_ Git - BearSSL/blob - ec_prime_i31_secp256r1.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 P256_P[] = {
  28         0x00000108,
  29         0x7FFFFFFF, 0x7FFFFFFF, 0x7FFFFFFF, 0x00000007,
  30         0x00000000, 0x00000000, 0x00000040, 0x7FFFFF80,
  31         0x000000FF
  32 };
  33
  34 static const uint32_t P256_B[] = {
  35         0x00000108,
  36         0x6FEE1803, 0x6229C4BD, 0x21B139BE, 0x327150AA,
  37         0x3567802E, 0x3F7212ED, 0x012E4355, 0x782DD38D,
  38         0x0000000E
  39 };
  40
  41 /* see inner.h */
  42 const br_ec_prime_i31_curve br_ec_prime_i31_secp256r1 = {
  43         P256_P,
  44         P256_B,
  45         0x00000001
  46 };