                 }
2514                 pr_err("alg: aead: error allocating %s (generic impl of %s): %d\n",
2515                        generic_driver, algname, err);
2516                 return err;
2517         }
2518
2519         generic_req = aead_request_alloc(generic_tfm, GFP_KERNEL);
2520         if (!generic_req) {
2521                 err = -ENOMEM;
2522                 goto out;
2523         }
2524
2525         /* Check the algorithm properties for consistency. */
2526
2527         if (crypto_aead_maxauthsize(tfm) !=
2528             crypto_aead_maxauthsize(generic_tfm)) {
2529                 pr_err("alg: aead: maxauthsize for %s (%u) doesn't match generic impl (%u)\n",
2530                        driver, crypto_aead_maxauthsize(tfm),
2531                        crypto_aead_maxauthsize(generic_tfm));
2532                 err = -EINVAL;
2533                 goto out;
2534         }
2535
2536         if (crypto_aead_ivsize(tfm) != crypto_aead_ivsize(generic_tfm)) {
2537                 pr_err("alg: aead: ivsize for %s (%u) doesn't match generic impl (%u)\n",
2538                        driver, crypto_aead_ivsize(tfm),
2539                        crypto_aead_ivsize(generic_tfm));
2540                 err = -EINVAL;
2541                 goto out;
2542         }
2543
2544         if (crypto_aead_blocksize(tfm) != crypto_aead_blocksize(generic_tfm)) {
2545                 pr_err("alg: aead: blocksize for %s (%u) doesn't match generic impl (%u)\n",
2546                        driver, crypto_aead_blocksize(tfm),
2547                        crypto_aead_blocksize(generic_tfm));
2548                 err = -EINVAL;
2549                 goto out;
2550         }
2551
2552         /*
2553          * Now generate test vectors using the generic implementation, and test
2554          * the other implementation against them.
2555          */
2556         for (i = 0; i < fuzz_iterations * 8; i++) {
2557                 generate_random_aead_testvec(&ctx->rng, generic_req, &ctx->vec,
2558                                              &ctx->test_desc->suite.aead,
2559                                              ctx->maxkeysize, ctx->maxdatasize,
2560                                              ctx->vec_name,
2561                                              sizeof(ctx->vec_name), false);
2562                 generate_random_testvec_config(&ctx->rng, &ctx->cfg,
2563                                                ctx->cfgname,
2564                                                sizeof(ctx->cfgname));
2565                 if (!ctx->vec.novrfy) {
2566                         err = test_aead_vec_cfg(ENCRYPT, &ctx->vec,
2567                                                 ctx->vec_name, &ctx->cfg,
2568                                                 ctx->req, ctx->tsgls);
2569                         if (err)
2570                                 goto out;
2571                 }
2572                 if (ctx->vec.crypt_error == 0 || ctx->vec.novrfy) {
2573                         err = test_aead_vec_cfg(DECRYPT, &ctx->vec,
2574                                                 ctx->vec_name, &ctx->cfg,
2575                                                 ctx->req, ctx->tsgls);
2576                         if (err)
2577                                 goto out;
2578                 }
2579                 cond_resched();
2580         }
2581         err = 0;
2582 out:
2583         crypto_free_aead(generic_tfm);
2584         aead_request_free(generic_req);
2585         return err;
2586 }
2587
2588 static int test_aead_extra(const struct alg_test_desc *test_desc,
2589                            struct aead_request *req,
2590                            struct cipher_test_sglists *tsgls)
2591 {
2592         struct aead_extra_tests_ctx *ctx;
2593         unsigned int i;
2594         int err;
2595
2596         if (noextratests)
2597                 return 0;
2598
2599         ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
2600         if (!ctx)
2601                 return -ENOMEM;
2602         init_rnd_state(&ctx->rng);
2603         ctx->req = req;
2604         ctx->tfm = crypto_aead_reqtfm(req);
2605         ctx->test_desc = test_desc;
2606         ctx->tsgls = tsgls;
2607         ctx->maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
2608         ctx->maxkeysize = 0;
2609         for (i = 0; i < test_desc->suite.aead.count; i++)
2610                 ctx->maxkeysize = max_t(unsigned int, ctx->maxkeysize,
2611                                         test_desc->suite.aead.vecs[i].klen);
2612
2613         ctx->vec.key = kmalloc(ctx->maxkeysize, GFP_KERNEL);
2614         ctx->vec.iv = kmalloc(crypto_aead_ivsize(ctx->tfm), GFP_KERNEL);
2615         ctx->vec.assoc = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2616         ctx->vec.ptext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2617         ctx->vec.ctext = kmalloc(ctx->maxdatasize, GFP_KERNEL);
2618         if (!ctx->vec.key || !ctx->vec.iv || !ctx->vec.assoc ||
2619             !ctx->vec.ptext || !ctx->vec.ctext) {
2620                 err = -ENOMEM;
2621                 goto out;
2622         }
2623
2624         err = test_aead_vs_generic_impl(ctx);
2625         if (err)
2626                 goto out;
2627
2628         err = test_aead_inauthentic_inputs(ctx);
2629 out:
2630         kfree(ctx->vec.key);
2631         kfree(ctx->vec.iv);
2632         kfree(ctx->vec.assoc);
2633         kfree(ctx->vec.ptext);
2634         kfree(ctx->vec.ctext);
2635         kfree(ctx);
2636         return err;
2637 }
2638 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2639 static int test_aead_extra(const struct alg_test_desc *test_desc,
2640                            struct aead_request *req,
2641                            struct cipher_test_sglists *tsgls)
2642 {
2643         return 0;
2644 }
2645 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
2646
2647 static int test_aead(int enc, const struct aead_test_suite *suite,
2648                      struct aead_request *req,
2649                      struct cipher_test_sglists *tsgls)
2650 {
2651         unsigned int i;
2652         int err;
2653
2654         for (i = 0; i < suite->count; i++) {
2655                 err = test_aead_vec(enc, &suite->vecs[i], i, req, tsgls);
2656                 if (err)
2657                         return err;
2658                 cond_resched();
2659         }
2660         return 0;
2661 }
2662
2663 static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
2664                          u32 type, u32 mask)
2665 {
2666         const struct aead_test_suite *suite = &desc->suite.aead;
2667         struct crypto_aead *tfm;
2668         struct aead_request *req = NULL;
2669         struct cipher_test_sglists *tsgls = NULL;
2670         int err;
2671
2672         if (suite->count <= 0) {
2673                 pr_err("alg: aead: empty test suite for %s\n", driver);
2674                 return -EINVAL;
2675         }
2676
2677         tfm = crypto_alloc_aead(driver, type, mask);
2678         if (IS_ERR(tfm)) {
2679                 pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
2680                        driver, PTR_ERR(tfm));
2681                 return PTR_ERR(tfm);
2682         }
2683         driver = crypto_aead_driver_name(tfm);
2684
2685         req = aead_request_alloc(tfm, GFP_KERNEL);
2686         if (!req) {
2687                 pr_err("alg: aead: failed to allocate request for %s\n",
2688                        driver);
2689                 err = -ENOMEM;
2690                 goto out;
2691         }
2692
2693         tsgls = alloc_cipher_test_sglists();
2694         if (!tsgls) {
2695                 pr_err("alg: aead: failed to allocate test buffers for %s\n",
2696                        driver);
2697                 err = -ENOMEM;
2698                 goto out;
2699         }
2700
2701         err = test_aead(ENCRYPT, suite, req, tsgls);
2702         if (err)
2703                 goto out;
2704
2705         err = test_aead(DECRYPT, suite, req, tsgls);
2706         if (err)
2707                 goto out;
2708
2709         err = test_aead_extra(desc, req, tsgls);
2710 out:
2711         free_cipher_test_sglists(tsgls);
2712         aead_request_free(req);
2713         crypto_free_aead(tfm);
2714         return err;
2715 }
2716
2717 static int test_cipher(struct crypto_cipher *tfm, int enc,
2718                        const struct cipher_testvec *template,
2719                        unsigned int tcount)
2720 {
2721         const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
2722         unsigned int i, j, k;
2723         char *q;
2724         const char *e;
2725         const char *input, *result;
2726         void *data;
2727         char *xbuf[XBUFSIZE];
2728         int ret = -ENOMEM;
2729
2730         if (testmgr_alloc_buf(xbuf))
2731                 goto out_nobuf;
2732
2733         if (enc == ENCRYPT)
2734                 e = "encryption";
2735         else
2736                 e = "decryption";
2737
2738         j = 0;
2739         for (i = 0; i < tcount; i++) {
2740
2741                 if (fips_enabled && template[i].fips_skip)
2742                         continue;
2743
2744                 input  = enc ? template[i].ptext : template[i].ctext;
2745                 result = enc ? template[i].ctext : template[i].ptext;
2746                 j++;
2747
2748                 ret = -EINVAL;
2749                 if (WARN_ON(template[i].len > PAGE_SIZE))
2750                         goto out;
2751
2752                 data = xbuf[0];
2753                 memcpy(data, input, template[i].len);
2754
2755                 crypto_cipher_clear_flags(tfm, ~0);
2756                 if (template[i].wk)
2757                         crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2758
2759                 ret = crypto_cipher_setkey(tfm, template[i].key,
2760                                            template[i].klen);
2761                 if (ret) {
2762                         if (ret == template[i].setkey_error)
2763                                 continue;
2764                         pr_err("alg: cipher: %s setkey failed on test vector %u; expected_error=%d, actual_error=%d, flags=%#x\n",
2765                                algo, j, template[i].setkey_error, ret,
2766                                crypto_cipher_get_flags(tfm));
2767                         goto out;
2768                 }
2769                 if (template[i].setkey_error) {
2770                         pr_err("alg: cipher: %s setkey unexpectedly succeeded on test vector %u; expected_error=%d\n",
2771                                algo, j, template[i].setkey_error);
2772                         ret = -EINVAL;
2773                         goto out;
2774                 }
2775
2776                 for (k = 0; k < template[i].len;
2777                      k += crypto_cipher_blocksize(tfm)) {
2778                         if (enc)
2779                                 crypto_cipher_encrypt_one(tfm, data + k,
2780                                                           data + k);
2781                         else
2782                                 crypto_cipher_decrypt_one(tfm, data + k,
2783                                                           data + k);
2784                 }
2785
2786                 q = data;
2787                 if (memcmp(q, result, template[i].len)) {
2788                         printk(KERN_ERR "alg: cipher: Test %d failed "
2789                                "on %s for %s\n", j, e, algo);
2790                         hexdump(q, template[i].len);
2791                         ret = -EINVAL;
2792                         goto out;
2793                 }
2794         }
2795
2796         ret = 0;
2797
2798 out:
2799         testmgr_free_buf(xbuf);
2800 out_nobuf:
2801         return ret;
2802 }
2803
2804 static int test_skcipher_vec_cfg(int enc, const struct cipher_testvec *vec,
2805                                  const char *vec_name,
2806                                  const struct testvec_config *cfg,
2807                                  struct skcipher_request *req,
2808                                  struct cipher_test_sglists *tsgls)
2809 {
2810         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
2811         const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
2812         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
2813         const char *driver = crypto_skcipher_driver_name(tfm);
2814         const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
2815         const char *op = enc ? "encryption" : "decryption";
2816         DECLARE_CRYPTO_WAIT(wait);
2817         u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
2818         u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
2819                  cfg->iv_offset +
2820                  (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
2821         struct kvec input;
2822         int err;
2823
2824         /* Set the key */
2825         if (vec->wk)
2826                 crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2827         else
2828                 crypto_skcipher_clear_flags(tfm,
2829                                             CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
2830         err = do_setkey(crypto_skcipher_setkey, tfm, vec->key, vec->klen,
2831                         cfg, alignmask);
2832         if (err) {
2833                 if (err == vec->setkey_error)
2834                         return 0;
2835                 pr_err("alg: skcipher: %s setkey failed on test vector %s; expected_error=%d, actual_error=%d, flags=%#x\n",
2836                        driver, vec_name, vec->setkey_error, err,
2837                        crypto_skcipher_get_flags(tfm));
2838                 return err;
2839         }
2840         if (vec->setkey_error) {
2841                 pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %s; expected_error=%d\n",
2842                        driver, vec_name, vec->setkey_error);
2843                 return -EINVAL;
2844         }
2845
2846         /* The IV must be copied to a buffer, as the algorithm may modify it */
2847         if (ivsize) {
2848                 if (WARN_ON(ivsize > MAX_IVLEN))
2849                         return -EINVAL;
2850                 if (vec->generates_iv && !enc)
2851                         memcpy(iv, vec->iv_out, ivsize);
2852                 else if (vec->iv)
2853                         memcpy(iv, vec->iv, ivsize);
2854                 else
2855                         memset(iv, 0, ivsize);
2856         } else {
2857                 if (vec->generates_iv) {
2858                         pr_err("alg: skcipher: %s has ivsize=0 but test vector %s generates IV!\n",
2859                                driver, vec_name);
2860                         return -EINVAL;
2861                 }
2862                 iv = NULL;
2863         }
2864
2865         /* Build the src/dst scatterlists */
2866         input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
2867         input.iov_len = vec->len;
2868         err = build_cipher_test_sglists(tsgls, cfg, alignmask,
2869                                         vec->len, vec->len, &input, 1);
2870         if (err) {
2871                 pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %s, cfg=\"%s\"\n",
2872                        driver, op, vec_name, cfg->name);
2873                 return err;
2874         }
2875
2876         /* Do the actual encryption or decryption */
2877         testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
2878         skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
2879         skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
2880                                    vec->len, iv);
2881         if (cfg->nosimd)
2882                 crypto_disable_simd_for_test();
2883         err = enc ? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
2884         if (cfg->nosimd)
2885                 crypto_reenable_simd_for_test();
2886         err = crypto_wait_req(err, &wait);
2887
2888         /* Check that the algorithm didn't overwrite things it shouldn't have */
2889         if (req->cryptlen != vec->len ||
2890             req->iv != iv ||
2891             req->src != tsgls->src.sgl_ptr ||
2892             req->dst != tsgls->dst.sgl_ptr ||
2893             crypto_skcipher_reqtfm(req) != tfm ||
2894             req->base.complete != crypto_req_done ||
2895             req->base.flags != req_flags ||
2896             req->base.data != &wait) {
2897                 pr_err("alg: skcipher: %s %s corrupted request struct on test vector %s, cfg=\"%s\"\n",
2898                        driver, op, vec_name, cfg->name);
2899                 if (req->cryptlen != vec->len)
2900                         pr_err("alg: skcipher: changed 'req->cryptlen'\n");
2901                 if (req->iv != iv)
2902                         pr_err("alg: skcipher: changed 'req->iv'\n");
2903                 if (req->src != tsgls->src.sgl_ptr)
2904                         pr_err("alg: skcipher: changed 'req->src'\n");
2905                 if (req->dst != tsgls->dst.sgl_ptr)
2906                         pr_err("alg: skcipher: changed 'req->dst'\n");
2907                 if (crypto_skcipher_reqtfm(req) != tfm)
2908                         pr_err("alg: skcipher: changed 'req->base.tfm'\n");
2909                 if (req->base.complete != crypto_req_done)
2910                         pr_err("alg: skcipher: changed 'req->base.complete'\n");
2911                 if (req->base.flags != req_flags)
2912                         pr_err("alg: skcipher: changed 'req->base.flags'\n");
2913                 if (req->base.data != &wait)
2914                         pr_err("alg: skcipher: changed 'req->base.data'\n");
2915                 return -EINVAL;
2916         }
2917         if (is_test_sglist_corrupted(&tsgls->src)) {
2918                 pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %s, cfg=\"%s\"\n",
2919                        driver, op, vec_name, cfg->name);
2920                 return -EINVAL;
2921         }
2922         if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
2923             is_test_sglist_corrupted(&tsgls->dst)) {
2924                 pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %s, cfg=\"%s\"\n",
2925                        driver, op, vec_name, cfg->name);
2926                 return -EINVAL;
2927         }
2928
2929         /* Check for success or failure */
2930         if (err) {
2931                 if (err == vec->crypt_error)
2932                         return 0;
2933                 pr_err("alg: skcipher: %s %s failed on test vector %s; expected_error=%d, actual_error=%d, cfg=\"%s\"\n",
2934                        driver, op, vec_name, vec->crypt_error, err, cfg->name);
2935                 return err;
2936         }
2937         if (vec->crypt_error) {
2938                 pr_err("alg: skcipher: %s %s unexpectedly succeeded on test vector %s; expected_error=%d, cfg=\"%s\"\n",
2939                        driver, op, vec_name, vec->crypt_error, cfg->name);
2940                 return -EINVAL;
2941         }
2942
2943         /* Check for the correct output (ciphertext or plaintext) */
2944         err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
2945                                     vec->len, 0, true);
2946         if (err == -EOVERFLOW) {
2947                 pr_err("alg: skcipher: %s %s overran dst buffer on test vector %s, cfg=\"%s\"\n",
2948                        driver, op, vec_name, cfg->name);
2949                 return err;
2950         }
2951         if (err) {
2952                 pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %s, cfg=\"%s\"\n",
2953                        driver, op, vec_name, cfg->name);
2954                 return err;
2955         }
2956
2957         /* If applicable, check that the algorithm generated the correct IV */
2958         if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
2959                 pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %s, cfg=\"%s\"\n",
2960                        driver, op, vec_name, cfg->name);
2961                 hexdump(iv, ivsize);
2962                 return -EINVAL;
2963         }
2964
2965         return 0;
2966 }
2967
2968 static int test_skcipher_vec(int enc, const struct cipher_testvec *vec,
2969                              unsigned int vec_num,
2970                              struct skcipher_request *req,
2971                              struct cipher_test_sglists *tsgls)
2972 {
2973         char vec_name[16];
2974         unsigned int i;
2975         int err;
2976
2977         if (fips_enabled && vec->fips_skip)
2978                 return 0;
2979
2980         sprintf(vec_name, "%u", vec_num);
2981
2982         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
2983                 err = test_skcipher_vec_cfg(enc, vec, vec_name,
2984                                             &default_cipher_testvec_configs[i],
2985                                             req, tsgls);
2986                 if (err)
2987                         return err;
2988         }
2989
2990 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
2991         if (!noextratests) {
2992                 struct rnd_state rng;
2993                 struct testvec_config cfg;
2994                 char cfgname[TESTVEC_CONFIG_NAMELEN];
2995
2996                 init_rnd_state(&rng);
2997
2998                 for (i = 0; i < fuzz_iterations; i++) {
2999                         generate_random_testvec_config(&rng, &cfg, cfgname,
3000                                                        sizeof(cfgname));
3001                         err = test_skcipher_vec_cfg(enc, vec, vec_name,
3002                                                     &cfg, req, tsgls);
3003                         if (err)
3004                                 return err;
3005                         cond_resched();
3006                 }
3007         }
3008 #endif
3009         return 0;
3010 }
3011
3012 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3013 /*
3014  * Generate a symmetric cipher test vector from the given implementation.
3015  * Assumes the buffers in 'vec' were already allocated.
3016  */
3017 static void generate_random_cipher_testvec(struct rnd_state *rng,
3018                                            struct skcipher_request *req,
3019                                            struct cipher_testvec *vec,
3020                                            unsigned int maxdatasize,
3021                                            char *name, size_t max_namelen)
3022 {
3023         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3024         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3025         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3026         struct scatterlist src, dst;
3027         u8 iv[MAX_IVLEN];
3028         DECLARE_CRYPTO_WAIT(wait);
3029
3030         /* Key: length in [0, maxkeysize], but usually choose maxkeysize */
3031         vec->klen = maxkeysize;
3032         if (prandom_u32_below(rng, 4) == 0)
3033                 vec->klen = prandom_u32_below(rng, maxkeysize + 1);
3034         generate_random_bytes(rng, (u8 *)vec->key, vec->klen);
3035         vec->setkey_error = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
3036
3037         /* IV */
3038         generate_random_bytes(rng, (u8 *)vec->iv, ivsize);
3039
3040         /* Plaintext */
3041         vec->len = generate_random_length(rng, maxdatasize);
3042         generate_random_bytes(rng, (u8 *)vec->ptext, vec->len);
3043
3044         /* If the key couldn't be set, no need to continue to encrypt. */
3045         if (vec->setkey_error)
3046                 goto done;
3047
3048         /* Ciphertext */
3049         sg_init_one(&src, vec->ptext, vec->len);
3050         sg_init_one(&dst, vec->ctext, vec->len);
3051         memcpy(iv, vec->iv, ivsize);
3052         skcipher_request_set_callback(req, 0, crypto_req_done, &wait);
3053         skcipher_request_set_crypt(req, &src, &dst, vec->len, iv);
3054         vec->crypt_error = crypto_wait_req(crypto_skcipher_encrypt(req), &wait);
3055         if (vec->crypt_error != 0) {
3056                 /*
3057                  * The only acceptable error here is for an invalid length, so
3058                  * skcipher decryption should fail with the same error too.
3059                  * We'll test for this.  But to keep the API usage well-defined,
3060                  * explicitly initialize the ciphertext buffer too.
3061                  */
3062                 memset((u8 *)vec->ctext, 0, vec->len);
3063         }
3064 done:
3065         snprintf(name, max_namelen, "\"random: len=%u klen=%u\"",
3066                  vec->len, vec->klen);
3067 }
3068
3069 /*
3070  * Test the skcipher algorithm represented by @req against the corresponding
3071  * generic implementation, if one is available.
3072  */
3073 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3074                                          struct skcipher_request *req,
3075                                          struct cipher_test_sglists *tsgls)
3076 {
3077         struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
3078         const unsigned int maxkeysize = crypto_skcipher_max_keysize(tfm);
3079         const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
3080         const unsigned int blocksize = crypto_skcipher_blocksize(tfm);
3081         const unsigned int maxdatasize = (2 * PAGE_SIZE) - TESTMGR_POISON_LEN;
3082         const char *algname = crypto_skcipher_alg(tfm)->base.cra_name;
3083         const char *driver = crypto_skcipher_driver_name(tfm);
3084         struct rnd_state rng;
3085         char _generic_driver[CRYPTO_MAX_ALG_NAME];
3086         struct crypto_skcipher *generic_tfm = NULL;
3087         struct skcipher_request *generic_req = NULL;
3088         unsigned int i;
3089         struct cipher_testvec vec = { 0 };
3090         char vec_name[64];
3091         struct testvec_config *cfg;
3092         char cfgname[TESTVEC_CONFIG_NAMELEN];
3093         int err;
3094
3095         if (noextratests)
3096                 return 0;
3097
3098         /* Keywrap isn't supported here yet as it handles its IV differently. */
3099         if (strncmp(algname, "kw(", 3) == 0)
3100                 return 0;
3101
3102         init_rnd_state(&rng);
3103
3104         if (!generic_driver) { /* Use default naming convention? */
3105                 err = build_generic_driver_name(algname, _generic_driver);
3106                 if (err)
3107                         return err;
3108                 generic_driver = _generic_driver;
3109         }
3110
3111         if (strcmp(generic_driver, driver) == 0) /* Already the generic impl? */
3112                 return 0;
3113
3114         generic_tfm = crypto_alloc_skcipher(generic_driver, 0, 0);
3115         if (IS_ERR(generic_tfm)) {
3116                 err = PTR_ERR(generic_tfm);
3117                 if (err == -ENOENT) {
3118                         pr_warn("alg: skcipher: skipping comparison tests for %s because %s is unavailable\n",
3119                                 driver, generic_driver);
3120                         return 0;
3121                 }
3122                 pr_err("alg: skcipher: error allocating %s (generic impl of %s): %d\n",
3123                        generic_driver, algname, err);
3124                 return err;
3125         }
3126
3127         cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
3128         if (!cfg) {
3129                 err = -ENOMEM;
3130                 goto out;
3131         }
3132
3133         generic_req = skcipher_request_alloc(generic_tfm, GFP_KERNEL);
3134         if (!generic_req) {
3135                 err = -ENOMEM;
3136                 goto out;
3137         }
3138
3139         /* Check the algorithm properties for consistency. */
3140
3141         if (crypto_skcipher_min_keysize(tfm) !=
3142             crypto_skcipher_min_keysize(generic_tfm)) {
3143                 pr_err("alg: skcipher: min keysize for %s (%u) doesn't match generic impl (%u)\n",
3144                        driver, crypto_skcipher_min_keysize(tfm),
3145                        crypto_skcipher_min_keysize(generic_tfm));
3146                 err = -EINVAL;
3147                 goto out;
3148         }
3149
3150         if (maxkeysize != crypto_skcipher_max_keysize(generic_tfm)) {
3151                 pr_err("alg: skcipher: max keysize for %s (%u) doesn't match generic impl (%u)\n",
3152                        driver, maxkeysize,
3153                        crypto_skcipher_max_keysize(generic_tfm));
3154                 err = -EINVAL;
3155                 goto out;
3156         }
3157
3158         if (ivsize != crypto_skcipher_ivsize(generic_tfm)) {
3159                 pr_err("alg: skcipher: ivsize for %s (%u) doesn't match generic impl (%u)\n",
3160                        driver, ivsize, crypto_skcipher_ivsize(generic_tfm));
3161                 err = -EINVAL;
3162                 goto out;
3163         }
3164
3165         if (blocksize != crypto_skcipher_blocksize(generic_tfm)) {
3166                 pr_err("alg: skcipher: blocksize for %s (%u) doesn't match generic impl (%u)\n",
3167                        driver, blocksize,
3168                        crypto_skcipher_blocksize(generic_tfm));
3169                 err = -EINVAL;
3170                 goto out;
3171         }
3172
3173         /*
3174          * Now generate test vectors using the generic implementation, and test
3175          * the other implementation against them.
3176          */
3177
3178         vec.key = kmalloc(maxkeysize, GFP_KERNEL);
3179         vec.iv = kmalloc(ivsize, GFP_KERNEL);
3180         vec.ptext = kmalloc(maxdatasize, GFP_KERNEL);
3181         vec.ctext = kmalloc(maxdatasize, GFP_KERNEL);
3182         if (!vec.key || !vec.iv || !vec.ptext || !vec.ctext) {
3183                 err = -ENOMEM;
3184                 goto out;
3185         }
3186
3187         for (i = 0; i < fuzz_iterations * 8; i++) {
3188                 generate_random_cipher_testvec(&rng, generic_req, &vec,
3189                                                maxdatasize,
3190                                                vec_name, sizeof(vec_name));
3191                 generate_random_testvec_config(&rng, cfg, cfgname,
3192                                                sizeof(cfgname));
3193
3194                 err = test_skcipher_vec_cfg(ENCRYPT, &vec, vec_name,
3195                                             cfg, req, tsgls);
3196                 if (err)
3197                         goto out;
3198                 err = test_skcipher_vec_cfg(DECRYPT, &vec, vec_name,
3199                                             cfg, req, tsgls);
3200                 if (err)
3201                         goto out;
3202                 cond_resched();
3203         }
3204         err = 0;
3205 out:
3206         kfree(cfg);
3207         kfree(vec.key);
3208         kfree(vec.iv);
3209         kfree(vec.ptext);
3210         kfree(vec.ctext);
3211         crypto_free_skcipher(generic_tfm);
3212         skcipher_request_free(generic_req);
3213         return err;
3214 }
3215 #else /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3216 static int test_skcipher_vs_generic_impl(const char *generic_driver,
3217                                          struct skcipher_request *req,
3218                                          struct cipher_test_sglists *tsgls)
3219 {
3220         return 0;
3221 }
3222 #endif /* !CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
3223
3224 static int test_skcipher(int enc, const struct cipher_test_suite *suite,
3225                          struct skcipher_request *req,
3226                          struct cipher_test_sglists *tsgls)
3227 {
3228         unsigned int i;
3229         int err;
3230
3231         for (i = 0; i < suite->count; i++) {
3232                 err = test_skcipher_vec(enc, &suite->vecs[i], i, req, tsgls);
3233                 if (err)
3234                         return err;
3235                 cond_resched();
3236         }
3237         return 0;
3238 }
3239
3240 static int alg_test_skcipher(const struct alg_test_desc *desc,
3241                              const char *driver, u32 type, u32 mask)
3242 {
3243         const struct cipher_test_suite *suite = &desc->suite.cipher;
3244         struct crypto_skcipher *tfm;
3245         struct skcipher_request *req = NULL;
3246         struct cipher_test_sglists *tsgls = NULL;
3247         int err;
3248
3249         if (suite->count <= 0) {
3250                 pr_err("alg: skcipher: empty test suite for %s\n", driver);
3251                 return -EINVAL;
3252         }
3253
3254         tfm = crypto_alloc_skcipher(driver, type, mask);
3255         if (IS_ERR(tfm)) {
3256                 pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
3257                        driver, PTR_ERR(tfm));
3258                 return PTR_ERR(tfm);
3259         }
3260         driver = crypto_skcipher_driver_name(tfm);
3261
3262         req = skcipher_request_alloc(tfm, GFP_KERNEL);
3263         if (!req) {
3264                 pr_err("alg: skcipher: failed to allocate request for %s\n",
3265                        driver);
3266                 err = -ENOMEM;
3267                 goto out;
3268         }
3269
3270         tsgls = alloc_cipher_test_sglists();
3271         if (!tsgls) {
3272                 pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
3273                        driver);
3274                 err = -ENOMEM;
3275                 goto out;
3276         }
3277
3278         err = test_skcipher(ENCRYPT, suite, req, tsgls);
3279         if (err)
3280                 goto out;
3281
3282         err = test_skcipher(DECRYPT, suite, req, tsgls);
3283         if (err)
3284                 goto out;
3285
3286         err = test_skcipher_vs_generic_impl(desc->generic_driver, req, tsgls);
3287 out:
3288         free_cipher_test_sglists(tsgls);
3289         skcipher_request_free(req);
3290         crypto_free_skcipher(tfm);
3291         return err;
3292 }
3293
3294 static int test_comp(struct crypto_comp *tfm,
3295                      const struct comp_testvec *ctemplate,
3296                      const struct comp_testvec *dtemplate,
3297                      int ctcount, int dtcount)
3298 {
3299         const char *algo = crypto_tfm_alg_driver_name(crypto_comp_tfm(tfm));
3300         char *output, *decomp_output;
3301         unsigned int i;
3302         int ret;
3303
3304         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3305         if (!output)
3306                 return -ENOMEM;
3307
3308         decomp_output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3309         if (!decomp_output) {
3310                 kfree(output);
3311                 return -ENOMEM;
3312         }
3313
3314         for (i = 0; i < ctcount; i++) {
3315                 int ilen;
3316                 unsigned int dlen = COMP_BUF_SIZE;
3317
3318                 memset(output, 0, COMP_BUF_SIZE);
3319                 memset(decomp_output, 0, COMP_BUF_SIZE);
3320
3321                 ilen = ctemplate[i].inlen;
3322                 ret = crypto_comp_compress(tfm, ctemplate[i].input,
3323                                            ilen, output, &dlen);
3324                 if (ret) {
3325                         printk(KERN_ERR "alg: comp: compression failed "
3326                                "on test %d for %s: ret=%d\n", i + 1, algo,
3327                                -ret);
3328                         goto out;
3329                 }
3330
3331                 ilen = dlen;
3332                 dlen = COMP_BUF_SIZE;
3333                 ret = crypto_comp_decompress(tfm, output,
3334                                              ilen, decomp_output, &dlen);
3335                 if (ret) {
3336                         pr_err("alg: comp: compression failed: decompress: on test %d for %s failed: ret=%d\n",
3337                                i + 1, algo, -ret);
3338                         goto out;
3339                 }
3340
3341                 if (dlen != ctemplate[i].inlen) {
3342                         printk(KERN_ERR "alg: comp: Compression test %d "
3343                                "failed for %s: output len = %d\n", i + 1, algo,
3344                                dlen);
3345                         ret = -EINVAL;
3346                         goto out;
3347                 }
3348
3349                 if (memcmp(decomp_output, ctemplate[i].input,
3350                            ctemplate[i].inlen)) {
3351                         pr_err("alg: comp: compression failed: output differs: on test %d for %s\n",
3352                                i + 1, algo);
3353                         hexdump(decomp_output, dlen);
3354                         ret = -EINVAL;
3355                         goto out;
3356                 }
3357         }
3358
3359         for (i = 0; i < dtcount; i++) {
3360                 int ilen;
3361                 unsigned int dlen = COMP_BUF_SIZE;
3362
3363                 memset(decomp_output, 0, COMP_BUF_SIZE);
3364
3365                 ilen = dtemplate[i].inlen;
3366                 ret = crypto_comp_decompress(tfm, dtemplate[i].input,
3367                                              ilen, decomp_output, &dlen);
3368                 if (ret) {
3369                         printk(KERN_ERR "alg: comp: decompression failed "
3370                                "on test %d for %s: ret=%d\n", i + 1, algo,
3371                                -ret);
3372                         goto out;
3373                 }
3374
3375                 if (dlen != dtemplate[i].outlen) {
3376                         printk(KERN_ERR "alg: comp: Decompression test %d "
3377                                "failed for %s: output len = %d\n", i + 1, algo,
3378                                dlen);
3379                         ret = -EINVAL;
3380                         goto out;
3381                 }
3382
3383                 if (memcmp(decomp_output, dtemplate[i].output, dlen)) {
3384                         printk(KERN_ERR "alg: comp: Decompression test %d "
3385                                "failed for %s\n", i + 1, algo);
3386                         hexdump(decomp_output, dlen);
3387                         ret = -EINVAL;
3388                         goto out;
3389                 }
3390         }
3391
3392         ret = 0;
3393
3394 out:
3395         kfree(decomp_output);
3396         kfree(output);
3397         return ret;
3398 }
3399
3400 static int test_acomp(struct crypto_acomp *tfm,
3401                       const struct comp_testvec *ctemplate,
3402                       const struct comp_testvec *dtemplate,
3403                       int ctcount, int dtcount)
3404 {
3405         const char *algo = crypto_tfm_alg_driver_name(crypto_acomp_tfm(tfm));
3406         unsigned int i;
3407         char *output, *decomp_out;
3408         int ret;
3409         struct scatterlist src, dst;
3410         struct acomp_req *req;
3411         struct crypto_wait wait;
3412
3413         output = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3414         if (!output)
3415                 return -ENOMEM;
3416
3417         decomp_out = kmalloc(COMP_BUF_SIZE, GFP_KERNEL);
3418         if (!decomp_out) {
3419                 kfree(output);
3420                 return -ENOMEM;
3421         }
3422
3423         for (i = 0; i < ctcount; i++) {
3424                 unsigned int dlen = COMP_BUF_SIZE;
3425                 int ilen = ctemplate[i].inlen;
3426                 void *input_vec;
3427
3428                 input_vec = kmemdup(ctemplate[i].input, ilen, GFP_KERNEL);
3429                 if (!input_vec) {
3430                         ret = -ENOMEM;
3431                         goto out;
3432                 }
3433
3434                 memset(output, 0, dlen);
3435                 crypto_init_wait(&wait);
3436                 sg_init_one(&src, input_vec, ilen);
3437                 sg_init_one(&dst, output, dlen);
3438
3439                 req = acomp_request_alloc(tfm);
3440                 if (!req) {
3441                         pr_err("alg: acomp: request alloc failed for %s\n",
3442                                algo);
3443                         kfree(input_vec);
3444                         ret = -ENOMEM;
3445                         goto out;
3446                 }
3447
3448                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3449                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3450                                            crypto_req_done, &wait);
3451
3452                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3453                 if (ret) {
3454                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3455                                i + 1, algo, -ret);
3456                         kfree(input_vec);
3457                         acomp_request_free(req);
3458                         goto out;
3459                 }
3460
3461                 ilen = req->dlen;
3462                 dlen = COMP_BUF_SIZE;
3463                 sg_init_one(&src, output, ilen);
3464                 sg_init_one(&dst, decomp_out, dlen);
3465                 crypto_init_wait(&wait);
3466                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3467
3468                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3469                 if (ret) {
3470                         pr_err("alg: acomp: compression failed on test %d for %s: ret=%d\n",
3471                                i + 1, algo, -ret);
3472                         kfree(input_vec);
3473                         acomp_request_free(req);
3474                         goto out;
3475                 }
3476
3477                 if (req->dlen != ctemplate[i].inlen) {
3478                         pr_err("alg: acomp: Compression test %d failed for %s: output len = %d\n",
3479                                i + 1, algo, req->dlen);
3480                         ret = -EINVAL;
3481                         kfree(input_vec);
3482                         acomp_request_free(req);
3483                         goto out;
3484                 }
3485
3486                 if (memcmp(input_vec, decomp_out, req->dlen)) {
3487                         pr_err("alg: acomp: Compression test %d failed for %s\n",
3488                                i + 1, algo);
3489                         hexdump(output, req->dlen);
3490                         ret = -EINVAL;
3491                         kfree(input_vec);
3492                         acomp_request_free(req);
3493                         goto out;
3494                 }
3495
3496 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3497                 crypto_init_wait(&wait);
3498                 sg_init_one(&src, input_vec, ilen);
3499                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3500
3501                 ret = crypto_wait_req(crypto_acomp_compress(req), &wait);
3502                 if (ret) {
3503                         pr_err("alg: acomp: compression failed on NULL dst buffer test %d for %s: ret=%d\n",
3504                                i + 1, algo, -ret);
3505                         kfree(input_vec);
3506                         acomp_request_free(req);
3507                         goto out;
3508                 }
3509 #endif
3510
3511                 kfree(input_vec);
3512                 acomp_request_free(req);
3513         }
3514
3515         for (i = 0; i < dtcount; i++) {
3516                 unsigned int dlen = COMP_BUF_SIZE;
3517                 int ilen = dtemplate[i].inlen;
3518                 void *input_vec;
3519
3520                 input_vec = kmemdup(dtemplate[i].input, ilen, GFP_KERNEL);
3521                 if (!input_vec) {
3522                         ret = -ENOMEM;
3523                         goto out;
3524                 }
3525
3526                 memset(output, 0, dlen);
3527                 crypto_init_wait(&wait);
3528                 sg_init_one(&src, input_vec, ilen);
3529                 sg_init_one(&dst, output, dlen);
3530
3531                 req = acomp_request_alloc(tfm);
3532                 if (!req) {
3533                         pr_err("alg: acomp: request alloc failed for %s\n",
3534                                algo);
3535                         kfree(input_vec);
3536                         ret = -ENOMEM;
3537                         goto out;
3538                 }
3539
3540                 acomp_request_set_params(req, &src, &dst, ilen, dlen);
3541                 acomp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3542                                            crypto_req_done, &wait);
3543
3544                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3545                 if (ret) {
3546                         pr_err("alg: acomp: decompression failed on test %d for %s: ret=%d\n",
3547                                i + 1, algo, -ret);
3548                         kfree(input_vec);
3549                         acomp_request_free(req);
3550                         goto out;
3551                 }
3552
3553                 if (req->dlen != dtemplate[i].outlen) {
3554                         pr_err("alg: acomp: Decompression test %d failed for %s: output len = %d\n",
3555                                i + 1, algo, req->dlen);
3556                         ret = -EINVAL;
3557                         kfree(input_vec);
3558                         acomp_request_free(req);
3559                         goto out;
3560                 }
3561
3562                 if (memcmp(output, dtemplate[i].output, req->dlen)) {
3563                         pr_err("alg: acomp: Decompression test %d failed for %s\n",
3564                                i + 1, algo);
3565                         hexdump(output, req->dlen);
3566                         ret = -EINVAL;
3567                         kfree(input_vec);
3568                         acomp_request_free(req);
3569                         goto out;
3570                 }
3571
3572 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
3573                 crypto_init_wait(&wait);
3574                 acomp_request_set_params(req, &src, NULL, ilen, 0);
3575
3576                 ret = crypto_wait_req(crypto_acomp_decompress(req), &wait);
3577                 if (ret) {
3578                         pr_err("alg: acomp: decompression failed on NULL dst buffer test %d for %s: ret=%d\n",
3579                                i + 1, algo, -ret);
3580                         kfree(input_vec);
3581                         acomp_request_free(req);
3582                         goto out;
3583                 }
3584 #endif
3585
3586                 kfree(input_vec);
3587                 acomp_request_free(req);
3588         }
3589
3590         ret = 0;
3591
3592 out:
3593         kfree(decomp_out);
3594         kfree(output);
3595         return ret;
3596 }
3597
3598 static int test_cprng(struct crypto_rng *tfm,
3599                       const struct cprng_testvec *template,
3600                       unsigned int tcount)
3601 {
3602         const char *algo = crypto_tfm_alg_driver_name(crypto_rng_tfm(tfm));
3603         int err = 0, i, j, seedsize;
3604         u8 *seed;
3605         char result[32];
3606
3607         seedsize = crypto_rng_seedsize(tfm);
3608
3609         seed = kmalloc(seedsize, GFP_KERNEL);
3610         if (!seed) {
3611                 printk(KERN_ERR "alg: cprng: Failed to allocate seed space "
3612                        "for %s\n", algo);
3613                 return -ENOMEM;
3614         }
3615
3616         for (i = 0; i < tcount; i++) {
3617                 memset(result, 0, 32);
3618
3619                 memcpy(seed, template[i].v, template[i].vlen);
3620                 memcpy(seed + template[i].vlen, template[i].key,
3621                        template[i].klen);
3622                 memcpy(seed + template[i].vlen + template[i].klen,
3623                        template[i].dt, template[i].dtlen);
3624
3625                 err = crypto_rng_reset(tfm, seed, seedsize);
3626                 if (err) {
3627                         printk(KERN_ERR "alg: cprng: Failed to reset rng "
3628                                "for %s\n", algo);
3629                         goto out;
3630                 }
3631
3632                 for (j = 0; j < template[i].loops; j++) {
3633                         err = crypto_rng_get_bytes(tfm, result,
3634                                                    template[i].rlen);
3635                         if (err < 0) {
3636                                 printk(KERN_ERR "alg: cprng: Failed to obtain "
3637                                        "the correct amount of random data for "
3638                                        "%s (requested %d)\n", algo,
3639                                        template[i].rlen);
3640                                 goto out;
3641                         }
3642                 }
3643
3644                 err = memcmp(result, template[i].result,
3645                              template[i].rlen);
3646                 if (err) {
3647                         printk(KERN_ERR "alg: cprng: Test %d failed for %s\n",
3648                                i, algo);
3649                         hexdump(result, template[i].rlen);
3650                         err = -EINVAL;
3651                         goto out;
3652                 }
3653         }
3654
3655 out:
3656         kfree(seed);
3657         return err;
3658 }
3659
3660 static int alg_test_cipher(const struct alg_test_desc *desc,
3661                            const char *driver, u32 type, u32 mask)
3662 {
3663         const struct cipher_test_suite *suite = &desc->suite.cipher;
3664         struct crypto_cipher *tfm;
3665         int err;
3666
3667         tfm = crypto_alloc_cipher(driver, type, mask);
3668         if (IS_ERR(tfm)) {
3669                 printk(KERN_ERR "alg: cipher: Failed to load transform for "
3670                        "%s: %ld\n", driver, PTR_ERR(tfm));
3671                 return PTR_ERR(tfm);
3672         }
3673
3674         err = test_cipher(tfm, ENCRYPT, suite->vecs, suite->count);
3675         if (!err)
3676                 err = test_cipher(tfm, DECRYPT, suite->vecs, suite->count);
3677
3678         crypto_free_cipher(tfm);
3679         return err;
3680 }
3681
3682 static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
3683                          u32 type, u32 mask)
3684 {
3685         struct crypto_comp *comp;
3686         struct crypto_acomp *acomp;
3687         int err;
3688         u32 algo_type = type & CRYPTO_ALG_TYPE_ACOMPRESS_MASK;
3689
3690         if (algo_type == CRYPTO_ALG_TYPE_ACOMPRESS) {
3691                 acomp = crypto_alloc_acomp(driver, type, mask);
3692                 if (IS_ERR(acomp)) {
3693                         pr_err("alg: acomp: Failed to load transform for %s: %ld\n",
3694                                driver, PTR_ERR(acomp));
3695                         return PTR_ERR(acomp);
3696                 }
3697                 err = test_acomp(acomp, desc->suite.comp.comp.vecs,
3698                                  desc->suite.comp.decomp.vecs,
3699                                  desc->suite.comp.comp.count,
3700                                  desc->suite.comp.decomp.count);
3701                 crypto_free_acomp(acomp);
3702         } else {
3703                 comp = crypto_alloc_comp(driver, type, mask);
3704                 if (IS_ERR(comp)) {
3705                         pr_err("alg: comp: Failed to load transform for %s: %ld\n",
3706                                driver, PTR_ERR(comp));
3707                         return PTR_ERR(comp);
3708                 }
3709
3710                 err = test_comp(comp, desc->suite.comp.comp.vecs,
3711                                 desc->suite.comp.decomp.vecs,
3712                                 desc->suite.comp.comp.count,
3713                                 desc->suite.comp.decomp.count);
3714
3715                 crypto_free_comp(comp);
3716         }
3717         return err;
3718 }
3719
3720 static int alg_test_crc32c(const struct alg_test_desc *desc,
3721                            const char *driver, u32 type, u32 mask)
3722 {
3723         struct crypto_shash *tfm;
3724         __le32 val;
3725         int err;
3726
3727         err = alg_test_hash(desc, driver, type, mask);
3728         if (err)
3729                 return err;
3730
3731         tfm = crypto_alloc_shash(driver, type, mask);
3732         if (IS_ERR(tfm)) {
3733                 if (PTR_ERR(tfm) == -ENOENT) {
3734                         /*
3735                          * This crc32c implementation is only available through
3736                          * ahash API, not the shash API, so the remaining part
3737                          * of the test is not applicable to it.
3738                          */
3739                         return 0;
3740                 }
3741                 printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
3742                        "%ld\n", driver, PTR_ERR(tfm));
3743                 return PTR_ERR(tfm);
3744         }
3745         driver = crypto_shash_driver_name(tfm);
3746
3747         do {
3748                 SHASH_DESC_ON_STACK(shash, tfm);
3749                 u32 *ctx = (u32 *)shash_desc_ctx(shash);
3750
3751                 shash->tfm = tfm;
3752
3753                 *ctx = 420553207;
3754                 err = crypto_shash_final(shash, (u8 *)&val);
3755                 if (err) {
3756                         printk(KERN_ERR "alg: crc32c: Operation failed for "
3757                                "%s: %d\n", driver, err);
3758                         break;
3759                 }
3760
3761                 if (val != cpu_to_le32(~420553207)) {
3762                         pr_err("alg: crc32c: Test failed for %s: %u\n",
3763                                driver, le32_to_cpu(val));
3764                         err = -EINVAL;
3765                 }
3766         } while (0);
3767
3768         crypto_free_shash(tfm);
3769
3770         return err;
3771 }
3772
3773 static int alg_test_cprng(const struct alg_test_desc *desc, const char *driver,
3774                           u32 type, u32 mask)
3775 {
3776         struct crypto_rng *rng;
3777         int err;
3778
3779         rng = crypto_alloc_rng(driver, type, mask);
3780         if (IS_ERR(rng)) {
3781                 printk(KERN_ERR "alg: cprng: Failed to load transform for %s: "
3782                        "%ld\n", driver, PTR_ERR(rng));
3783                 return PTR_ERR(rng);
3784         }
3785
3786         err = test_cprng(rng, desc->suite.cprng.vecs, desc->suite.cprng.count);
3787
3788         crypto_free_rng(rng);
3789
3790         return err;
3791 }
3792
3793
3794 static int drbg_cavs_test(const struct drbg_testvec *test, int pr,
3795                           const char *driver, u32 type, u32 mask)
3796 {
3797         int ret = -EAGAIN;
3798         struct crypto_rng *drng;
3799         struct drbg_test_data test_data;
3800         struct drbg_string addtl, pers, testentropy;
3801         unsigned char *buf = kzalloc(test->expectedlen, GFP_KERNEL);
3802
3803         if (!buf)
3804                 return -ENOMEM;
3805
3806         drng = crypto_alloc_rng(driver, type, mask);
3807         if (IS_ERR(drng)) {
3808                 printk(KERN_ERR "alg: drbg: could not allocate DRNG handle for "
3809                        "%s\n", driver);
3810                 kfree_sensitive(buf);
3811                 return -ENOMEM;
3812         }
3813
3814         test_data.testentropy = &testentropy;
3815         drbg_string_fill(&testentropy, test->entropy, test->entropylen);
3816         drbg_string_fill(&pers, test->pers, test->perslen);
3817         ret = crypto_drbg_reset_test(drng, &pers, &test_data);
3818         if (ret) {
3819                 printk(KERN_ERR "alg: drbg: Failed to reset rng\n");
3820                 goto outbuf;
3821         }
3822
3823         drbg_string_fill(&addtl, test->addtla, test->addtllen);
3824         if (pr) {
3825                 drbg_string_fill(&testentropy, test->entpra, test->entprlen);
3826                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3827                         buf, test->expectedlen, &addtl, &test_data);
3828         } else {
3829                 ret = crypto_drbg_get_bytes_addtl(drng,
3830                         buf, test->expectedlen, &addtl);
3831         }
3832         if (ret < 0) {
3833                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3834                        "driver %s\n", driver);
3835                 goto outbuf;
3836         }
3837
3838         drbg_string_fill(&addtl, test->addtlb, test->addtllen);
3839         if (pr) {
3840                 drbg_string_fill(&testentropy, test->entprb, test->entprlen);
3841                 ret = crypto_drbg_get_bytes_addtl_test(drng,
3842                         buf, test->expectedlen, &addtl, &test_data);
3843         } else {
3844                 ret = crypto_drbg_get_bytes_addtl(drng,
3845                         buf, test->expectedlen, &addtl);
3846         }
3847         if (ret < 0) {
3848                 printk(KERN_ERR "alg: drbg: could not obtain random data for "
3849                        "driver %s\n", driver);
3850                 goto outbuf;
3851         }
3852
3853         ret = memcmp(test->expected, buf, test->expectedlen);
3854
3855 outbuf:
3856         crypto_free_rng(drng);
3857         kfree_sensitive(buf);
3858         return ret;
3859 }
3860
3861
3862 static int alg_test_drbg(const struct alg_test_desc *desc, const char *driver,
3863                          u32 type, u32 mask)
3864 {
3865         int err = 0;
3866         int pr = 0;
3867         int i = 0;
3868         const struct drbg_testvec *template = desc->suite.drbg.vecs;
3869         unsigned int tcount = desc->suite.drbg.count;
3870
3871         if (0 == memcmp(driver, "drbg_pr_", 8))
3872                 pr = 1;
3873
3874         for (i = 0; i < tcount; i++) {
3875                 err = drbg_cavs_test(&template[i], pr, driver, type, mask);
3876                 if (err) {
3877                         printk(KERN_ERR "alg: drbg: Test %d failed for %s\n",
3878                                i, driver);
3879                         err = -EINVAL;
3880                         break;
3881                 }
3882         }
3883         return err;
3884
3885 }
3886
3887 static int do_test_kpp(struct crypto_kpp *tfm, const struct kpp_testvec *vec,
3888                        const char *alg)
3889 {
3890         struct kpp_request *req;
3891         void *input_buf = NULL;
3892         void *output_buf = NULL;
3893         void *a_public = NULL;
3894         void *a_ss = NULL;
3895         void *shared_secret = NULL;
3896         struct crypto_wait wait;
3897         unsigned int out_len_max;
3898         int err = -ENOMEM;
3899         struct scatterlist src, dst;
3900
3901         req = kpp_request_alloc(tfm, GFP_KERNEL);
3902         if (!req)
3903                 return err;
3904
3905         crypto_init_wait(&wait);
3906
3907         err = crypto_kpp_set_secret(tfm, vec->secret, vec->secret_size);
3908         if (err < 0)
3909                 goto free_req;
3910
3911         out_len_max = crypto_kpp_maxsize(tfm);
3912         output_buf = kzalloc(out_len_max, GFP_KERNEL);
3913         if (!output_buf) {
3914                 err = -ENOMEM;
3915                 goto free_req;
3916         }
3917
3918         /* Use appropriate parameter as base */
3919         kpp_request_set_input(req, NULL, 0);
3920         sg_init_one(&dst, output_buf, out_len_max);
3921         kpp_request_set_output(req, &dst, out_len_max);
3922         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3923                                  crypto_req_done, &wait);
3924
3925         /* Compute party A's public key */
3926         err = crypto_wait_req(crypto_kpp_generate_public_key(req), &wait);
3927         if (err) {
3928                 pr_err("alg: %s: Party A: generate public key test failed. err %d\n",
3929                        alg, err);
3930                 goto free_output;
3931         }
3932
3933         if (vec->genkey) {
3934                 /* Save party A's public key */
3935                 a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
3936                 if (!a_public) {
3937                         err = -ENOMEM;
3938                         goto free_output;
3939                 }
3940         } else {
3941                 /* Verify calculated public key */
3942                 if (memcmp(vec->expected_a_public, sg_virt(req->dst),
3943                            vec->expected_a_public_size)) {
3944                         pr_err("alg: %s: Party A: generate public key test failed. Invalid output\n",
3945                                alg);
3946                         err = -EINVAL;
3947                         goto free_output;
3948                 }
3949         }
3950
3951         /* Calculate shared secret key by using counter part (b) public key. */
3952         input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
3953         if (!input_buf) {
3954                 err = -ENOMEM;
3955                 goto free_output;
3956         }
3957
3958         sg_init_one(&src, input_buf, vec->b_public_size);
3959         sg_init_one(&dst, output_buf, out_len_max);
3960         kpp_request_set_input(req, &src, vec->b_public_size);
3961         kpp_request_set_output(req, &dst, out_len_max);
3962         kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3963                                  crypto_req_done, &wait);
3964         err = crypto_wait_req(crypto_kpp_compute_shared_secret(req), &wait);
3965         if (err) {
3966                 pr_err("alg: %s: Party A: compute shared secret test failed. err %d\n",
3967                        alg, err);
3968                 goto free_all;
3969         }
3970
3971         if (vec->genkey) {
3972                 /* Save the shared secret obtained by party A */
3973                 a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
3974                 if (!a_ss) {
3975                         err = -ENOMEM;
3976                         goto free_all;
3977                 }
3978
3979                 /*
3980                  * Calculate party B's shared secret by using party A's
3981                  * public key.
3982                  */
3983                 err = crypto_kpp_set_secret(tfm, vec->b_secret,
3984                                             vec->b_secret_size);
3985                 if (err < 0)
3986                         goto free_all;
3987
3988                 sg_init_one(&src, a_public, vec->expected_a_public_size);
3989                 sg_init_one(&dst, output_buf, out_len_max);
3990                 kpp_request_set_input(req, &src, vec->expected_a_public_size);
3991                 kpp_request_set_output(req, &dst, out_len_max);
3992                 kpp_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
3993                                          crypto_req_done, &wait);
3994                 err = crypto_wait_req(crypto_kpp_compute_shared_secret(req),
3995                                       &wait);
3996                 if (err) {
3997                         pr_err("alg: %s: Party B: compute shared secret failed. err %d\n",
3998                                alg, err);
3999                         goto free_all;
4000                 }
4001
4002                 shared_secret = a_ss;
4003         } else {
4004                 shared_secret = (void *)vec->expected_ss;
4005         }
4006
4007         /*
4008          * verify shared secret from which the user will derive
4009          * secret key by executing whatever hash it has chosen
4010          */
4011         if (memcmp(shared_secret, sg_virt(req->dst),
4012                    vec->expected_ss_size)) {
4013                 pr_err("alg: %s: compute shared secret test failed. Invalid output\n",
4014                        alg);
4015                 err = -EINVAL;
4016         }
4017
4018 free_all:
4019         kfree(a_ss);
4020         kfree(input_buf);
4021 free_output:
4022         kfree(a_public);
4023         kfree(output_buf);
4024 free_req:
4025         kpp_request_free(req);
4026         return err;
4027 }
4028
4029 static int test_kpp(struct crypto_kpp *tfm, const char *alg,
4030                     const struct kpp_testvec *vecs, unsigned int tcount)
4031 {
4032         int ret, i;
4033
4034         for (i = 0; i < tcount; i++) {
4035                 ret = do_test_kpp(tfm, vecs++, alg);
4036                 if (ret) {
4037                         pr_err("alg: %s: test failed on vector %d, err=%d\n",
4038                                alg, i + 1, ret);
4039                         return ret;
4040                 }
4041         }
4042         return 0;
4043 }
4044
4045 static int alg_test_kpp(const struct alg_test_desc *desc, const char *driver,
4046                         u32 type, u32 mask)
4047 {
4048         struct crypto_kpp *tfm;
4049         int err = 0;
4050
4051         tfm = crypto_alloc_kpp(driver, type, mask);
4052         if (IS_ERR(tfm)) {
4053                 pr_err("alg: kpp: Failed to load tfm for %s: %ld\n",
4054                        driver, PTR_ERR(tfm));
4055                 return PTR_ERR(tfm);
4056         }
4057         if (desc->suite.kpp.vecs)
4058                 err = test_kpp(tfm, desc->alg, desc->suite.kpp.vecs,
4059                                desc->suite.kpp.count);
4060
4061         crypto_free_kpp(tfm);
4062         return err;
4063 }
4064
4065 static u8 *test_pack_u32(u8 *dst, u32 val)
4066 {
4067         memcpy(dst, &val, sizeof(val));
4068         return dst + sizeof(val);
4069 }
4070
4071 static int test_akcipher_one(struct crypto_akcipher *tfm,
4072                              const struct akcipher_testvec *vecs)
4073 {
4074         char *xbuf[XBUFSIZE];
4075         struct akcipher_request *req;
4076         void *outbuf_enc = NULL;
4077         void *outbuf_dec = NULL;
4078         struct crypto_wait wait;
4079         unsigned int out_len_max, out_len = 0;
4080         int err = -ENOMEM;
4081         struct scatterlist src, dst, src_tab[3];
4082         const char *m, *c;
4083         unsigned int m_size, c_size;
4084         const char *op;
4085         u8 *key, *ptr;
4086
4087         if (testmgr_alloc_buf(xbuf))
4088                 return err;
4089
4090         req = akcipher_request_alloc(tfm, GFP_KERNEL);
4091         if (!req)
4092                 goto free_xbuf;
4093
4094         crypto_init_wait(&wait);
4095
4096         key = kmalloc(vecs->key_len + sizeof(u32) * 2 + vecs->param_len,
4097                       GFP_KERNEL);
4098         if (!key)
4099                 goto free_req;
4100         memcpy(key, vecs->key, vecs->key_len);
4101         ptr = key + vecs->key_len;
4102         ptr = test_pack_u32(ptr, vecs->algo);
4103         ptr = test_pack_u32(ptr, vecs->param_len);
4104         memcpy(ptr, vecs->params, vecs->param_len);
4105
4106         if (vecs->public_key_vec)
4107                 err = crypto_akcipher_set_pub_key(tfm, key, vecs->key_len);
4108         else
4109                 err = crypto_akcipher_set_priv_key(tfm, key, vecs->key_len);
4110         if (err)
4111                 goto free_key;
4112
4113         /*
4114          * First run test which do not require a private key, such as
4115          * encrypt or verify.
4116          */
4117         err = -ENOMEM;
4118         out_len_max = crypto_akcipher_maxsize(tfm);
4119         outbuf_enc = kzalloc(out_len_max, GFP_KERNEL);
4120         if (!outbuf_enc)
4121                 goto free_key;
4122
4123         if (!vecs->siggen_sigver_test) {
4124                 m = vecs->m;
4125                 m_size = vecs->m_size;
4126                 c = vecs->c;
4127                 c_size = vecs->c_size;
4128                 op = "encrypt";
4129         } else {
4130                 /* Swap args so we could keep plaintext (digest)
4131                  * in vecs->m, and cooked signature in vecs->c.
4132                  */
4133                 m = vecs->c; /* signature */
4134                 m_size = vecs->c_size;
4135                 c = vecs->m; /* digest */
4136                 c_size = vecs->m_size;
4137                 op = "verify";
4138         }
4139
4140         err = -E2BIG;
4141         if (WARN_ON(m_size > PAGE_SIZE))
4142                 goto free_all;
4143         memcpy(xbuf[0], m, m_size);
4144
4145         sg_init_table(src_tab, 3);
4146         sg_set_buf(&src_tab[0], xbuf[0], 8);
4147         sg_set_buf(&src_tab[1], xbuf[0] + 8, m_size - 8);
4148         if (vecs->siggen_sigver_test) {
4149                 if (WARN_ON(c_size > PAGE_SIZE))
4150                         goto free_all;
4151                 memcpy(xbuf[1], c, c_size);
4152                 sg_set_buf(&src_tab[2], xbuf[1], c_size);
4153                 akcipher_request_set_crypt(req, src_tab, NULL, m_size, c_size);
4154         } else {
4155                 sg_init_one(&dst, outbuf_enc, out_len_max);
4156                 akcipher_request_set_crypt(req, src_tab, &dst, m_size,
4157                                            out_len_max);
4158         }
4159         akcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
4160                                       crypto_req_done, &wait);
4161
4162         err = crypto_wait_req(vecs->siggen_sigver_test ?
4163                               /* Run asymmetric signature verification */
4164                               crypto_akcipher_verify(req) :
4165                               /* Run asymmetric encrypt */
4166                               crypto_akcipher_encrypt(req), &wait);
4167         if (err) {
4168                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4169                 goto free_all;
4170         }
4171         if (!vecs->siggen_sigver_test && c) {
4172                 if (req->dst_len != c_size) {
4173                         pr_err("alg: akcipher: %s test failed. Invalid output len\n",
4174                                op);
4175                         err = -EINVAL;
4176                         goto free_all;
4177                 }
4178                 /* verify that encrypted message is equal to expected */
4179                 if (memcmp(c, outbuf_enc, c_size) != 0) {
4180                         pr_err("alg: akcipher: %s test failed. Invalid output\n",
4181                                op);
4182                         hexdump(outbuf_enc, c_size);
4183                         err = -EINVAL;
4184                         goto free_all;
4185                 }
4186         }
4187
4188         /*
4189          * Don't invoke (decrypt or sign) test which require a private key
4190          * for vectors with only a public key.
4191          */
4192         if (vecs->public_key_vec) {
4193                 err = 0;
4194                 goto free_all;
4195         }
4196         outbuf_dec = kzalloc(out_len_max, GFP_KERNEL);
4197         if (!outbuf_dec) {
4198                 err = -ENOMEM;
4199                 goto free_all;
4200         }
4201
4202         if (!vecs->siggen_sigver_test && !c) {
4203                 c = outbuf_enc;
4204                 c_size = req->dst_len;
4205         }
4206
4207         err = -E2BIG;
4208         op = vecs->siggen_sigver_test ? "sign" : "decrypt";
4209         if (WARN_ON(c_size > PAGE_SIZE))
4210                 goto free_all;
4211         memcpy(xbuf[0], c, c_size);
4212
4213         sg_init_one(&src, xbuf[0], c_size);
4214         sg_init_one(&dst, outbuf_dec, out_len_max);
4215         crypto_init_wait(&wait);
4216         akcipher_request_set_crypt(req, &src, &dst, c_size, out_len_max);
4217
4218         err = crypto_wait_req(vecs->siggen_sigver_test ?
4219                               /* Run asymmetric signature generation */
4220                               crypto_akcipher_sign(req) :
4221                               /* Run asymmetric decrypt */
4222                               crypto_akcipher_decrypt(req), &wait);
4223         if (err) {
4224                 pr_err("alg: akcipher: %s test failed. err %d\n", op, err);
4225                 goto free_all;
4226         }
4227         out_len = req->dst_len;
4228         if (out_len < m_size) {
4229                 pr_err("alg: akcipher: %s test failed. Invalid output len %u\n",
4230                        op, out_len);
4231                 err = -EINVAL;
4232                 goto free_all;
4233         }
4234         /* verify that decrypted message is equal to the original msg */
4235         if (memchr_inv(outbuf_dec, 0, out_len - m_size) ||
4236             memcmp(m, outbuf_dec + out_len - m_size, m_size)) {
4237                 pr_err("alg: akcipher: %s test failed. Invalid output\n", op);
4238                 hexdump(outbuf_dec, out_len);
4239                 err = -EINVAL;
4240         }
4241 free_all:
4242         kfree(outbuf_dec);
4243         kfree(outbuf_enc);
4244 free_key:
4245         kfree(key);
4246 free_req:
4247         akcipher_request_free(req);
4248 free_xbuf:
4249         testmgr_free_buf(xbuf);
4250         return err;
4251 }
4252
4253 static int test_akcipher(struct crypto_akcipher *tfm, const char *alg,
4254                          const struct akcipher_testvec *vecs,
4255                          unsigned int tcount)
4256 {
4257         const char *algo =
4258                 crypto_tfm_alg_driver_name(crypto_akcipher_tfm(tfm));
4259         int ret, i;
4260
4261         for (i = 0; i < tcount; i++) {
4262                 ret = test_akcipher_one(tfm, vecs++);
4263                 if (!ret)
4264                         continue;
4265
4266                 pr_err("alg: akcipher: test %d failed for %s, err=%d\n",
4267                        i + 1, algo, ret);
4268                 return ret;
4269         }
4270         return 0;
4271 }
4272
4273 static int alg_test_akcipher(const struct alg_test_desc *desc,
4274                              const char *driver, u32 type, u32 mask)
4275 {
4276         struct crypto_akcipher *tfm;
4277         int err = 0;
4278
4279         tfm = crypto_alloc_akcipher(driver, type, mask);
4280         if (IS_ERR(tfm)) {
4281                 pr_err("alg: akcipher: Failed to load tfm for %s: %ld\n",
4282                        driver, PTR_ERR(tfm));
4283                 return PTR_ERR(tfm);
4284         }
4285         if (desc->suite.akcipher.vecs)
4286                 err = test_akcipher(tfm, desc->alg, desc->suite.akcipher.vecs,
4287                                     desc->suite.akcipher.count);
4288
4289         crypto_free_akcipher(tfm);
4290         return err;
4291 }
4292
4293 static int alg_test_null(const struct alg_test_desc *desc,
4294                              const char *driver, u32 type, u32 mask)
4295 {
4296         return 0;
4297 }
4298
4299 #define ____VECS(tv)    .vecs = tv, .count = ARRAY_SIZE(tv)
4300 #define __VECS(tv)      { ____VECS(tv) }
4301
4302 /* Please keep this list sorted by algorithm name. */
4303 static const struct alg_test_desc alg_test_descs[] = {
4304         {
4305                 .alg = "adiantum(xchacha12,aes)",
4306                 .generic_driver = "adiantum(xchacha12-generic,aes-generic,nhpoly1305-generic)",
4307                 .test = alg_test_skcipher,
4308                 .suite = {
4309                         .cipher = __VECS(adiantum_xchacha12_aes_tv_template)
4310                 },
4311         }, {
4312                 .alg = "adiantum(xchacha20,aes)",
4313                 .generic_driver = "adiantum(xchacha20-generic,aes-generic,nhpoly1305-generic)",
4314                 .test = alg_test_skcipher,
4315                 .suite = {
4316                         .cipher = __VECS(adiantum_xchacha20_aes_tv_template)
4317                 },
4318         }, {
4319                 .alg = "aegis128",
4320                 .test = alg_test_aead,
4321                 .suite = {
4322                         .aead = __VECS(aegis128_tv_template)
4323                 }
4324         }, {
4325                 .alg = "ansi_cprng",
4326                 .test = alg_test_cprng,
4327                 .suite = {
4328                         .cprng = __VECS(ansi_cprng_aes_tv_template)
4329                 }
4330         }, {
4331                 .alg = "authenc(hmac(md5),ecb(cipher_null))",
4332                 .test = alg_test_aead,
4333                 .suite = {
4334                         .aead = __VECS(hmac_md5_ecb_cipher_null_tv_template)
4335                 }
4336         }, {
4337                 .alg = "authenc(hmac(sha1),cbc(aes))",
4338                 .test = alg_test_aead,
4339                 .fips_allowed = 1,
4340                 .suite = {
4341                         .aead = __VECS(hmac_sha1_aes_cbc_tv_temp)
4342                 }
4343         }, {
4344                 .alg = "authenc(hmac(sha1),cbc(des))",
4345                 .test = alg_test_aead,
4346                 .suite = {
4347                         .aead = __VECS(hmac_sha1_des_cbc_tv_temp)
4348                 }
4349         }, {
4350                 .alg = "authenc(hmac(sha1),cbc(des3_ede))",
4351                 .test = alg_test_aead,
4352                 .suite = {
4353                         .aead = __VECS(hmac_sha1_des3_ede_cbc_tv_temp)
4354                 }
4355         }, {
4356                 .alg = "authenc(hmac(sha1),ctr(aes))",
4357                 .test = alg_test_null,
4358                 .fips_allowed = 1,
4359         }, {
4360                 .alg = "authenc(hmac(sha1),ecb(cipher_null))",
4361                 .test = alg_test_aead,
4362                 .suite = {
4363                         .aead = __VECS(hmac_sha1_ecb_cipher_null_tv_temp)
4364                 }
4365         }, {
4366                 .alg = "authenc(hmac(sha1),rfc3686(ctr(aes)))",
4367                 .test = alg_test_null,
4368                 .fips_allowed = 1,
4369         }, {
4370                 .alg = "authenc(hmac(sha224),cbc(des))",
4371                 .test = alg_test_aead,
4372                 .suite = {
4373                         .aead = __VECS(hmac_sha224_des_cbc_tv_temp)
4374                 }
4375         }, {
4376                 .alg = "authenc(hmac(sha224),cbc(des3_ede))",
4377                 .test = alg_test_aead,
4378                 .suite = {
4379                         .aead = __VECS(hmac_sha224_des3_ede_cbc_tv_temp)
4380                 }
4381         }, {
4382                 .alg = "authenc(hmac(sha256),cbc(aes))",
4383                 .test = alg_test_aead,
4384                 .fips_allowed = 1,
4385                 .suite = {
4386                         .aead = __VECS(hmac_sha256_aes_cbc_tv_temp)
4387                 }
4388         }, {
4389                 .alg = "authenc(hmac(sha256),cbc(des))",
4390                 .test = alg_test_aead,
4391                 .suite = {
4392                         .aead = __VECS(hmac_sha256_des_cbc_tv_temp)
4393                 }
4394         }, {
4395                 .alg = "authenc(hmac(sha256),cbc(des3_ede))",
4396                 .test = alg_test_aead,
4397                 .suite = {
4398                         .aead = __VECS(hmac_sha256_des3_ede_cbc_tv_temp)
4399                 }
4400         }, {
4401                 .alg = "authenc(hmac(sha256),ctr(aes))",
4402                 .test = alg_test_null,
4403                 .fips_allowed = 1,
4404         }, {
4405                 .alg = "authenc(hmac(sha256),rfc3686(ctr(aes)))",
4406                 .test = alg_test_null,
4407                 .fips_allowed = 1,
4408         }, {
4409                 .alg = "authenc(hmac(sha384),cbc(des))",
4410                 .test = alg_test_aead,
4411                 .suite = {
4412                         .aead = __VECS(hmac_sha384_des_cbc_tv_temp)
4413                 }
4414         }, {
4415                 .alg = "authenc(hmac(sha384),cbc(des3_ede))",
4416                 .test = alg_test_aead,
4417                 .suite = {
4418                         .aead = __VECS(hmac_sha384_des3_ede_cbc_tv_temp)
4419                 }
4420         }, {
4421                 .alg = "authenc(hmac(sha384),ctr(aes))",
4422                 .test = alg_test_null,
4423                 .fips_allowed = 1,
4424         }, {
4425                 .alg = "authenc(hmac(sha384),rfc3686(ctr(aes)))",
4426                 .test = alg_test_null,
4427                 .fips_allowed = 1,
4428         }, {
4429                 .alg = "authenc(hmac(sha512),cbc(aes))",
4430                 .fips_allowed = 1,
4431                 .test = alg_test_aead,
4432                 .suite = {
4433                         .aead = __VECS(hmac_sha512_aes_cbc_tv_temp)
4434                 }
4435         }, {
4436                 .alg = "authenc(hmac(sha512),cbc(des))",
4437                 .test = alg_test_aead,
4438                 .suite = {
4439                         .aead = __VECS(hmac_sha512_des_cbc_tv_temp)
4440                 }
4441         }, {
4442                 .alg = "authenc(hmac(sha512),cbc(des3_ede))",
4443                 .test = alg_test_aead,
4444                 .suite = {
4445                         .aead = __VECS(hmac_sha512_des3_ede_cbc_tv_temp)
4446                 }
4447         }, {
4448                 .alg = "authenc(hmac(sha512),ctr(aes))",
4449                 .test = alg_test_null,
4450                 .fips_allowed = 1,
4451         }, {
4452                 .alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
4453                 .test = alg_test_null,
4454                 .fips_allowed = 1,
4455         }, {
4456                 .alg = "blake2b-160",
4457                 .test = alg_test_hash,
4458                 .fips_allowed = 0,
4459                 .suite = {
4460                         .hash = __VECS(blake2b_160_tv_template)
4461                 }
4462         }, {
4463                 .alg = "blake2b-256",
4464                 .test = alg_test_hash,
4465                 .fips_allowed = 0,
4466                 .suite = {
4467                         .hash = __VECS(blake2b_256_tv_template)
4468                 }
4469         }, {
4470                 .alg = "blake2b-384",
4471                 .test = alg_test_hash,
4472                 .fips_allowed = 0,
4473                 .suite = {
4474                         .hash = __VECS(blake2b_384_tv_template)
4475                 }
4476         }, {
4477                 .alg = "blake2b-512",
4478                 .test = alg_test_hash,
4479                 .fips_allowed = 0,
4480                 .suite = {
4481                         .hash = __VECS(blake2b_512_tv_template)
4482                 }
4483         }, {
4484                 .alg = "cbc(aes)",
4485                 .test = alg_test_skcipher,
4486                 .fips_allowed = 1,
4487                 .suite = {
4488                         .cipher = __VECS(aes_cbc_tv_template)
4489                 },
4490         }, {
4491                 .alg = "cbc(anubis)",
4492                 .test = alg_test_skcipher,
4493                 .suite = {
4494                         .cipher = __VECS(anubis_cbc_tv_template)
4495                 },
4496         }, {
4497                 .alg = "cbc(aria)",
4498                 .test = alg_test_skcipher,
4499                 .suite = {
4500                         .cipher = __VECS(aria_cbc_tv_template)
4501                 },
4502         }, {
4503                 .alg = "cbc(blowfish)",
4504                 .test = alg_test_skcipher,
4505                 .suite = {
4506                         .cipher = __VECS(bf_cbc_tv_template)
4507                 },
4508         }, {
4509                 .alg = "cbc(camellia)",
4510                 .test = alg_test_skcipher,
4511                 .suite = {
4512                         .cipher = __VECS(camellia_cbc_tv_template)
4513                 },
4514         }, {
4515                 .alg = "cbc(cast5)",
4516                 .test = alg_test_skcipher,
4517                 .suite = {
4518                         .cipher = __VECS(cast5_cbc_tv_template)
4519                 },
4520         }, {
4521                 .alg = "cbc(cast6)",
4522                 .test = alg_test_skcipher,
4523                 .suite = {
4524                         .cipher = __VECS(cast6_cbc_tv_template)
4525                 },
4526         }, {
4527                 .alg = "cbc(des)",
4528                 .test = alg_test_skcipher,
4529                 .suite = {
4530                         .cipher = __VECS(des_cbc_tv_template)
4531                 },
4532         }, {
4533                 .alg = "cbc(des3_ede)",
4534                 .test = alg_test_skcipher,
4535                 .suite = {
4536                         .cipher = __VECS(des3_ede_cbc_tv_template)
4537                 },
4538         }, {
4539                 /* Same as cbc(aes) except the key is stored in
4540                  * hardware secure memory which we reference by index
4541                  */
4542                 .alg = "cbc(paes)",
4543                 .test = alg_test_null,
4544                 .fips_allowed = 1,
4545         }, {
4546                 /* Same as cbc(sm4) except the key is stored in
4547                  * hardware secure memory which we reference by index
4548                  */
4549                 .alg = "cbc(psm4)",
4550                 .test = alg_test_null,
4551         }, {
4552                 .alg = "cbc(serpent)",
4553                 .test = alg_test_skcipher,
4554                 .suite = {
4555                         .cipher = __VECS(serpent_cbc_tv_template)
4556                 },
4557         }, {
4558                 .alg = "cbc(sm4)",
4559                 .test = alg_test_skcipher,
4560                 .suite = {
4561                         .cipher = __VECS(sm4_cbc_tv_template)
4562                 }
4563         }, {
4564                 .alg = "cbc(twofish)",
4565                 .test = alg_test_skcipher,
4566                 .suite = {
4567                         .cipher = __VECS(tf_cbc_tv_template)
4568                 },
4569         }, {
4570 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4571                 .alg = "cbc-paes-s390",
4572                 .fips_allowed = 1,
4573                 .test = alg_test_skcipher,
4574                 .suite = {
4575                         .cipher = __VECS(aes_cbc_tv_template)
4576                 }
4577         }, {
4578 #endif
4579                 .alg = "cbcmac(aes)",
4580                 .test = alg_test_hash,
4581                 .suite = {
4582                         .hash = __VECS(aes_cbcmac_tv_template)
4583                 }
4584         }, {
4585                 .alg = "cbcmac(sm4)",
4586                 .test = alg_test_hash,
4587                 .suite = {
4588                         .hash = __VECS(sm4_cbcmac_tv_template)
4589                 }
4590         }, {
4591                 .alg = "ccm(aes)",
4592                 .generic_driver = "ccm_base(ctr(aes-generic),cbcmac(aes-generic))",
4593                 .test = alg_test_aead,
4594                 .fips_allowed = 1,
4595                 .suite = {
4596                         .aead = {
4597                                 ____VECS(aes_ccm_tv_template),
4598                                 .einval_allowed = 1,
4599                         }
4600                 }
4601         }, {
4602                 .alg = "ccm(sm4)",
4603                 .generic_driver = "ccm_base(ctr(sm4-generic),cbcmac(sm4-generic))",
4604                 .test = alg_test_aead,
4605                 .suite = {
4606                         .aead = {
4607                                 ____VECS(sm4_ccm_tv_template),
4608                                 .einval_allowed = 1,
4609                         }
4610                 }
4611         }, {
4612                 .alg = "chacha20",
4613                 .test = alg_test_skcipher,
4614                 .suite = {
4615                         .cipher = __VECS(chacha20_tv_template)
4616                 },
4617         }, {
4618                 .alg = "cmac(aes)",
4619                 .fips_allowed = 1,
4620                 .test = alg_test_hash,
4621                 .suite = {
4622                         .hash = __VECS(aes_cmac128_tv_template)
4623                 }
4624         }, {
4625                 .alg = "cmac(camellia)",
4626                 .test = alg_test_hash,
4627                 .suite = {
4628                         .hash = __VECS(camellia_cmac128_tv_template)
4629                 }
4630         }, {
4631                 .alg = "cmac(des3_ede)",
4632                 .test = alg_test_hash,
4633                 .suite = {
4634                         .hash = __VECS(des3_ede_cmac64_tv_template)
4635                 }
4636         }, {
4637                 .alg = "cmac(sm4)",
4638                 .test = alg_test_hash,
4639                 .suite = {
4640                         .hash = __VECS(sm4_cmac128_tv_template)
4641                 }
4642         }, {
4643                 .alg = "compress_null",
4644                 .test = alg_test_null,
4645         }, {
4646                 .alg = "crc32",
4647                 .test = alg_test_hash,
4648                 .fips_allowed = 1,
4649                 .suite = {
4650                         .hash = __VECS(crc32_tv_template)
4651                 }
4652         }, {
4653                 .alg = "crc32c",
4654                 .test = alg_test_crc32c,
4655                 .fips_allowed = 1,
4656                 .suite = {
4657                         .hash = __VECS(crc32c_tv_template)
4658                 }
4659         }, {
4660                 .alg = "crc64-rocksoft",
4661                 .test = alg_test_hash,
4662                 .fips_allowed = 1,
4663                 .suite = {
4664                         .hash = __VECS(crc64_rocksoft_tv_template)
4665                 }
4666         }, {
4667                 .alg = "crct10dif",
4668                 .test = alg_test_hash,
4669                 .fips_allowed = 1,
4670                 .suite = {
4671                         .hash = __VECS(crct10dif_tv_template)
4672                 }
4673         }, {
4674                 .alg = "ctr(aes)",
4675                 .test = alg_test_skcipher,
4676                 .fips_allowed = 1,
4677                 .suite = {
4678                         .cipher = __VECS(aes_ctr_tv_template)
4679                 }
4680         }, {
4681                 .alg = "ctr(aria)",
4682                 .test = alg_test_skcipher,
4683                 .suite = {
4684                         .cipher = __VECS(aria_ctr_tv_template)
4685                 }
4686         }, {
4687                 .alg = "ctr(blowfish)",
4688                 .test = alg_test_skcipher,
4689                 .suite = {
4690                         .cipher = __VECS(bf_ctr_tv_template)
4691                 }
4692         }, {
4693                 .alg = "ctr(camellia)",
4694                 .test = alg_test_skcipher,
4695                 .suite = {
4696                         .cipher = __VECS(camellia_ctr_tv_template)
4697                 }
4698         }, {
4699                 .alg = "ctr(cast5)",
4700                 .test = alg_test_skcipher,
4701                 .suite = {
4702                         .cipher = __VECS(cast5_ctr_tv_template)
4703                 }
4704         }, {
4705                 .alg = "ctr(cast6)",
4706                 .test = alg_test_skcipher,
4707                 .suite = {
4708                         .cipher = __VECS(cast6_ctr_tv_template)
4709                 }
4710         }, {
4711                 .alg = "ctr(des)",
4712                 .test = alg_test_skcipher,
4713                 .suite = {
4714                         .cipher = __VECS(des_ctr_tv_template)
4715                 }
4716         }, {
4717                 .alg = "ctr(des3_ede)",
4718                 .test = alg_test_skcipher,
4719                 .suite = {
4720                         .cipher = __VECS(des3_ede_ctr_tv_template)
4721                 }
4722         }, {
4723                 /* Same as ctr(aes) except the key is stored in
4724                  * hardware secure memory which we reference by index
4725                  */
4726                 .alg = "ctr(paes)",
4727                 .test = alg_test_null,
4728                 .fips_allowed = 1,
4729         }, {
4730
4731                 /* Same as ctr(sm4) except the key is stored in
4732                  * hardware secure memory which we reference by index
4733                  */
4734                 .alg = "ctr(psm4)",
4735                 .test = alg_test_null,
4736         }, {
4737                 .alg = "ctr(serpent)",
4738                 .test = alg_test_skcipher,
4739                 .suite = {
4740                         .cipher = __VECS(serpent_ctr_tv_template)
4741                 }
4742         }, {
4743                 .alg = "ctr(sm4)",
4744                 .test = alg_test_skcipher,
4745                 .suite = {
4746                         .cipher = __VECS(sm4_ctr_tv_template)
4747                 }
4748         }, {
4749                 .alg = "ctr(twofish)",
4750                 .test = alg_test_skcipher,
4751                 .suite = {
4752                         .cipher = __VECS(tf_ctr_tv_template)
4753                 }
4754         }, {
4755 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
4756                 .alg = "ctr-paes-s390",
4757                 .fips_allowed = 1,
4758                 .test = alg_test_skcipher,
4759                 .suite = {
4760                         .cipher = __VECS(aes_ctr_tv_template)
4761                 }
4762         }, {
4763 #endif
4764                 .alg = "cts(cbc(aes))",
4765                 .test = alg_test_skcipher,
4766                 .fips_allowed = 1,
4767                 .suite = {
4768                         .cipher = __VECS(cts_mode_tv_template)
4769                 }
4770         }, {
4771                 /* Same as cts(cbc((aes)) except the key is stored in
4772                  * hardware secure memory which we reference by index
4773                  */
4774                 .alg = "cts(cbc(paes))",
4775                 .test = alg_test_null,
4776                 .fips_allowed = 1,
4777         }, {
4778                 .alg = "cts(cbc(sm4))",
4779                 .test = alg_test_skcipher,
4780                 .suite = {
4781                         .cipher = __VECS(sm4_cts_tv_template)
4782                 }
4783         }, {
4784                 .alg = "curve25519",
4785                 .test = alg_test_kpp,
4786                 .suite = {
4787                         .kpp = __VECS(curve25519_tv_template)
4788                 }
4789         }, {
4790                 .alg = "deflate",
4791                 .test = alg_test_comp,
4792                 .fips_allowed = 1,
4793                 .suite = {
4794                         .comp = {
4795                                 .comp = __VECS(deflate_comp_tv_template),
4796                                 .decomp = __VECS(deflate_decomp_tv_template)
4797                         }
4798                 }
4799         }, {
4800                 .alg = "deflate-iaa",
4801                 .test = alg_test_comp,
4802                 .fips_allowed = 1,
4803                 .suite = {
4804                         .comp = {
4805                                 .comp = __VECS(deflate_comp_tv_template),
4806                                 .decomp = __VECS(deflate_decomp_tv_template)
4807                         }
4808                 }
4809         }, {
4810                 .alg = "dh",
4811                 .test = alg_test_kpp,
4812                 .suite = {
4813                         .kpp = __VECS(dh_tv_template)
4814                 }
4815         }, {
4816                 .alg = "digest_null",
4817                 .test = alg_test_null,
4818         }, {
4819                 .alg = "drbg_nopr_ctr_aes128",
4820                 .test = alg_test_drbg,
4821                 .fips_allowed = 1,
4822                 .suite = {
4823                         .drbg = __VECS(drbg_nopr_ctr_aes128_tv_template)
4824                 }
4825         }, {
4826                 .alg = "drbg_nopr_ctr_aes192",
4827                 .test = alg_test_drbg,
4828                 .fips_allowed = 1,
4829                 .suite = {
4830                         .drbg = __VECS(drbg_nopr_ctr_aes192_tv_template)
4831                 }
4832         }, {
4833                 .alg = "drbg_nopr_ctr_aes256",
4834                 .test = alg_test_drbg,
4835                 .fips_allowed = 1,
4836                 .suite = {
4837                         .drbg = __VECS(drbg_nopr_ctr_aes256_tv_template)
4838                 }
4839         }, {
4840                 .alg = "drbg_nopr_hmac_sha256",
4841                 .test = alg_test_drbg,
4842                 .fips_allowed = 1,
4843                 .suite = {
4844                         .drbg = __VECS(drbg_nopr_hmac_sha256_tv_template)
4845                 }
4846         }, {
4847                 /*
4848                  * There is no need to specifically test the DRBG with every
4849                  * backend cipher -- covered by drbg_nopr_hmac_sha512 test
4850                  */
4851                 .alg = "drbg_nopr_hmac_sha384",
4852                 .test = alg_test_null,
4853         }, {
4854                 .alg = "drbg_nopr_hmac_sha512",
4855                 .test = alg_test_drbg,
4856                 .fips_allowed = 1,
4857                 .suite = {
4858                         .drbg = __VECS(drbg_nopr_hmac_sha512_tv_template)
4859                 }
4860         }, {
4861                 .alg = "drbg_nopr_sha256",
4862                 .test = alg_test_drbg,
4863                 .fips_allowed = 1,
4864                 .suite = {
4865                         .drbg = __VECS(drbg_nopr_sha256_tv_template)
4866                 }
4867         }, {
4868                 /* covered by drbg_nopr_sha256 test */
4869                 .alg = "drbg_nopr_sha384",
4870                 .test = alg_test_null,
4871         }, {
4872                 .alg = "drbg_nopr_sha512",
4873                 .fips_allowed = 1,
4874                 .test = alg_test_null,
4875         }, {
4876                 .alg = "drbg_pr_ctr_aes128",
4877                 .test = alg_test_drbg,
4878                 .fips_allowed = 1,
4879                 .suite = {
4880                         .drbg = __VECS(drbg_pr_ctr_aes128_tv_template)
4881                 }
4882         }, {
4883                 /* covered by drbg_pr_ctr_aes128 test */
4884                 .alg = "drbg_pr_ctr_aes192",
4885                 .fips_allowed = 1,
4886                 .test = alg_test_null,
4887         }, {
4888                 .alg = "drbg_pr_ctr_aes256",
4889                 .fips_allowed = 1,
4890                 .test = alg_test_null,
4891         }, {
4892                 .alg = "drbg_pr_hmac_sha256",
4893                 .test = alg_test_drbg,
4894                 .fips_allowed = 1,
4895                 .suite = {
4896                         .drbg = __VECS(drbg_pr_hmac_sha256_tv_template)
4897                 }
4898         }, {
4899                 /* covered by drbg_pr_hmac_sha256 test */
4900                 .alg = "drbg_pr_hmac_sha384",
4901                 .test = alg_test_null,
4902         }, {
4903                 .alg = "drbg_pr_hmac_sha512",
4904                 .test = alg_test_null,
4905                 .fips_allowed = 1,
4906         }, {
4907                 .alg = "drbg_pr_sha256",
4908                 .test = alg_test_drbg,
4909                 .fips_allowed = 1,
4910                 .suite = {
4911                         .drbg = __VECS(drbg_pr_sha256_tv_template)
4912                 }
4913         }, {
4914                 /* covered by drbg_pr_sha256 test */
4915                 .alg = "drbg_pr_sha384",
4916                 .test = alg_test_null,
4917         }, {
4918                 .alg = "drbg_pr_sha512",
4919                 .fips_allowed = 1,
4920                 .test = alg_test_null,
4921         }, {
4922                 .alg = "ecb(aes)",
4923                 .test = alg_test_skcipher,
4924                 .fips_allowed = 1,
4925                 .suite = {
4926                         .cipher = __VECS(aes_tv_template)
4927                 }
4928         }, {
4929                 .alg = "ecb(anubis)",
4930                 .test = alg_test_skcipher,
4931                 .suite = {
4932                         .cipher = __VECS(anubis_tv_template)
4933                 }
4934         }, {
4935                 .alg = "ecb(arc4)",
4936                 .generic_driver = "arc4-generic",
4937                 .test = alg_test_skcipher,
4938                 .suite = {
4939                         .cipher = __VECS(arc4_tv_template)
4940                 }
4941         }, {
4942                 .alg = "ecb(aria)",
4943                 .test = alg_test_skcipher,
4944                 .suite = {
4945                         .cipher = __VECS(aria_tv_template)
4946                 }
4947         }, {
4948                 .alg = "ecb(blowfish)",
4949                 .test = alg_test_skcipher,
4950                 .suite = {
4951                         .cipher = __VECS(bf_tv_template)
4952                 }
4953         }, {
4954                 .alg = "ecb(camellia)",
4955                 .test = alg_test_skcipher,
4956                 .suite = {
4957                         .cipher = __VECS(camellia_tv_template)
4958                 }
4959         }, {
4960                 .alg = "ecb(cast5)",
4961                 .test = alg_test_skcipher,
4962                 .suite = {
4963                         .cipher = __VECS(cast5_tv_template)
4964                 }
4965         }, {
4966                 .alg = "ecb(cast6)",
4967                 .test = alg_test_skcipher,
4968                 .suite = {
4969                         .cipher = __VECS(cast6_tv_template)
4970                 }
4971         }, {
4972                 .alg = "ecb(cipher_null)",
4973                 .test = alg_test_null,
4974                 .fips_allowed = 1,
4975         }, {
4976                 .alg = "ecb(des)",
4977                 .test = alg_test_skcipher,
4978                 .suite = {
4979                         .cipher = __VECS(des_tv_template)
4980                 }
4981         }, {
4982                 .alg = "ecb(des3_ede)",
4983                 .test = alg_test_skcipher,
4984                 .suite = {
4985                         .cipher = __VECS(des3_ede_tv_template)
4986                 }
4987         }, {
4988                 .alg = "ecb(fcrypt)",
4989                 .test = alg_test_skcipher,
4990                 .suite = {
4991                         .cipher = {
4992                                 .vecs = fcrypt_pcbc_tv_template,
4993                                 .count = 1
4994                         }
4995                 }
4996         }, {
4997                 .alg = "ecb(khazad)",
4998                 .test = alg_test_skcipher,
4999                 .suite = {
5000                         .cipher = __VECS(khazad_tv_template)
5001                 }
5002         }, {
5003                 /* Same as ecb(aes) except the key is stored in
5004                  * hardware secure memory which we reference by index
5005                  */
5006                 .alg = "ecb(paes)",
5007                 .test = alg_test_null,
5008                 .fips_allowed = 1,
5009         }, {
5010                 .alg = "ecb(seed)",
5011                 .test = alg_test_skcipher,
5012                 .suite = {
5013                         .cipher = __VECS(seed_tv_template)
5014                 }
5015         }, {
5016                 .alg = "ecb(serpent)",
5017                 .test = alg_test_skcipher,
5018                 .suite = {
5019                         .cipher = __VECS(serpent_tv_template)
5020                 }
5021         }, {
5022                 .alg = "ecb(sm4)",
5023                 .test = alg_test_skcipher,
5024                 .suite = {
5025                         .cipher = __VECS(sm4_tv_template)
5026                 }
5027         }, {
5028                 .alg = "ecb(tea)",
5029                 .test = alg_test_skcipher,
5030                 .suite = {
5031                         .cipher = __VECS(tea_tv_template)
5032                 }
5033         }, {
5034                 .alg = "ecb(twofish)",
5035                 .test = alg_test_skcipher,
5036                 .suite = {
5037                         .cipher = __VECS(tf_tv_template)
5038                 }
5039         }, {
5040                 .alg = "ecb(xeta)",
5041                 .test = alg_test_skcipher,
5042                 .suite = {
5043                         .cipher = __VECS(xeta_tv_template)
5044                 }
5045         }, {
5046                 .alg = "ecb(xtea)",
5047                 .test = alg_test_skcipher,
5048                 .suite = {
5049                         .cipher = __VECS(xtea_tv_template)
5050                 }
5051         }, {
5052 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5053                 .alg = "ecb-paes-s390",
5054                 .fips_allowed = 1,
5055                 .test = alg_test_skcipher,
5056                 .suite = {
5057                         .cipher = __VECS(aes_tv_template)
5058                 }
5059         }, {
5060 #endif
5061                 .alg = "ecdh-nist-p192",
5062                 .test = alg_test_kpp,
5063                 .suite = {
5064                         .kpp = __VECS(ecdh_p192_tv_template)
5065                 }
5066         }, {
5067                 .alg = "ecdh-nist-p256",
5068                 .test = alg_test_kpp,
5069                 .fips_allowed = 1,
5070                 .suite = {
5071                         .kpp = __VECS(ecdh_p256_tv_template)
5072                 }
5073         }, {
5074                 .alg = "ecdh-nist-p384",
5075                 .test = alg_test_kpp,
5076                 .fips_allowed = 1,
5077                 .suite = {
5078                         .kpp = __VECS(ecdh_p384_tv_template)
5079                 }
5080         }, {
5081                 .alg = "ecdsa-nist-p192",
5082                 .test = alg_test_akcipher,
5083                 .suite = {
5084                         .akcipher = __VECS(ecdsa_nist_p192_tv_template)
5085                 }
5086         }, {
5087                 .alg = "ecdsa-nist-p256",
5088                 .test = alg_test_akcipher,
5089                 .fips_allowed = 1,
5090                 .suite = {
5091                         .akcipher = __VECS(ecdsa_nist_p256_tv_template)
5092                 }
5093         }, {
5094                 .alg = "ecdsa-nist-p384",
5095                 .test = alg_test_akcipher,
5096                 .fips_allowed = 1,
5097                 .suite = {
5098                         .akcipher = __VECS(ecdsa_nist_p384_tv_template)
5099                 }
5100         }, {
5101                 .alg = "ecrdsa",
5102                 .test = alg_test_akcipher,
5103                 .suite = {
5104                         .akcipher = __VECS(ecrdsa_tv_template)
5105                 }
5106         }, {
5107                 .alg = "essiv(authenc(hmac(sha256),cbc(aes)),sha256)",
5108                 .test = alg_test_aead,
5109                 .fips_allowed = 1,
5110                 .suite = {
5111                         .aead = __VECS(essiv_hmac_sha256_aes_cbc_tv_temp)
5112                 }
5113         }, {
5114                 .alg = "essiv(cbc(aes),sha256)",
5115                 .test = alg_test_skcipher,
5116                 .fips_allowed = 1,
5117                 .suite = {
5118                         .cipher = __VECS(essiv_aes_cbc_tv_template)
5119                 }
5120         }, {
5121 #if IS_ENABLED(CONFIG_CRYPTO_DH_RFC7919_GROUPS)
5122                 .alg = "ffdhe2048(dh)",
5123                 .test = alg_test_kpp,
5124                 .fips_allowed = 1,
5125                 .suite = {
5126                         .kpp = __VECS(ffdhe2048_dh_tv_template)
5127                 }
5128         }, {
5129                 .alg = "ffdhe3072(dh)",
5130                 .test = alg_test_kpp,
5131                 .fips_allowed = 1,
5132                 .suite = {
5133                         .kpp = __VECS(ffdhe3072_dh_tv_template)
5134                 }
5135         }, {
5136                 .alg = "ffdhe4096(dh)",
5137                 .test = alg_test_kpp,
5138                 .fips_allowed = 1,
5139                 .suite = {
5140                         .kpp = __VECS(ffdhe4096_dh_tv_template)
5141                 }
5142         }, {
5143                 .alg = "ffdhe6144(dh)",
5144                 .test = alg_test_kpp,
5145                 .fips_allowed = 1,
5146                 .suite = {
5147                         .kpp = __VECS(ffdhe6144_dh_tv_template)
5148                 }
5149         }, {
5150                 .alg = "ffdhe8192(dh)",
5151                 .test = alg_test_kpp,
5152                 .fips_allowed = 1,
5153                 .suite = {
5154                         .kpp = __VECS(ffdhe8192_dh_tv_template)
5155                 }
5156         }, {
5157 #endif /* CONFIG_CRYPTO_DH_RFC7919_GROUPS */
5158                 .alg = "gcm(aes)",
5159                 .generic_driver = "gcm_base(ctr(aes-generic),ghash-generic)",
5160                 .test = alg_test_aead,
5161                 .fips_allowed = 1,
5162                 .suite = {
5163                         .aead = __VECS(aes_gcm_tv_template)
5164                 }
5165         }, {
5166                 .alg = "gcm(aria)",
5167                 .generic_driver = "gcm_base(ctr(aria-generic),ghash-generic)",
5168                 .test = alg_test_aead,
5169                 .suite = {
5170                         .aead = __VECS(aria_gcm_tv_template)
5171                 }
5172         }, {
5173                 .alg = "gcm(sm4)",
5174                 .generic_driver = "gcm_base(ctr(sm4-generic),ghash-generic)",
5175                 .test = alg_test_aead,
5176                 .suite = {
5177                         .aead = __VECS(sm4_gcm_tv_template)
5178                 }
5179         }, {
5180                 .alg = "ghash",
5181                 .test = alg_test_hash,
5182                 .suite = {
5183                         .hash = __VECS(ghash_tv_template)
5184                 }
5185         }, {
5186                 .alg = "hctr2(aes)",
5187                 .generic_driver =
5188                     "hctr2_base(xctr(aes-generic),polyval-generic)",
5189                 .test = alg_test_skcipher,
5190                 .suite = {
5191                         .cipher = __VECS(aes_hctr2_tv_template)
5192                 }
5193         }, {
5194                 .alg = "hmac(md5)",
5195                 .test = alg_test_hash,
5196                 .suite = {
5197                         .hash = __VECS(hmac_md5_tv_template)
5198                 }
5199         }, {
5200                 .alg = "hmac(rmd160)",
5201                 .test = alg_test_hash,
5202                 .suite = {
5203                         .hash = __VECS(hmac_rmd160_tv_template)
5204                 }
5205         }, {
5206                 .alg = "hmac(sha1)",
5207                 .test = alg_test_hash,
5208                 .fips_allowed = 1,
5209                 .suite = {
5210                         .hash = __VECS(hmac_sha1_tv_template)
5211                 }
5212         }, {
5213                 .alg = "hmac(sha224)",
5214                 .test = alg_test_hash,
5215                 .fips_allowed = 1,
5216                 .suite = {
5217                         .hash = __VECS(hmac_sha224_tv_template)
5218                 }
5219         }, {
5220                 .alg = "hmac(sha256)",
5221                 .test = alg_test_hash,
5222                 .fips_allowed = 1,
5223                 .suite = {
5224                         .hash = __VECS(hmac_sha256_tv_template)
5225                 }
5226         }, {
5227                 .alg = "hmac(sha3-224)",
5228                 .test = alg_test_hash,
5229                 .fips_allowed = 1,
5230                 .suite = {
5231                         .hash = __VECS(hmac_sha3_224_tv_template)
5232                 }
5233         }, {
5234                 .alg = "hmac(sha3-256)",
5235                 .test = alg_test_hash,
5236                 .fips_allowed = 1,
5237                 .suite = {
5238                         .hash = __VECS(hmac_sha3_256_tv_template)
5239                 }
5240         }, {
5241                 .alg = "hmac(sha3-384)",
5242                 .test = alg_test_hash,
5243                 .fips_allowed = 1,
5244                 .suite = {
5245                         .hash = __VECS(hmac_sha3_384_tv_template)
5246                 }
5247         }, {
5248                 .alg = "hmac(sha3-512)",
5249                 .test = alg_test_hash,
5250                 .fips_allowed = 1,
5251                 .suite = {
5252                         .hash = __VECS(hmac_sha3_512_tv_template)
5253                 }
5254         }, {
5255                 .alg = "hmac(sha384)",
5256                 .test = alg_test_hash,
5257                 .fips_allowed = 1,
5258                 .suite = {
5259                         .hash = __VECS(hmac_sha384_tv_template)
5260                 }
5261         }, {
5262                 .alg = "hmac(sha512)",
5263                 .test = alg_test_hash,
5264                 .fips_allowed = 1,
5265                 .suite = {
5266                         .hash = __VECS(hmac_sha512_tv_template)
5267                 }
5268         }, {
5269                 .alg = "hmac(sm3)",
5270                 .test = alg_test_hash,
5271                 .suite = {
5272                         .hash = __VECS(hmac_sm3_tv_template)
5273                 }
5274         }, {
5275                 .alg = "hmac(streebog256)",
5276                 .test = alg_test_hash,
5277                 .suite = {
5278                         .hash = __VECS(hmac_streebog256_tv_template)
5279                 }
5280         }, {
5281                 .alg = "hmac(streebog512)",
5282                 .test = alg_test_hash,
5283                 .suite = {
5284                         .hash = __VECS(hmac_streebog512_tv_template)
5285                 }
5286         }, {
5287                 .alg = "jitterentropy_rng",
5288                 .fips_allowed = 1,
5289                 .test = alg_test_null,
5290         }, {
5291                 .alg = "kw(aes)",
5292                 .test = alg_test_skcipher,
5293                 .fips_allowed = 1,
5294                 .suite = {
5295                         .cipher = __VECS(aes_kw_tv_template)
5296                 }
5297         }, {
5298                 .alg = "lrw(aes)",
5299                 .generic_driver = "lrw(ecb(aes-generic))",
5300                 .test = alg_test_skcipher,
5301                 .suite = {
5302                         .cipher = __VECS(aes_lrw_tv_template)
5303                 }
5304         }, {
5305                 .alg = "lrw(camellia)",
5306                 .generic_driver = "lrw(ecb(camellia-generic))",
5307                 .test = alg_test_skcipher,
5308                 .suite = {
5309                         .cipher = __VECS(camellia_lrw_tv_template)
5310                 }
5311         }, {
5312                 .alg = "lrw(cast6)",
5313                 .generic_driver = "lrw(ecb(cast6-generic))",
5314                 .test = alg_test_skcipher,
5315                 .suite = {
5316                         .cipher = __VECS(cast6_lrw_tv_template)
5317                 }
5318         }, {
5319                 .alg = "lrw(serpent)",
5320                 .generic_driver = "lrw(ecb(serpent-generic))",
5321                 .test = alg_test_skcipher,
5322                 .suite = {
5323                         .cipher = __VECS(serpent_lrw_tv_template)
5324                 }
5325         }, {
5326                 .alg = "lrw(twofish)",
5327                 .generic_driver = "lrw(ecb(twofish-generic))",
5328                 .test = alg_test_skcipher,
5329                 .suite = {
5330                         .cipher = __VECS(tf_lrw_tv_template)
5331                 }
5332         }, {
5333                 .alg = "lz4",
5334                 .test = alg_test_comp,
5335                 .fips_allowed = 1,
5336                 .suite = {
5337                         .comp = {
5338                                 .comp = __VECS(lz4_comp_tv_template),
5339                                 .decomp = __VECS(lz4_decomp_tv_template)
5340                         }
5341                 }
5342         }, {
5343                 .alg = "lz4hc",
5344                 .test = alg_test_comp,
5345                 .fips_allowed = 1,
5346                 .suite = {
5347                         .comp = {
5348                                 .comp = __VECS(lz4hc_comp_tv_template),
5349                                 .decomp = __VECS(lz4hc_decomp_tv_template)
5350                         }
5351                 }
5352         }, {
5353                 .alg = "lzo",
5354                 .test = alg_test_comp,
5355                 .fips_allowed = 1,
5356                 .suite = {
5357                         .comp = {
5358                                 .comp = __VECS(lzo_comp_tv_template),
5359                                 .decomp = __VECS(lzo_decomp_tv_template)
5360                         }
5361                 }
5362         }, {
5363                 .alg = "lzo-rle",
5364                 .test = alg_test_comp,
5365                 .fips_allowed = 1,
5366                 .suite = {
5367                         .comp = {
5368                                 .comp = __VECS(lzorle_comp_tv_template),
5369                                 .decomp = __VECS(lzorle_decomp_tv_template)
5370                         }
5371                 }
5372         }, {
5373                 .alg = "md4",
5374                 .test = alg_test_hash,
5375                 .suite = {
5376                         .hash = __VECS(md4_tv_template)
5377                 }
5378         }, {
5379                 .alg = "md5",
5380                 .test = alg_test_hash,
5381                 .suite = {
5382                         .hash = __VECS(md5_tv_template)
5383                 }
5384         }, {
5385                 .alg = "michael_mic",
5386                 .test = alg_test_hash,
5387                 .suite = {
5388                         .hash = __VECS(michael_mic_tv_template)
5389                 }
5390         }, {
5391                 .alg = "nhpoly1305",
5392                 .test = alg_test_hash,
5393                 .suite = {
5394                         .hash = __VECS(nhpoly1305_tv_template)
5395                 }
5396         }, {
5397                 .alg = "pcbc(fcrypt)",
5398                 .test = alg_test_skcipher,
5399                 .suite = {
5400                         .cipher = __VECS(fcrypt_pcbc_tv_template)
5401                 }
5402         }, {
5403                 .alg = "pkcs1pad(rsa,sha224)",
5404                 .test = alg_test_null,
5405                 .fips_allowed = 1,
5406         }, {
5407                 .alg = "pkcs1pad(rsa,sha256)",
5408                 .test = alg_test_akcipher,
5409                 .fips_allowed = 1,
5410                 .suite = {
5411                         .akcipher = __VECS(pkcs1pad_rsa_tv_template)
5412                 }
5413         }, {
5414                 .alg = "pkcs1pad(rsa,sha3-256)",
5415                 .test = alg_test_null,
5416                 .fips_allowed = 1,
5417         }, {
5418                 .alg = "pkcs1pad(rsa,sha3-384)",
5419                 .test = alg_test_null,
5420                 .fips_allowed = 1,
5421         }, {
5422                 .alg = "pkcs1pad(rsa,sha3-512)",
5423                 .test = alg_test_null,
5424                 .fips_allowed = 1,
5425         }, {
5426                 .alg = "pkcs1pad(rsa,sha384)",
5427                 .test = alg_test_null,
5428                 .fips_allowed = 1,
5429         }, {
5430                 .alg = "pkcs1pad(rsa,sha512)",
5431                 .test = alg_test_null,
5432                 .fips_allowed = 1,
5433         }, {
5434                 .alg = "poly1305",
5435                 .test = alg_test_hash,
5436                 .suite = {
5437                         .hash = __VECS(poly1305_tv_template)
5438                 }
5439         }, {
5440                 .alg = "polyval",
5441                 .test = alg_test_hash,
5442                 .suite = {
5443                         .hash = __VECS(polyval_tv_template)
5444                 }
5445         }, {
5446                 .alg = "rfc3686(ctr(aes))",
5447                 .test = alg_test_skcipher,
5448                 .fips_allowed = 1,
5449                 .suite = {
5450                         .cipher = __VECS(aes_ctr_rfc3686_tv_template)
5451                 }
5452         }, {
5453                 .alg = "rfc3686(ctr(sm4))",
5454                 .test = alg_test_skcipher,
5455                 .suite = {
5456                         .cipher = __VECS(sm4_ctr_rfc3686_tv_template)
5457                 }
5458         }, {
5459                 .alg = "rfc4106(gcm(aes))",
5460                 .generic_driver = "rfc4106(gcm_base(ctr(aes-generic),ghash-generic))",
5461                 .test = alg_test_aead,
5462                 .fips_allowed = 1,
5463                 .suite = {
5464                         .aead = {
5465                                 ____VECS(aes_gcm_rfc4106_tv_template),
5466                                 .einval_allowed = 1,
5467                                 .aad_iv = 1,
5468                         }
5469                 }
5470         }, {
5471                 .alg = "rfc4309(ccm(aes))",
5472                 .generic_driver = "rfc4309(ccm_base(ctr(aes-generic),cbcmac(aes-generic)))",
5473                 .test = alg_test_aead,
5474                 .fips_allowed = 1,
5475                 .suite = {
5476                         .aead = {
5477                                 ____VECS(aes_ccm_rfc4309_tv_template),
5478                                 .einval_allowed = 1,
5479                                 .aad_iv = 1,
5480                         }
5481                 }
5482         }, {
5483                 .alg = "rfc4543(gcm(aes))",
5484                 .generic_driver = "rfc4543(gcm_base(ctr(aes-generic),ghash-generic))",
5485                 .test = alg_test_aead,
5486                 .suite = {
5487                         .aead = {
5488                                 ____VECS(aes_gcm_rfc4543_tv_template),
5489                                 .einval_allowed = 1,
5490                                 .aad_iv = 1,
5491                         }
5492                 }
5493         }, {
5494                 .alg = "rfc7539(chacha20,poly1305)",
5495                 .test = alg_test_aead,
5496                 .suite = {
5497                         .aead = __VECS(rfc7539_tv_template)
5498                 }
5499         }, {
5500                 .alg = "rfc7539esp(chacha20,poly1305)",
5501                 .test = alg_test_aead,
5502                 .suite = {
5503                         .aead = {
5504                                 ____VECS(rfc7539esp_tv_template),
5505                                 .einval_allowed = 1,
5506                                 .aad_iv = 1,
5507                         }
5508                 }
5509         }, {
5510                 .alg = "rmd160",
5511                 .test = alg_test_hash,
5512                 .suite = {
5513                         .hash = __VECS(rmd160_tv_template)
5514                 }
5515         }, {
5516                 .alg = "rsa",
5517                 .test = alg_test_akcipher,
5518                 .fips_allowed = 1,
5519                 .suite = {
5520                         .akcipher = __VECS(rsa_tv_template)
5521                 }
5522         }, {
5523                 .alg = "sha1",
5524                 .test = alg_test_hash,
5525                 .fips_allowed = 1,
5526                 .suite = {
5527                         .hash = __VECS(sha1_tv_template)
5528                 }
5529         }, {
5530                 .alg = "sha224",
5531                 .test = alg_test_hash,
5532                 .fips_allowed = 1,
5533                 .suite = {
5534                         .hash = __VECS(sha224_tv_template)
5535                 }
5536         }, {
5537                 .alg = "sha256",
5538                 .test = alg_test_hash,
5539                 .fips_allowed = 1,
5540                 .suite = {
5541                         .hash = __VECS(sha256_tv_template)
5542                 }
5543         }, {
5544                 .alg = "sha3-224",
5545                 .test = alg_test_hash,
5546                 .fips_allowed = 1,
5547                 .suite = {
5548                         .hash = __VECS(sha3_224_tv_template)
5549                 }
5550         }, {
5551                 .alg = "sha3-256",
5552                 .test = alg_test_hash,
5553                 .fips_allowed = 1,
5554                 .suite = {
5555                         .hash = __VECS(sha3_256_tv_template)
5556                 }
5557         }, {
5558                 .alg = "sha3-384",
5559                 .test = alg_test_hash,
5560                 .fips_allowed = 1,
5561                 .suite = {
5562                         .hash = __VECS(sha3_384_tv_template)
5563                 }
5564         }, {
5565                 .alg = "sha3-512",
5566                 .test = alg_test_hash,
5567                 .fips_allowed = 1,
5568                 .suite = {
5569                         .hash = __VECS(sha3_512_tv_template)
5570                 }
5571         }, {
5572                 .alg = "sha384",
5573                 .test = alg_test_hash,
5574                 .fips_allowed = 1,
5575                 .suite = {
5576                         .hash = __VECS(sha384_tv_template)
5577                 }
5578         }, {
5579                 .alg = "sha512",
5580                 .test = alg_test_hash,
5581                 .fips_allowed = 1,
5582                 .suite = {
5583                         .hash = __VECS(sha512_tv_template)
5584                 }
5585         }, {
5586                 .alg = "sm2",
5587                 .test = alg_test_akcipher,
5588                 .suite = {
5589                         .akcipher = __VECS(sm2_tv_template)
5590                 }
5591         }, {
5592                 .alg = "sm3",
5593                 .test = alg_test_hash,
5594                 .suite = {
5595                         .hash = __VECS(sm3_tv_template)
5596                 }
5597         }, {
5598                 .alg = "streebog256",
5599                 .test = alg_test_hash,
5600                 .suite = {
5601                         .hash = __VECS(streebog256_tv_template)
5602                 }
5603         }, {
5604                 .alg = "streebog512",
5605                 .test = alg_test_hash,
5606                 .suite = {
5607                         .hash = __VECS(streebog512_tv_template)
5608                 }
5609         }, {
5610                 .alg = "vmac64(aes)",
5611                 .test = alg_test_hash,
5612                 .suite = {
5613                         .hash = __VECS(vmac64_aes_tv_template)
5614                 }
5615         }, {
5616                 .alg = "wp256",
5617                 .test = alg_test_hash,
5618                 .suite = {
5619                         .hash = __VECS(wp256_tv_template)
5620                 }
5621         }, {
5622                 .alg = "wp384",
5623                 .test = alg_test_hash,
5624                 .suite = {
5625                         .hash = __VECS(wp384_tv_template)
5626                 }
5627         }, {
5628                 .alg = "wp512",
5629                 .test = alg_test_hash,
5630                 .suite = {
5631                         .hash = __VECS(wp512_tv_template)
5632                 }
5633         }, {
5634                 .alg = "xcbc(aes)",
5635                 .test = alg_test_hash,
5636                 .suite = {
5637                         .hash = __VECS(aes_xcbc128_tv_template)
5638                 }
5639         }, {
5640                 .alg = "xcbc(sm4)",
5641                 .test = alg_test_hash,
5642                 .suite = {
5643                         .hash = __VECS(sm4_xcbc128_tv_template)
5644                 }
5645         }, {
5646                 .alg = "xchacha12",
5647                 .test = alg_test_skcipher,
5648                 .suite = {
5649                         .cipher = __VECS(xchacha12_tv_template)
5650                 },
5651         }, {
5652                 .alg = "xchacha20",
5653                 .test = alg_test_skcipher,
5654                 .suite = {
5655                         .cipher = __VECS(xchacha20_tv_template)
5656                 },
5657         }, {
5658                 .alg = "xctr(aes)",
5659                 .test = alg_test_skcipher,
5660                 .suite = {
5661                         .cipher = __VECS(aes_xctr_tv_template)
5662                 }
5663         }, {
5664                 .alg = "xts(aes)",
5665                 .generic_driver = "xts(ecb(aes-generic))",
5666                 .test = alg_test_skcipher,
5667                 .fips_allowed = 1,
5668                 .suite = {
5669                         .cipher = __VECS(aes_xts_tv_template)
5670                 }
5671         }, {
5672                 .alg = "xts(camellia)",
5673                 .generic_driver = "xts(ecb(camellia-generic))",
5674                 .test = alg_test_skcipher,
5675                 .suite = {
5676                         .cipher = __VECS(camellia_xts_tv_template)
5677                 }
5678         }, {
5679                 .alg = "xts(cast6)",
5680                 .generic_driver = "xts(ecb(cast6-generic))",
5681                 .test = alg_test_skcipher,
5682                 .suite = {
5683                         .cipher = __VECS(cast6_xts_tv_template)
5684                 }
5685         }, {
5686                 /* Same as xts(aes) except the key is stored in
5687                  * hardware secure memory which we reference by index
5688                  */
5689                 .alg = "xts(paes)",
5690                 .test = alg_test_null,
5691                 .fips_allowed = 1,
5692         }, {
5693                 .alg = "xts(serpent)",
5694                 .generic_driver = "xts(ecb(serpent-generic))",
5695                 .test = alg_test_skcipher,
5696                 .suite = {
5697                         .cipher = __VECS(serpent_xts_tv_template)
5698                 }
5699         }, {
5700                 .alg = "xts(sm4)",
5701                 .generic_driver = "xts(ecb(sm4-generic))",
5702                 .test = alg_test_skcipher,
5703                 .suite = {
5704                         .cipher = __VECS(sm4_xts_tv_template)
5705                 }
5706         }, {
5707                 .alg = "xts(twofish)",
5708                 .generic_driver = "xts(ecb(twofish-generic))",
5709                 .test = alg_test_skcipher,
5710                 .suite = {
5711                         .cipher = __VECS(tf_xts_tv_template)
5712                 }
5713         }, {
5714 #if IS_ENABLED(CONFIG_CRYPTO_PAES_S390)
5715                 .alg = "xts-paes-s390",
5716                 .fips_allowed = 1,
5717                 .test = alg_test_skcipher,
5718                 .suite = {
5719                         .cipher = __VECS(aes_xts_tv_template)
5720                 }
5721         }, {
5722 #endif
5723                 .alg = "xxhash64",
5724                 .test = alg_test_hash,
5725                 .fips_allowed = 1,
5726                 .suite = {
5727                         .hash = __VECS(xxhash64_tv_template)
5728                 }
5729         }, {
5730                 .alg = "zstd",
5731                 .test = alg_test_comp,
5732                 .fips_allowed = 1,
5733                 .suite = {
5734                         .comp = {
5735                                 .comp = __VECS(zstd_comp_tv_template),
5736                                 .decomp = __VECS(zstd_decomp_tv_template)
5737                         }
5738                 }
5739         }
5740 };
5741
5742 static void alg_check_test_descs_order(void)
5743 {
5744         int i;
5745
5746         for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
5747                 int diff = strcmp(alg_test_descs[i - 1].alg,
5748                                   alg_test_descs[i].alg);
5749
5750                 if (WARN_ON(diff > 0)) {
5751                         pr_warn("testmgr: alg_test_descs entries in wrong order: '%s' before '%s'\n",
5752                                 alg_test_descs[i - 1].alg,
5753                                 alg_test_descs[i].alg);
5754                 }
5755
5756                 if (WARN_ON(diff == 0)) {
5757                         pr_warn("testmgr: duplicate alg_test_descs entry: '%s'\n",
5758                                 alg_test_descs[i].alg);
5759                 }
5760         }
5761 }
5762
5763 static void alg_check_testvec_configs(void)
5764 {
5765         int i;
5766
5767         for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
5768                 WARN_ON(!valid_testvec_config(
5769                                 &default_cipher_testvec_configs[i]));
5770
5771         for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
5772                 WARN_ON(!valid_testvec_config(
5773                                 &default_hash_testvec_configs[i]));
5774 }
5775
5776 static void testmgr_onetime_init(void)
5777 {
5778         alg_check_test_descs_order();
5779         alg_check_testvec_configs();
5780
5781 #ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
5782         pr_warn("alg: extra crypto tests enabled.  This is intended for developer use only.\n");
5783 #endif
5784 }
5785
5786 static int alg_find_test(const char *alg)
5787 {
5788         int start = 0;
5789         int end = ARRAY_SIZE(alg_test_descs);
5790
5791         while (start < end) {
5792                 int i = (start + end) / 2;
5793                 int diff = strcmp(alg_test_descs[i].alg, alg);
5794
5795                 if (diff > 0) {
5796                         end = i;
5797                         continue;
5798                 }
5799
5800                 if (diff < 0) {
5801                         start = i + 1;
5802                         continue;
5803                 }
5804
5805                 return i;
5806         }
5807
5808         return -1;
5809 }
5810
5811 static int alg_fips_disabled(const char *driver, const char *alg)
5812 {
5813         pr_info("alg: %s (%s) is disabled due to FIPS\n", alg, driver);
5814
5815         return -ECANCELED;
5816 }
5817
5818 int alg_test(const char *driver, const char *alg, u32 type, u32 mask)
5819 {
5820         int i;
5821         int j;
5822         int rc;
5823
5824         if (!fips_enabled && notests) {
5825                 printk_once(KERN_INFO "alg: self-tests disabled\n");
5826                 return 0;
5827         }
5828
5829         DO_ONCE(testmgr_onetime_init);
5830
5831         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
5832                 char nalg[CRYPTO_MAX_ALG_NAME];
5833
5834                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5835                     sizeof(nalg))
5836                         return -ENAMETOOLONG;
5837
5838                 i = alg_find_test(nalg);
5839                 if (i < 0)
5840                         goto notest;
5841
5842                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5843                         goto non_fips_alg;
5844
5845                 rc = alg_test_cipher(alg_test_descs + i, driver, type, mask);
5846                 goto test_done;
5847         }
5848
5849         i = alg_find_test(alg);
5850         j = alg_find_test(driver);
5851         if (i < 0 && j < 0)
5852                 goto notest;
5853
5854         if (fips_enabled) {
5855                 if (j >= 0 && !alg_test_descs[j].fips_allowed)
5856                         return -EINVAL;
5857
5858                 if (i >= 0 && !alg_test_descs[i].fips_allowed)
5859                         goto non_fips_alg;
5860         }
5861
5862         rc = 0;
5863         if (i >= 0)
5864                 rc |= alg_test_descs[i].test(alg_test_descs + i, driver,
5865                                              type, mask);
5866         if (j >= 0 && j != i)
5867                 rc |= alg_test_descs[j].test(alg_test_descs + j, driver,
5868                                              type, mask);
5869
5870 test_done:
5871         if (rc) {
5872                 if (fips_enabled || panic_on_fail) {
5873                         fips_fail_notify();
5874                         panic("alg: self-tests for %s (%s) failed in %s mode!\n",
5875                               driver, alg,
5876                               fips_enabled ? "fips" : "panic_on_fail");
5877                 }
5878                 pr_warn("alg: self-tests for %s using %s failed (rc=%d)",
5879                         alg, driver, rc);
5880                 WARN(rc != -ENOENT,
5881                      "alg: self-tests for %s using %s failed (rc=%d)",
5882                      alg, driver, rc);
5883         } else {
5884                 if (fips_enabled)
5885                         pr_info("alg: self-tests for %s (%s) passed\n",
5886                                 driver, alg);
5887         }
5888
5889         return rc;
5890
5891 notest:
5892         if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_LSKCIPHER) {
5893                 char nalg[CRYPTO_MAX_ALG_NAME];
5894
5895                 if (snprintf(nalg, sizeof(nalg), "ecb(%s)", alg) >=
5896                     sizeof(nalg))
5897                         goto notest2;
5898
5899                 i = alg_find_test(nalg);
5900                 if (i < 0)
5901                         goto notest2;
5902
5903                 if (fips_enabled && !alg_test_descs[i].fips_allowed)
5904                         goto non_fips_alg;
5905
5906                 rc = alg_test_skcipher(alg_test_descs + i, driver, type, mask);
5907                 goto test_done;
5908         }
5909
5910 notest2:
5911         printk(KERN_INFO "alg: No test for %s (%s)\n", alg, driver);
5912
5913         if (type & CRYPTO_ALG_FIPS_INTERNAL)
5914                 return alg_fips_disabled(driver, alg);
5915
5916         return 0;
5917 non_fips_alg:
5918         return alg_fips_disabled(driver, alg);
5919 }
5920
5921 #endif /* CONFIG_CRYPTO_MANAGER_DISABLE_TESTS */
5922
5923 EXPORT_SYMBOL_GPL(alg_test);