diff options
Diffstat (limited to 'vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/bench_verify.c')
-rw-r--r-- | vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/bench_verify.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/bench_verify.c b/vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/bench_verify.c new file mode 100644 index 000000000..418defa0a --- /dev/null +++ b/vendor/github.com/ethereum/go-ethereum/crypto/secp256k1/libsecp256k1/src/bench_verify.c @@ -0,0 +1,112 @@ +/********************************************************************** + * 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" + +#ifdef ENABLE_OPENSSL_TESTS +#include <openssl/bn.h> +#include <openssl/ecdsa.h> +#include <openssl/obj_mac.h> +#endif + +typedef struct { + secp256k1_context *ctx; + unsigned char msg[32]; + unsigned char key[32]; + unsigned char sig[72]; + size_t siglen; + unsigned char pubkey[33]; + size_t pubkeylen; +#ifdef ENABLE_OPENSSL_TESTS + EC_GROUP* ec_group; +#endif +} benchmark_verify_t; + +static void benchmark_verify(void* arg) { + int i; + benchmark_verify_t* data = (benchmark_verify_t*)arg; + + for (i = 0; i < 20000; i++) { + secp256k1_pubkey pubkey; + secp256k1_ecdsa_signature sig; + 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_ec_pubkey_parse(data->ctx, &pubkey, data->pubkey, data->pubkeylen) == 1); + CHECK(secp256k1_ecdsa_signature_parse_der(data->ctx, &sig, data->sig, data->siglen) == 1); + CHECK(secp256k1_ecdsa_verify(data->ctx, &sig, data->msg, &pubkey) == (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); + } +} + +#ifdef ENABLE_OPENSSL_TESTS +static void benchmark_verify_openssl(void* arg) { + int i; + benchmark_verify_t* data = (benchmark_verify_t*)arg; + + for (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); + { + EC_KEY *pkey = EC_KEY_new(); + const unsigned char *pubkey = &data->pubkey[0]; + int result; + + CHECK(pkey != NULL); + result = EC_KEY_set_group(pkey, data->ec_group); + CHECK(result); + result = (o2i_ECPublicKey(&pkey, &pubkey, data->pubkeylen)) != NULL; + CHECK(result); + result = ECDSA_verify(0, &data->msg[0], sizeof(data->msg), &data->sig[0], data->siglen, pkey) == (i == 0); + CHECK(result); + EC_KEY_free(pkey); + } + data->sig[data->siglen - 1] ^= (i & 0xFF); + data->sig[data->siglen - 2] ^= ((i >> 8) & 0xFF); + data->sig[data->siglen - 3] ^= ((i >> 16) & 0xFF); + } +} +#endif + +int main(void) { + int i; + secp256k1_pubkey pubkey; + secp256k1_ecdsa_signature sig; + benchmark_verify_t data; + + data.ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY); + + for (i = 0; i < 32; i++) { + data.msg[i] = 1 + i; + } + for (i = 0; i < 32; i++) { + data.key[i] = 33 + i; + } + data.siglen = 72; + CHECK(secp256k1_ecdsa_sign(data.ctx, &sig, data.msg, data.key, NULL, NULL)); + CHECK(secp256k1_ecdsa_signature_serialize_der(data.ctx, data.sig, &data.siglen, &sig)); + CHECK(secp256k1_ec_pubkey_create(data.ctx, &pubkey, data.key)); + data.pubkeylen = 33; + CHECK(secp256k1_ec_pubkey_serialize(data.ctx, data.pubkey, &data.pubkeylen, &pubkey, SECP256K1_EC_COMPRESSED) == 1); + + run_benchmark("ecdsa_verify", benchmark_verify, NULL, NULL, &data, 10, 20000); +#ifdef ENABLE_OPENSSL_TESTS + data.ec_group = EC_GROUP_new_by_curve_name(NID_secp256k1); + run_benchmark("ecdsa_verify_openssl", benchmark_verify_openssl, NULL, NULL, &data, 10, 20000); + EC_GROUP_free(data.ec_group); +#endif + + secp256k1_context_destroy(data.ctx); + return 0; +} |