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trezor-firmware/nist256p1.c
Jochen Hoenicke f2081d88d8 New jacobian_add that handles doubling.
Fix bug where jacobian_add is called with two identical points.
2015-08-05 21:23:04 +02:00

56 lines
2.0 KiB
C

/**
* Copyright (c) 2013-2014 Tomas Dzetkulic
* Copyright (c) 2013-2014 Pavol Rusnak
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#include "nist256p1.h"
const ecdsa_curve nist256p1 = {
/* .prime */ {
/*.val =*/ {0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3f, 0x0, 0x0, 0x1000, 0x3fffc000, 0xffff}
},
/* G */ {
/*.x =*/{/*.val =*/{0x1898c296, 0x1284e517, 0x1eb33a0f, 0xdf604b, 0x2440f277, 0x339b958e, 0x4247f8b, 0x347cb84b, 0x6b17}},
/*.y =*/{/*.val =*/{0x37bf51f5, 0x2ed901a0, 0x3315ecec, 0x338cd5da, 0xf9e162b, 0x1fad29f0, 0x27f9b8ee, 0x10b8bf86, 0x4fe3}}
},
/* order */ {
/*.val =*/{0x3c632551, 0xee72b0b, 0x3179e84f, 0x39beab69, 0x3fffffbc, 0x3fffffff, 0xfff, 0x3fffc000, 0xffff}
},
/* order_half */ {
/*.val =*/{0x3e3192a8, 0x27739585, 0x38bcf427, 0x1cdf55b4, 0x3fffffde, 0x3fffffff, 0x7ff, 0x3fffe000, 0x7fff}
},
/* a */ -3,
/* b */ {
/*.val =*/{0x27d2604b, 0x2f38f0f8, 0x53b0f63, 0x741ac33, 0x1886bc65, 0x2ef555da, 0x293e7b3e, 0xd762a8e, 0x5ac6}
}
#if USE_PRECOMPUTED_CP
,
/* cp */ {
#include "nist256p1.table"
}
#endif
};