#include "skein_base.h"
#include "skein_block.h"
-#ifndef SKEIN_USE_ASM
-#define SKEIN_USE_ASM (0) /* default is all C code (no ASM) */
-#endif
-
-#ifndef SKEIN_LOOP
-#define SKEIN_LOOP 001 /* default: unroll 256 and 512, but not 1024 */
-#endif
-
-#define BLK_BITS (WCNT * 64) /* some useful definitions for code here */
-#define KW_TWK_BASE (0)
-#define KW_KEY_BASE (3)
-#define ks (kw + KW_KEY_BASE)
-#define ts (kw + KW_TWK_BASE)
-
-#ifdef SKEIN_DEBUG
-#define debug_save_tweak(ctx) \
-{ \
- ctx->h.tweak[0] = ts[0]; \
- ctx->h.tweak[1] = ts[1]; \
-}
-#else
-#define debug_save_tweak(ctx)
-#endif
-
-#if !(SKEIN_USE_ASM & 256)
-#undef RCNT
-#define RCNT (SKEIN_256_ROUNDS_TOTAL / 8)
-#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
-#define SKEIN_UNROLL_256 (((SKEIN_LOOP) / 100) % 10)
-#else
-#define SKEIN_UNROLL_256 (0)
-#endif
-
-#if SKEIN_UNROLL_256
-#if (RCNT % SKEIN_UNROLL_256)
-#error "Invalid SKEIN_UNROLL_256" /* sanity check on unroll count */
-#endif
-#endif
-#define ROUND256(p0, p1, p2, p3, ROT, r_num) \
- do { \
- X##p0 += X##p1; \
- X##p1 = rol64(X##p1, ROT##_0); \
- X##p1 ^= X##p0; \
- X##p2 += X##p3; \
- X##p3 = rol64(X##p3, ROT##_1); \
- X##p3 ^= X##p2; \
- } while (0)
-
-#if SKEIN_UNROLL_256 == 0
-#define R256(p0, p1, p2, p3, ROT, r_num) /* fully unrolled */ \
- ROUND256(p0, p1, p2, p3, ROT, r_num)
-
-#define I256(R) \
- do { \
- /* inject the key schedule value */ \
- X0 += ks[((R) + 1) % 5]; \
- X1 += ks[((R) + 2) % 5] + ts[((R) + 1) % 3]; \
- X2 += ks[((R) + 3) % 5] + ts[((R) + 2) % 3]; \
- X3 += ks[((R) + 4) % 5] + (R) + 1; \
- } while (0)
-#else
-/* looping version */
-#define R256(p0, p1, p2, p3, ROT, r_num) ROUND256(p0, p1, p2, p3, ROT, r_num)
-
-#define I256(R) \
- do { \
- /* inject the key schedule value */ \
- X0 += ks[r + (R) + 0]; \
- X1 += ks[r + (R) + 1] + ts[r + (R) + 0];\
- X2 += ks[r + (R) + 2] + ts[r + (R) + 1];\
- X3 += ks[r + (R) + 3] + r + (R); \
- /* rotate key schedule */ \
- ks[r + (R) + 4] = ks[r + (R) - 1]; \
- ts[r + (R) + 2] = ts[r + (R) - 1]; \
- } while (0)
-#endif
-#define R256_8_ROUNDS(R) \
- do { \
- R256(0, 1, 2, 3, R_256_0, 8 * (R) + 1); \
- R256(0, 3, 2, 1, R_256_1, 8 * (R) + 2); \
- R256(0, 1, 2, 3, R_256_2, 8 * (R) + 3); \
- R256(0, 3, 2, 1, R_256_3, 8 * (R) + 4); \
- I256(2 * (R)); \
- R256(0, 1, 2, 3, R_256_4, 8 * (R) + 5); \
- R256(0, 3, 2, 1, R_256_5, 8 * (R) + 6); \
- R256(0, 1, 2, 3, R_256_6, 8 * (R) + 7); \
- R256(0, 3, 2, 1, R_256_7, 8 * (R) + 8); \
- I256(2 * (R) + 1); \
- } while (0)
-
-#define R256_UNROLL_R(NN) \
- ((SKEIN_UNROLL_256 == 0 && \
- SKEIN_256_ROUNDS_TOTAL / 8 > (NN)) || \
- (SKEIN_UNROLL_256 > (NN)))
-
-#if (SKEIN_UNROLL_256 > 14)
-#error "need more unrolling in skein_256_process_block"
-#endif
-#endif
-
-#if !(SKEIN_USE_ASM & 512)
-#undef RCNT
-#define RCNT (SKEIN_512_ROUNDS_TOTAL / 8)
-
-#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
-#define SKEIN_UNROLL_512 (((SKEIN_LOOP) / 10) % 10)
-#else
-#define SKEIN_UNROLL_512 (0)
-#endif
-
-#if SKEIN_UNROLL_512
-#if (RCNT % SKEIN_UNROLL_512)
-#error "Invalid SKEIN_UNROLL_512" /* sanity check on unroll count */
-#endif
-#endif
-#define ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
- do { \
- X##p0 += X##p1; \
- X##p1 = rol64(X##p1, ROT##_0); \
- X##p1 ^= X##p0; \
- X##p2 += X##p3; \
- X##p3 = rol64(X##p3, ROT##_1); \
- X##p3 ^= X##p2; \
- X##p4 += X##p5; \
- X##p5 = rol64(X##p5, ROT##_2); \
- X##p5 ^= X##p4; \
- X##p6 += X##p7; \
- X##p7 = rol64(X##p7, ROT##_3); \
- X##p7 ^= X##p6; \
- } while (0)
-
-#if SKEIN_UNROLL_512 == 0
-#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) /* unrolled */ \
- ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num)
-
-#define I512(R) \
- do { \
- /* inject the key schedule value */ \
- X0 += ks[((R) + 1) % 9]; \
- X1 += ks[((R) + 2) % 9]; \
- X2 += ks[((R) + 3) % 9]; \
- X3 += ks[((R) + 4) % 9]; \
- X4 += ks[((R) + 5) % 9]; \
- X5 += ks[((R) + 6) % 9] + ts[((R) + 1) % 3]; \
- X6 += ks[((R) + 7) % 9] + ts[((R) + 2) % 3]; \
- X7 += ks[((R) + 8) % 9] + (R) + 1; \
- } while (0)
-
-#else /* looping version */
-#define R512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
- ROUND512(p0, p1, p2, p3, p4, p5, p6, p7, ROT, r_num) \
-
-#define I512(R) \
- do { \
- /* inject the key schedule value */ \
- X0 += ks[r + (R) + 0]; \
- X1 += ks[r + (R) + 1]; \
- X2 += ks[r + (R) + 2]; \
- X3 += ks[r + (R) + 3]; \
- X4 += ks[r + (R) + 4]; \
- X5 += ks[r + (R) + 5] + ts[r + (R) + 0]; \
- X6 += ks[r + (R) + 6] + ts[r + (R) + 1]; \
- X7 += ks[r + (R) + 7] + r + (R); \
- /* rotate key schedule */ \
- ks[r + (R) + 8] = ks[r + (R) - 1]; \
- ts[r + (R) + 2] = ts[r + (R) - 1]; \
- } while (0)
-#endif /* end of looped code definitions */
-#define R512_8_ROUNDS(R) /* do 8 full rounds */ \
- do { \
- R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_0, 8 * (R) + 1); \
- R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_1, 8 * (R) + 2); \
- R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_2, 8 * (R) + 3); \
- R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_3, 8 * (R) + 4); \
- I512(2 * (R)); \
- R512(0, 1, 2, 3, 4, 5, 6, 7, R_512_4, 8 * (R) + 5); \
- R512(2, 1, 4, 7, 6, 5, 0, 3, R_512_5, 8 * (R) + 6); \
- R512(4, 1, 6, 3, 0, 5, 2, 7, R_512_6, 8 * (R) + 7); \
- R512(6, 1, 0, 7, 2, 5, 4, 3, R_512_7, 8 * (R) + 8); \
- I512(2 * (R) + 1); /* and key injection */ \
- } while (0)
-#define R512_UNROLL_R(NN) \
- ((SKEIN_UNROLL_512 == 0 && \
- SKEIN_512_ROUNDS_TOTAL / 8 > (NN)) || \
- (SKEIN_UNROLL_512 > (NN)))
-
-#if (SKEIN_UNROLL_512 > 14)
-#error "need more unrolling in skein_512_process_block"
-#endif
-#endif
-
-#if !(SKEIN_USE_ASM & 1024)
-#undef RCNT
-#define RCNT (SKEIN_1024_ROUNDS_TOTAL / 8)
-#ifdef SKEIN_LOOP /* configure how much to unroll the loop */
-#define SKEIN_UNROLL_1024 ((SKEIN_LOOP) % 10)
-#else
-#define SKEIN_UNROLL_1024 (0)
-#endif
-
-#if (SKEIN_UNROLL_1024 != 0)
-#if (RCNT % SKEIN_UNROLL_1024)
-#error "Invalid SKEIN_UNROLL_1024" /* sanity check on unroll count */
-#endif
-#endif
-#define ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
- pF, ROT, r_num) \
- do { \
- X##p0 += X##p1; \
- X##p1 = rol64(X##p1, ROT##_0); \
- X##p1 ^= X##p0; \
- X##p2 += X##p3; \
- X##p3 = rol64(X##p3, ROT##_1); \
- X##p3 ^= X##p2; \
- X##p4 += X##p5; \
- X##p5 = rol64(X##p5, ROT##_2); \
- X##p5 ^= X##p4; \
- X##p6 += X##p7; \
- X##p7 = rol64(X##p7, ROT##_3); \
- X##p7 ^= X##p6; \
- X##p8 += X##p9; \
- X##p9 = rol64(X##p9, ROT##_4); \
- X##p9 ^= X##p8; \
- X##pA += X##pB; \
- X##pB = rol64(X##pB, ROT##_5); \
- X##pB ^= X##pA; \
- X##pC += X##pD; \
- X##pD = rol64(X##pD, ROT##_6); \
- X##pD ^= X##pC; \
- X##pE += X##pF; \
- X##pF = rol64(X##pF, ROT##_7); \
- X##pF ^= X##pE; \
- } while (0)
-
-#if SKEIN_UNROLL_1024 == 0
-#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
- ROT, rn) \
- ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
- pF, ROT, rn) \
-
-#define I1024(R) \
- do { \
- /* inject the key schedule value */ \
- X00 += ks[((R) + 1) % 17]; \
- X01 += ks[((R) + 2) % 17]; \
- X02 += ks[((R) + 3) % 17]; \
- X03 += ks[((R) + 4) % 17]; \
- X04 += ks[((R) + 5) % 17]; \
- X05 += ks[((R) + 6) % 17]; \
- X06 += ks[((R) + 7) % 17]; \
- X07 += ks[((R) + 8) % 17]; \
- X08 += ks[((R) + 9) % 17]; \
- X09 += ks[((R) + 10) % 17]; \
- X10 += ks[((R) + 11) % 17]; \
- X11 += ks[((R) + 12) % 17]; \
- X12 += ks[((R) + 13) % 17]; \
- X13 += ks[((R) + 14) % 17] + ts[((R) + 1) % 3]; \
- X14 += ks[((R) + 15) % 17] + ts[((R) + 2) % 3]; \
- X15 += ks[((R) + 16) % 17] + (R) + 1; \
- } while (0)
-#else /* looping version */
-#define R1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, pF, \
- ROT, rn) \
- ROUND1024(p0, p1, p2, p3, p4, p5, p6, p7, p8, p9, pA, pB, pC, pD, pE, \
- pF, ROT, rn) \
-
-#define I1024(R) \
- do { \
- /* inject the key schedule value */ \
- X00 += ks[r + (R) + 0]; \
- X01 += ks[r + (R) + 1]; \
- X02 += ks[r + (R) + 2]; \
- X03 += ks[r + (R) + 3]; \
- X04 += ks[r + (R) + 4]; \
- X05 += ks[r + (R) + 5]; \
- X06 += ks[r + (R) + 6]; \
- X07 += ks[r + (R) + 7]; \
- X08 += ks[r + (R) + 8]; \
- X09 += ks[r + (R) + 9]; \
- X10 += ks[r + (R) + 10]; \
- X11 += ks[r + (R) + 11]; \
- X12 += ks[r + (R) + 12]; \
- X13 += ks[r + (R) + 13] + ts[r + (R) + 0]; \
- X14 += ks[r + (R) + 14] + ts[r + (R) + 1]; \
- X15 += ks[r + (R) + 15] + r + (R); \
- /* rotate key schedule */ \
- ks[r + (R) + 16] = ks[r + (R) - 1]; \
- ts[r + (R) + 2] = ts[r + (R) - 1]; \
- } while (0)
-
-#endif
-#define R1024_8_ROUNDS(R) \
- do { \
- R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
- 13, 14, 15, R1024_0, 8 * (R) + 1); \
- R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
- 05, 08, 01, R1024_1, 8 * (R) + 2); \
- R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
- 11, 10, 09, R1024_2, 8 * (R) + 3); \
- R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
- 03, 12, 07, R1024_3, 8 * (R) + 4); \
- I1024(2 * (R)); \
- R1024(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12, \
- 13, 14, 15, R1024_4, 8 * (R) + 5); \
- R1024(00, 09, 02, 13, 06, 11, 04, 15, 10, 07, 12, 03, 14, \
- 05, 08, 01, R1024_5, 8 * (R) + 6); \
- R1024(00, 07, 02, 05, 04, 03, 06, 01, 12, 15, 14, 13, 08, \
- 11, 10, 09, R1024_6, 8 * (R) + 7); \
- R1024(00, 15, 02, 11, 06, 13, 04, 09, 14, 01, 08, 05, 10, \
- 03, 12, 07, R1024_7, 8 * (R) + 8); \
- I1024(2 * (R) + 1); \
- } while (0)
-
-#define R1024_UNROLL_R(NN) \
- ((SKEIN_UNROLL_1024 == 0 && \
- SKEIN_1024_ROUNDS_TOTAL / 8 > (NN)) || \
- (SKEIN_UNROLL_1024 > (NN)))
-
-#if (SKEIN_UNROLL_1024 > 14)
-#error "need more unrolling in Skein_1024_Process_Block"
-#endif
-#endif
-
/***************************** SKEIN_256 ******************************/
#if !(SKEIN_USE_ASM & 256)
void skein_256_process_block(struct skein_256_ctx *ctx, const u8 *blk_ptr,
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