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Use rfc6979 as default nonce generation function

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This commit is contained in:
Pieter Wuille
2014-12-13 18:06:33 +01:00
parent b37fbc280e
commit bbd5ba7cfa
6 changed files with 38 additions and 38 deletions
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11
src/bench_sign.c
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@@ -13,15 +13,6 @@ typedef struct {
unsigned char key[32];
} bench_sign_t;
/** Very fast but insecure nonce generation function. Do not use for production code. */
static int insecure_nonce_function(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, unsigned int count, const void *data) {
(void)data;
for (int i = 0; i < 8; i++) {
((uint32_t*)nonce32)[i] = ((uint32_t*)msg32)[i] + ((uint32_t*)key32)[i] + count;
}
return 1;
}
static void bench_sign_setup(void* arg) {
bench_sign_t *data = (bench_sign_t*)arg;
@@ -35,7 +26,7 @@ static void bench_sign(void* arg) {
unsigned char sig[64];
for (int i=0; i<20000; i++) {
int recid = 0;
secp256k1_ecdsa_sign_compact(data->msg, sig, data->key, insecure_nonce_function, NULL, &recid);
secp256k1_ecdsa_sign_compact(data->msg, sig, data->key, NULL, NULL, &recid);
for (int j = 0; j < 32; j++) {
data->msg[j] = sig[j]; /* Move former R to message. */
data->key[j] = sig[j + 32]; /* Move former S to key. */