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bitcoin-core/src/bench_sign.c
2014-12-20 14:36:13 +01:00

45 lines
1.4 KiB
C

/**********************************************************************
* Copyright (c) 2014 Pieter Wuille *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/
#include "include/secp256k1.h"
#include "util.h"
#include "bench.h"
typedef struct {
unsigned char msg[32];
unsigned char key[32];
} bench_sign_t;
static void bench_sign_setup(void* arg) {
bench_sign_t *data = (bench_sign_t*)arg;
for (int i = 0; i < 32; i++) data->msg[i] = i + 1;
for (int i = 0; i < 32; i++) data->key[i] = i + 65;
}
static void bench_sign(void* arg) {
bench_sign_t *data = (bench_sign_t*)arg;
unsigned char sig[64];
for (int i=0; i<20000; i++) {
int recid = 0;
secp256k1_ecdsa_sign_compact(data->msg, sig, data->key, NULL, NULL, &recid);
for (int j = 0; j < 32; j++) {
data->msg[j] = sig[j]; /* Move former R to message. */
data->key[j] = sig[j + 32]; /* Move former S to key. */
}
}
}
int main(void) {
secp256k1_start(SECP256K1_START_SIGN);
bench_sign_t data;
run_benchmark(bench_sign, bench_sign_setup, NULL, &data, 10, 20000);
secp256k1_stop();
return 0;
}