50 lines
1.7 KiB
C
50 lines
1.7 KiB
C
/**********************************************************************
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* Copyright (c) 2014 Pieter Wuille *
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* Distributed under the MIT software license, see the accompanying *
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* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
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**********************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include "include/secp256k1.h"
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#include "util.h"
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int main(void) {
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secp256k1_start(SECP256K1_START_SIGN);
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unsigned char msg[32];
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unsigned char nonce[32];
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unsigned char key[32];
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for (int i = 0; i < 32; i++) msg[i] = i + 1;
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for (int i = 0; i < 32; i++) nonce[i] = i + 33;
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for (int i = 0; i < 32; i++) key[i] = i + 65;
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unsigned char sig[64];
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for (int i=0; i<1000000; i++) {
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int recid = 0;
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CHECK(secp256k1_ecdsa_sign_compact(msg, 32, sig, key, nonce, &recid));
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for (int j = 0; j < 32; j++) {
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nonce[j] = key[j]; /* Move former key to nonce */
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msg[j] = sig[j]; /* Move former R to message. */
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key[j] = sig[j + 32]; /* Move former S to key. */
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}
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}
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static const unsigned char fini[64] = {
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0x92, 0x03, 0xef, 0xf1, 0x58, 0x0b, 0x49, 0x8d,
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0x22, 0x3d, 0x49, 0x0e, 0xbf, 0x26, 0x50, 0x0e,
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0x2d, 0x62, 0x90, 0xd7, 0x82, 0xbd, 0x3d, 0x5c,
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0xa9, 0x10, 0xa5, 0x49, 0xb1, 0xd8, 0x8c, 0xc0,
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0x5b, 0x5e, 0x9e, 0x68, 0x51, 0x3d, 0xe8, 0xec,
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0x82, 0x30, 0x82, 0x88, 0x8c, 0xfd, 0xe7, 0x71,
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0x15, 0x92, 0xfc, 0x14, 0x59, 0x78, 0x31, 0xb3,
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0xf6, 0x07, 0x91, 0x18, 0x00, 0x8d, 0x4c, 0xb2
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};
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CHECK(memcmp(sig, fini, 64) == 0);
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secp256k1_stop();
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return 0;
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}
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