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crypto/secp256k1: update to github.com/bitcoin-core/secp256k1 @ 9d560f9 (#3544)

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- Use defined constants instead of hard-coding their integer value.
- Allocate secp256k1 structs on the C stack instead of converting []byte
- Remove dead code
This commit is contained in:
Felix Lange
2017-01-12 21:29:11 +01:00
committed by GitHub
parent 93077c98e4
commit e0ceeab0d1
79 changed files with 8242 additions and 2011 deletions
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45
crypto/secp256k1/libsecp256k1/src/bench_verify.c
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@@ -11,6 +11,12 @@
#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];
@@ -19,6 +25,9 @@ typedef struct {
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) {
@@ -40,6 +49,36 @@ static void benchmark_verify(void* arg) {
}
}
#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;
@@ -58,9 +97,15 @@ int main(void) {
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;