crypto/ecc_curve_defs.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef _CRYTO_ECC_CURVE_DEFS_H
   3 #define _CRYTO_ECC_CURVE_DEFS_H
   4
   5 struct ecc_point {
   6         u64 *x;
   7         u64 *y;
   8         u8 ndigits;
   9 };
  10
  11 struct ecc_curve {
  12         char *name;
  13         struct ecc_point g;
  14         u64 *p;
  15         u64 *n;
  16         u64 *a;
  17         u64 *b;
  18 };
  19
  20 /* NIST P-192: a = p - 3 */
  21 static u64 nist_p192_g_x[] = { 0xF4FF0AFD82FF1012ull, 0x7CBF20EB43A18800ull,
  22                                 0x188DA80EB03090F6ull };
  23 static u64 nist_p192_g_y[] = { 0x73F977A11E794811ull, 0x631011ED6B24CDD5ull,
  24                                 0x07192B95FFC8DA78ull };
  25 static u64 nist_p192_p[] = { 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFEull,
  26                                 0xFFFFFFFFFFFFFFFFull };
  27 static u64 nist_p192_n[] = { 0x146BC9B1B4D22831ull, 0xFFFFFFFF99DEF836ull,
  28                                 0xFFFFFFFFFFFFFFFFull };
  29 static u64 nist_p192_a[] = { 0xFFFFFFFFFFFFFFFCull, 0xFFFFFFFFFFFFFFFEull,
  30                                 0xFFFFFFFFFFFFFFFFull };
  31 static u64 nist_p192_b[] = { 0xFEB8DEECC146B9B1ull, 0x0FA7E9AB72243049ull,
  32                                 0x64210519E59C80E7ull };
  33 static struct ecc_curve nist_p192 = {
  34         .name = "nist_192",
  35         .g = {
  36                 .x = nist_p192_g_x,
  37                 .y = nist_p192_g_y,
  38                 .ndigits = 3,
  39         },
  40         .p = nist_p192_p,
  41         .n = nist_p192_n,
  42         .a = nist_p192_a,
  43         .b = nist_p192_b
  44 };
  45
  46 /* NIST P-256: a = p - 3 */
  47 static u64 nist_p256_g_x[] = { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull,
  48                                 0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull };
  49 static u64 nist_p256_g_y[] = { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull,
  50                                 0x8EE7EB4A7C0F9E16ull, 0x4FE342E2FE1A7F9Bull };
  51 static u64 nist_p256_p[] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull,
  52                                 0x0000000000000000ull, 0xFFFFFFFF00000001ull };
  53 static u64 nist_p256_n[] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull,
  54                                 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
  55 static u64 nist_p256_a[] = { 0xFFFFFFFFFFFFFFFCull, 0x00000000FFFFFFFFull,
  56                                 0x0000000000000000ull, 0xFFFFFFFF00000001ull };
  57 static u64 nist_p256_b[] = { 0x3BCE3C3E27D2604Bull, 0x651D06B0CC53B0F6ull,
  58                                 0xB3EBBD55769886BCull, 0x5AC635D8AA3A93E7ull };
  59 static struct ecc_curve nist_p256 = {
  60         .name = "nist_256",
  61         .g = {
  62                 .x = nist_p256_g_x,
  63                 .y = nist_p256_g_y,
  64                 .ndigits = 4,
  65         },
  66         .p = nist_p256_p,
  67         .n = nist_p256_n,
  68         .a = nist_p256_a,
  69         .b = nist_p256_b
  70 };
  71
  72 #endif