1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Definitions of EC-RDSA Curve Parameters
5 * Copyright (c) 2019 Vitaly Chikunov <vt@altlinux.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the Free
9 * Software Foundation; either version 2 of the License, or (at your option)
13 #ifndef _CRYTO_ECRDSA_DEFS_H
14 #define _CRYTO_ECRDSA_DEFS_H
18 #define ECRDSA_MAX_SIG_SIZE (2 * 512 / 8)
19 #define ECRDSA_MAX_DIGITS (512 / 64)
22 * EC-RDSA uses its own set of curves.
24 * cp256{a,b,c} curves first defined for GOST R 34.10-2001 in RFC 4357 (as
25 * 256-bit {A,B,C}-ParamSet), but inherited for GOST R 34.10-2012 and
26 * proposed for use in R 50.1.114-2016 and RFC 7836 as the 256-bit curves.
28 /* OID_gostCPSignA 1.2.643.2.2.35.1 */
29 static u64 cp256a_g_x[] = {
30 0x0000000000000001ull, 0x0000000000000000ull,
31 0x0000000000000000ull, 0x0000000000000000ull, };
32 static u64 cp256a_g_y[] = {
33 0x22ACC99C9E9F1E14ull, 0x35294F2DDF23E3B1ull,
34 0x27DF505A453F2B76ull, 0x8D91E471E0989CDAull, };
35 static u64 cp256a_p[] = { /* p = 2^256 - 617 */
36 0xFFFFFFFFFFFFFD97ull, 0xFFFFFFFFFFFFFFFFull,
37 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull };
38 static u64 cp256a_n[] = {
39 0x45841B09B761B893ull, 0x6C611070995AD100ull,
40 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull };
41 static u64 cp256a_a[] = { /* a = p - 3 */
42 0xFFFFFFFFFFFFFD94ull, 0xFFFFFFFFFFFFFFFFull,
43 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull };
44 static u64 cp256a_b[] = {
45 0x00000000000000a6ull, 0x0000000000000000ull,
46 0x0000000000000000ull, 0x0000000000000000ull };
48 static struct ecc_curve gost_cp256a = {
61 /* OID_gostCPSignB 1.2.643.2.2.35.2 */
62 static u64 cp256b_g_x[] = {
63 0x0000000000000001ull, 0x0000000000000000ull,
64 0x0000000000000000ull, 0x0000000000000000ull, };
65 static u64 cp256b_g_y[] = {
66 0x744BF8D717717EFCull, 0xC545C9858D03ECFBull,
67 0xB83D1C3EB2C070E5ull, 0x3FA8124359F96680ull, };
68 static u64 cp256b_p[] = { /* p = 2^255 + 3225 */
69 0x0000000000000C99ull, 0x0000000000000000ull,
70 0x0000000000000000ull, 0x8000000000000000ull, };
71 static u64 cp256b_n[] = {
72 0xE497161BCC8A198Full, 0x5F700CFFF1A624E5ull,
73 0x0000000000000001ull, 0x8000000000000000ull, };
74 static u64 cp256b_a[] = { /* a = p - 3 */
75 0x0000000000000C96ull, 0x0000000000000000ull,
76 0x0000000000000000ull, 0x8000000000000000ull, };
77 static u64 cp256b_b[] = {
78 0x2F49D4CE7E1BBC8Bull, 0xE979259373FF2B18ull,
79 0x66A7D3C25C3DF80Aull, 0x3E1AF419A269A5F8ull, };
81 static struct ecc_curve gost_cp256b = {
94 /* OID_gostCPSignC 1.2.643.2.2.35.3 */
95 static u64 cp256c_g_x[] = {
96 0x0000000000000000ull, 0x0000000000000000ull,
97 0x0000000000000000ull, 0x0000000000000000ull, };
98 static u64 cp256c_g_y[] = {
99 0x366E550DFDB3BB67ull, 0x4D4DC440D4641A8Full,
100 0x3CBF3783CD08C0EEull, 0x41ECE55743711A8Cull, };
101 static u64 cp256c_p[] = {
102 0x7998F7B9022D759Bull, 0xCF846E86789051D3ull,
103 0xAB1EC85E6B41C8AAull, 0x9B9F605F5A858107ull,
104 /* pre-computed value for Barrett's reduction */
105 0xedc283cdd217b5a2ull, 0xbac48fc06398ae59ull,
106 0x405384d55f9f3b73ull, 0xa51f176161f1d734ull,
107 0x0000000000000001ull, };
108 static u64 cp256c_n[] = {
109 0xF02F3A6598980BB9ull, 0x582CA3511EDDFB74ull,
110 0xAB1EC85E6B41C8AAull, 0x9B9F605F5A858107ull, };
111 static u64 cp256c_a[] = { /* a = p - 3 */
112 0x7998F7B9022D7598ull, 0xCF846E86789051D3ull,
113 0xAB1EC85E6B41C8AAull, 0x9B9F605F5A858107ull, };
114 static u64 cp256c_b[] = {
115 0x000000000000805aull, 0x0000000000000000ull,
116 0x0000000000000000ull, 0x0000000000000000ull, };
118 static struct ecc_curve gost_cp256c = {
131 /* tc512{a,b} curves first recommended in 2013 and then standardized in
132 * R 50.1.114-2016 and RFC 7836 for use with GOST R 34.10-2012 (as TC26
133 * 512-bit ParamSet{A,B}).
135 /* OID_gostTC26Sign512A 1.2.643.7.1.2.1.2.1 */
136 static u64 tc512a_g_x[] = {
137 0x0000000000000003ull, 0x0000000000000000ull,
138 0x0000000000000000ull, 0x0000000000000000ull,
139 0x0000000000000000ull, 0x0000000000000000ull,
140 0x0000000000000000ull, 0x0000000000000000ull, };
141 static u64 tc512a_g_y[] = {
142 0x89A589CB5215F2A4ull, 0x8028FE5FC235F5B8ull,
143 0x3D75E6A50E3A41E9ull, 0xDF1626BE4FD036E9ull,
144 0x778064FDCBEFA921ull, 0xCE5E1C93ACF1ABC1ull,
145 0xA61B8816E25450E6ull, 0x7503CFE87A836AE3ull, };
146 static u64 tc512a_p[] = { /* p = 2^512 - 569 */
147 0xFFFFFFFFFFFFFDC7ull, 0xFFFFFFFFFFFFFFFFull,
148 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull,
149 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull,
150 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull, };
151 static u64 tc512a_n[] = {
152 0xCACDB1411F10B275ull, 0x9B4B38ABFAD2B85Dull,
153 0x6FF22B8D4E056060ull, 0x27E69532F48D8911ull,
154 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull,
155 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull, };
156 static u64 tc512a_a[] = { /* a = p - 3 */
157 0xFFFFFFFFFFFFFDC4ull, 0xFFFFFFFFFFFFFFFFull,
158 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull,
159 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull,
160 0xFFFFFFFFFFFFFFFFull, 0xFFFFFFFFFFFFFFFFull, };
161 static u64 tc512a_b[] = {
162 0x503190785A71C760ull, 0x862EF9D4EBEE4761ull,
163 0x4CB4574010DA90DDull, 0xEE3CB090F30D2761ull,
164 0x79BD081CFD0B6265ull, 0x34B82574761CB0E8ull,
165 0xC1BD0B2B6667F1DAull, 0xE8C2505DEDFC86DDull, };
167 static struct ecc_curve gost_tc512a = {
180 /* OID_gostTC26Sign512B 1.2.643.7.1.2.1.2.2 */
181 static u64 tc512b_g_x[] = {
182 0x0000000000000002ull, 0x0000000000000000ull,
183 0x0000000000000000ull, 0x0000000000000000ull,
184 0x0000000000000000ull, 0x0000000000000000ull,
185 0x0000000000000000ull, 0x0000000000000000ull, };
186 static u64 tc512b_g_y[] = {
187 0x7E21340780FE41BDull, 0x28041055F94CEEECull,
188 0x152CBCAAF8C03988ull, 0xDCB228FD1EDF4A39ull,
189 0xBE6DD9E6C8EC7335ull, 0x3C123B697578C213ull,
190 0x2C071E3647A8940Full, 0x1A8F7EDA389B094Cull, };
191 static u64 tc512b_p[] = { /* p = 2^511 + 111 */
192 0x000000000000006Full, 0x0000000000000000ull,
193 0x0000000000000000ull, 0x0000000000000000ull,
194 0x0000000000000000ull, 0x0000000000000000ull,
195 0x0000000000000000ull, 0x8000000000000000ull, };
196 static u64 tc512b_n[] = {
197 0xC6346C54374F25BDull, 0x8B996712101BEA0Eull,
198 0xACFDB77BD9D40CFAull, 0x49A1EC142565A545ull,
199 0x0000000000000001ull, 0x0000000000000000ull,
200 0x0000000000000000ull, 0x8000000000000000ull, };
201 static u64 tc512b_a[] = { /* a = p - 3 */
202 0x000000000000006Cull, 0x0000000000000000ull,
203 0x0000000000000000ull, 0x0000000000000000ull,
204 0x0000000000000000ull, 0x0000000000000000ull,
205 0x0000000000000000ull, 0x8000000000000000ull, };
206 static u64 tc512b_b[] = {
207 0xFB8CCBC7C5140116ull, 0x50F78BEE1FA3106Eull,
208 0x7F8B276FAD1AB69Cull, 0x3E965D2DB1416D21ull,
209 0xBF85DC806C4B289Full, 0xB97C7D614AF138BCull,
210 0x7E3E06CF6F5E2517ull, 0x687D1B459DC84145ull, };
212 static struct ecc_curve gost_tc512b = {