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/**********************************************************************
* 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 <stdio.h>
#include <string.h>
#include "include/secp256k1.h"
#include "util.h"
#include "bench.h"
typedef struct {
unsigned char msg[32];
unsigned char key[32];
unsigned char nonce[32];
unsigned char sig[72];
int siglen;
unsigned char pubkey[33];
int pubkeylen;
} benchmark_verify_t;
static void benchmark_verify(void* arg) {
benchmark_verify_t* data = (benchmark_verify_t*)arg;
for (int i=0; i<20000; i++) {
data->sig[data->siglen - 1] ^= (i & 0xFF);
data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
CHECK(secp256k1_ecdsa_verify(data->msg, data->sig, data->siglen, data->pubkey, data->pubkeylen) == (i == 0));
data->sig[data->siglen - 1] ^= (i & 0xFF);
data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
}
}
int main(void) {
secp256k1_start(SECP256K1_START_VERIFY | SECP256K1_START_SIGN);
benchmark_verify_t data;
for (int i = 0; i < 32; i++) data.msg[i] = 1 + i;
for (int i = 0; i < 32; i++) data.key[i] = 33 + i;
for (int i = 0; i < 32; i++) data.nonce[i] = 65 + i;
data.siglen = 72;
CHECK(secp256k1_ecdsa_sign(data.msg, data.sig, &data.siglen, data.key, data.nonce));
data.pubkeylen = 33;
CHECK(secp256k1_ec_pubkey_create(data.pubkey, &data.pubkeylen, data.key, 1));
run_benchmark(benchmark_verify, NULL, NULL, &data, 10, 20000);
secp256k1_stop();
return 0;
}
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