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 73