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 };
  17
  18 /* NIST P-192 */
  19 static u64 nist_p192_g_x[] = { 0xF4FF0AFD82FF1012ull, 0x7CBF20EB43A18800ull,
  20                                 0x188DA80EB03090F6ull };
  21 static u64 nist_p192_g_y[] = { 0x73F977A11E794811ull, 0x631011ED6B24CDD5ull,
  22                                 0x07192B95FFC8DA78ull };
  23 static u64 nist_p192_p[] = { 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFEull,
  24                                 0xFFFFFFFFFFFFFFFFull };
  25 static u64 nist_p192_n[] = { 0x146BC9B1B4D22831ull, 0xFFFFFFFF99DEF836ull,
  26                                 0xFFFFFFFFFFFFFFFFull };
  27 static struct ecc_curve nist_p192 = {
  28         .name = "nist_192",
  29         .g = {
  30                 .x = nist_p192_g_x,
  31                 .y = nist_p192_g_y,
  32                 .ndigits = 3,
  33         },
  34         .p = nist_p192_p,
  35         .n = nist_p192_n
  36 };
  37
  38 /* NIST P-256 */
  39 static u64 nist_p256_g_x[] = { 0xF4A13945D898C296ull, 0x77037D812DEB33A0ull,
  40                                 0xF8BCE6E563A440F2ull, 0x6B17D1F2E12C4247ull };
  41 static u64 nist_p256_g_y[] = { 0xCBB6406837BF51F5ull, 0x2BCE33576B315ECEull,
  42                                 0x8EE7EB4A7C0F9E16ull, 0x4FE342E2FE1A7F9Bull };
  43 static u64 nist_p256_p[] = { 0xFFFFFFFFFFFFFFFFull, 0x00000000FFFFFFFFull,
  44                                 0x0000000000000000ull, 0xFFFFFFFF00000001ull };
  45 static u64 nist_p256_n[] = { 0xF3B9CAC2FC632551ull, 0xBCE6FAADA7179E84ull,
  46                                 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFF00000000ull };
  47 static struct ecc_curve nist_p256 = {
  48         .name = "nist_256",
  49         .g = {
  50                 .x = nist_p256_g_x,
  51                 .y = nist_p256_g_y,
  52                 .ndigits = 4,
  53         },
  54         .p = nist_p256_p,
  55         .n = nist_p256_n
  56 };
  57
  58 #endif