New experimental EC implementation (P-256, only 32-bit multiplications, meant for...
[BearSSL] / src / ec / ec_prime_i31_secp521r1.c
1 /*
2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include "inner.h"
26
27 static const uint32_t P521_P[] = {
28 0x00000219,
29 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF,
30 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF,
31 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF,
32 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF,
33 0x01FFFFFF
34 };
35
36 static const uint32_t P521_B[] = {
37 0x00000219,
38 0x540FC00A, 0x228FEA35, 0x2C34F1EF, 0x67BF107A,
39 0x46FC1CD5, 0x1605E9DD, 0x6937B165, 0x272A3D8F,
40 0x42785586, 0x44C8C778, 0x15F3B8B4, 0x64B73366,
41 0x03BA8B69, 0x0D05B42A, 0x21F929A2, 0x2C31C393,
42 0x00654FAE
43 };
44
45 /* see inner.h */
46 const br_ec_prime_i31_curve br_ec_prime_i31_secp521r1 = {
47 P521_P,
48 P521_B,
49 0x00000001
50 };