mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-22 06:18:07 +00:00
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/**
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* Copyright (c) 2013 Pavol Rusnak
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
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* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <stdio.h>
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#include "bignum.h"
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#include "ecdsa.h"
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#include "sha2.h"
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bignum256 k;
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uint8_t kb[32];
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uint8_t priv[32] = {0xcc, 0xa9, 0xfb, 0xcc, 0x1b, 0x41, 0xe5, 0xa9, 0x5d, 0x36, 0x9e, 0xaa, 0x6d, 0xdc, 0xff, 0x73, 0xb6, 0x1a, 0x4e, 0xfa, 0xa2, 0x79, 0xcf, 0xc6, 0x56, 0x7e, 0x8d, 0xaa, 0x39, 0xcb, 0xaf, 0x50};
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uint8_t hash[32];
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void generate_k_rfc6979(bignum256 *k, const uint8_t *priv_key, const uint8_t *hash);
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int main()
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{
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int i;
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SHA256_Raw((uint8_t *)"sample", 6, hash);
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printf("hash : ");
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for (i = 0; i < 32; i++) printf("%02x", hash[i]); printf("\n");
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generate_k_rfc6979(&k, priv, hash);
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bn_write_be(&k, kb);
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printf("expected : 2df40ca70e639d89528a6b670d9d48d9165fdc0febc0974056bdce192b8e16a3\n");
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printf("got : ");
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for (i = 0; i < 32; i++) printf("%02x", kb[i]);
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printf("\n");
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return 0;
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}
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