68 lines
2.4 KiB
C
68 lines
2.4 KiB
C
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/**********************************************************************
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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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#include "bench.h"
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typedef struct {
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secp256k1_context *ctx;
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unsigned char msg[32];
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unsigned char key[32];
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unsigned char sig[72];
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size_t siglen;
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unsigned char pubkey[33];
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size_t pubkeylen;
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} benchmark_verify_t;
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static void benchmark_verify(void* arg) {
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int i;
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benchmark_verify_t* data = (benchmark_verify_t*)arg;
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for (i = 0; i < 20000; i++) {
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secp256k1_pubkey pubkey;
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secp256k1_ecdsa_signature sig;
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data->sig[data->siglen - 1] ^= (i & 0xFF);
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data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
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data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
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CHECK(secp256k1_ec_pubkey_parse(data->ctx, &pubkey, data->pubkey, data->pubkeylen) == 1);
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CHECK(secp256k1_ecdsa_signature_parse_der(data->ctx, &sig, data->sig, data->siglen) == 1);
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CHECK(secp256k1_ecdsa_verify(data->ctx, &sig, data->msg, &pubkey) == (i == 0));
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data->sig[data->siglen - 1] ^= (i & 0xFF);
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data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF);
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data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF);
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}
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}
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int main(void) {
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int i;
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secp256k1_pubkey pubkey;
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secp256k1_ecdsa_signature sig;
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benchmark_verify_t data;
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data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
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for (i = 0; i < 32; i++) {
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data.msg[i] = 1 + i;
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}
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for (i = 0; i < 32; i++) {
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data.key[i] = 33 + i;
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}
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data.siglen = 72;
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CHECK(secp256k1_ecdsa_sign(data.ctx, &sig, data.msg, data.key, NULL, NULL));
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CHECK(secp256k1_ecdsa_signature_serialize_der(data.ctx, data.sig, &data.siglen, &sig));
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CHECK(secp256k1_ec_pubkey_create(data.ctx, &pubkey, data.key));
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CHECK(secp256k1_ec_pubkey_serialize(data.ctx, data.pubkey, &data.pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED) == 1);
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run_benchmark("ecdsa_verify", benchmark_verify, NULL, NULL, &data, 10, 20000);
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secp256k1_context_destroy(data.ctx);
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return 0;
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}
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