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schnorrsig: Add benchmark for sign and verify
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jonasnick committed Sep 6, 2020
1 parent 4e43520 commit 8dfd53e
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102 changes: 102 additions & 0 deletions src/bench_schnorrsig.c
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/**********************************************************************
* Copyright (c) 2018-2020 Andrew Poelstra, Jonas Nick *
* Distributed under the MIT software license, see the accompanying *
* file COPYING or http://www.opensource.org/licenses/mit-license.php.*
**********************************************************************/

#include <string.h>
#include <stdlib.h>


#include "include/secp256k1.h"
#include "include/secp256k1_schnorrsig.h"
#include "util.h"
#include "bench.h"

typedef struct {
secp256k1_context *ctx;
int n;

const secp256k1_keypair **keypairs;
const unsigned char **pk;
const unsigned char **sigs;
const unsigned char **msgs;
} bench_schnorrsig_data;

void bench_schnorrsig_sign(void* arg, int iters) {
bench_schnorrsig_data *data = (bench_schnorrsig_data *)arg;
int i;
unsigned char msg[32] = "benchmarkexamplemessagetemplate";
unsigned char sig[64];

for (i = 0; i < iters; i++) {
msg[0] = i;
msg[1] = i >> 8;
CHECK(secp256k1_schnorrsig_sign(data->ctx, sig, msg, data->keypairs[i], NULL, NULL));
}
}

void bench_schnorrsig_verify(void* arg, int iters) {
bench_schnorrsig_data *data = (bench_schnorrsig_data *)arg;
int i;

for (i = 0; i < iters; i++) {
secp256k1_xonly_pubkey pk;
CHECK(secp256k1_xonly_pubkey_parse(data->ctx, &pk, data->pk[i]) == 1);
CHECK(secp256k1_schnorrsig_verify(data->ctx, data->sigs[i], data->msgs[i], &pk));
}
}

int main(void) {
int i;
bench_schnorrsig_data data;
int iters = get_iters(10000);

data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY | SECP256K1_CONTEXT_SIGN);
data.keypairs = (const secp256k1_keypair **)malloc(iters * sizeof(secp256k1_keypair *));
data.pk = (const unsigned char **)malloc(iters * sizeof(unsigned char *));
data.msgs = (const unsigned char **)malloc(iters * sizeof(unsigned char *));
data.sigs = (const unsigned char **)malloc(iters * sizeof(unsigned char *));

for (i = 0; i < iters; i++) {
unsigned char sk[32];
unsigned char *msg = (unsigned char *)malloc(32);
unsigned char *sig = (unsigned char *)malloc(64);
secp256k1_keypair *keypair = (secp256k1_keypair *)malloc(sizeof(*keypair));
unsigned char *pk_char = (unsigned char *)malloc(32);
secp256k1_xonly_pubkey pk;
msg[0] = sk[0] = i;
msg[1] = sk[1] = i >> 8;
msg[2] = sk[2] = i >> 16;
msg[3] = sk[3] = i >> 24;
memset(&msg[4], 'm', 28);
memset(&sk[4], 's', 28);

data.keypairs[i] = keypair;
data.pk[i] = pk_char;
data.msgs[i] = msg;
data.sigs[i] = sig;

CHECK(secp256k1_keypair_create(data.ctx, keypair, sk));
CHECK(secp256k1_schnorrsig_sign(data.ctx, sig, msg, keypair, NULL, NULL));
CHECK(secp256k1_keypair_xonly_pub(data.ctx, &pk, NULL, keypair));
CHECK(secp256k1_xonly_pubkey_serialize(data.ctx, pk_char, &pk) == 1);
}

run_benchmark("schnorrsig_sign", bench_schnorrsig_sign, NULL, NULL, (void *) &data, 10, iters);
run_benchmark("schnorrsig_verify", bench_schnorrsig_verify, NULL, NULL, (void *) &data, 10, iters);

for (i = 0; i < iters; i++) {
free((void *)data.keypairs[i]);
free((void *)data.pk[i]);
free((void *)data.msgs[i]);
free((void *)data.sigs[i]);
}
free(data.keypairs);
free(data.pk);
free(data.msgs);
free(data.sigs);

secp256k1_context_destroy(data.ctx);
return 0;
}
7 changes: 6 additions & 1 deletion src/modules/schnorrsig/Makefile.am.include
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include_HEADERS += include/secp256k1_schnorrsig.h
noinst_HEADERS += src/modules/schnorrsig/main_impl.h
noinst_HEADERS += src/modules/schnorrsig/tests_impl.h
noinst_HEADERS += src/modules/schnorrsig/tests_impl.h
if USE_BENCHMARK
noinst_PROGRAMS += bench_schnorrsig
bench_schnorrsig_SOURCES = src/bench_schnorrsig.c
bench_schnorrsig_LDADD = libsecp256k1.la $(SECP_LIBS) $(COMMON_LIB)
endif

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