_ Git - BearSSL/blob - 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 };