void test_ecdsa_openssl(void) { secp256k1_scalar_t key, msg; unsigned char message[32]; secp256k1_rand256_test(message); secp256k1_scalar_set_b32(&msg, message, NULL); random_scalar_order_test(&key); secp256k1_gej_t qj; secp256k1_ecmult_gen(&qj, &key); secp256k1_ge_t q; secp256k1_ge_set_gej(&q, &qj); EC_KEY *ec_key = get_openssl_key(&key); CHECK(ec_key); unsigned char signature[80]; unsigned int sigsize = 80; CHECK(ECDSA_sign(0, message, sizeof(message), signature, &sigsize, ec_key)); secp256k1_ecdsa_sig_t sig; CHECK(secp256k1_ecdsa_sig_parse(&sig, signature, sigsize)); secp256k1_num_t msg_num; secp256k1_scalar_get_num(&msg_num, &msg); CHECK(secp256k1_ecdsa_sig_verify(&sig, &q, &msg_num)); secp256k1_num_inc(&sig.r); CHECK(!secp256k1_ecdsa_sig_verify(&sig, &q, &msg_num)); random_sign(&sig, &key, &msg, NULL); int secp_sigsize = 80; CHECK(secp256k1_ecdsa_sig_serialize(signature, &secp_sigsize, &sig)); CHECK(ECDSA_verify(0, message, sizeof(message), signature, secp_sigsize, ec_key) == 1); EC_KEY_free(ec_key); }
void test_ecdsa_openssl() { const secp256k1_ge_consts_t *c = secp256k1_ge_consts; secp256k1_num_t key, msg; secp256k1_num_init(&msg); unsigned char message[32]; secp256k1_rand256_test(message); secp256k1_num_set_bin(&msg, message, 32); secp256k1_num_init(&key); random_num_order_test(&key); secp256k1_gej_t qj; secp256k1_ecmult_gen(&qj, &key); secp256k1_ge_t q; secp256k1_ge_set_gej(&q, &qj); EC_KEY *ec_key = get_openssl_key(&key); assert(ec_key); unsigned char signature[80]; int sigsize = 80; assert(ECDSA_sign(0, message, sizeof(message), signature, &sigsize, ec_key)); secp256k1_ecdsa_sig_t sig; secp256k1_ecdsa_sig_init(&sig); assert(secp256k1_ecdsa_sig_parse(&sig, signature, sigsize)); assert(secp256k1_ecdsa_sig_verify(&sig, &q, &msg)); secp256k1_num_inc(&sig.r); assert(!secp256k1_ecdsa_sig_verify(&sig, &q, &msg)); random_sign(&sig, &key, &msg, NULL); sigsize = 80; assert(secp256k1_ecdsa_sig_serialize(signature, &sigsize, &sig)); assert(ECDSA_verify(0, message, sizeof(message), signature, sigsize, ec_key) == 1); secp256k1_ecdsa_sig_free(&sig); EC_KEY_free(ec_key); secp256k1_num_free(&key); secp256k1_num_free(&msg); }
void test_num_copy_inc_cmp(void) { secp256k1_num_t n1,n2; random_num_order(&n1); secp256k1_num_copy(&n2, &n1); CHECK(secp256k1_num_eq(&n1, &n2)); CHECK(secp256k1_num_eq(&n2, &n1)); secp256k1_num_inc(&n2); CHECK(!secp256k1_num_eq(&n1, &n2)); CHECK(!secp256k1_num_eq(&n2, &n1)); }
void test_ecdsa_sign_verify(void) { secp256k1_scalar_t msg, key; random_scalar_order_test(&msg); random_scalar_order_test(&key); secp256k1_gej_t pubj; secp256k1_ecmult_gen(&pubj, &key); secp256k1_ge_t pub; secp256k1_ge_set_gej(&pub, &pubj); secp256k1_ecdsa_sig_t sig; random_sign(&sig, &key, &msg, NULL); secp256k1_num_t msg_num; secp256k1_scalar_get_num(&msg_num, &msg); CHECK(secp256k1_ecdsa_sig_verify(&sig, &pub, &msg_num)); secp256k1_num_inc(&msg_num); CHECK(!secp256k1_ecdsa_sig_verify(&sig, &pub, &msg_num)); }
void test_num_copy_inc_cmp() { secp256k1_num_t n1,n2; secp256k1_num_init(&n1); secp256k1_num_init(&n2); random_num_order(&n1); secp256k1_num_copy(&n2, &n1); assert(secp256k1_num_cmp(&n1, &n2) == 0); assert(secp256k1_num_cmp(&n2, &n1) == 0); secp256k1_num_inc(&n2); assert(secp256k1_num_cmp(&n1, &n2) != 0); assert(secp256k1_num_cmp(&n2, &n1) != 0); secp256k1_num_free(&n1); secp256k1_num_free(&n2); }
void test_ecdsa_sign_verify() { const secp256k1_ge_consts_t *c = secp256k1_ge_consts; secp256k1_num_t msg, key; secp256k1_num_init(&msg); random_num_order_test(&msg); secp256k1_num_init(&key); random_num_order_test(&key); secp256k1_gej_t pubj; secp256k1_ecmult_gen(&pubj, &key); secp256k1_ge_t pub; secp256k1_ge_set_gej(&pub, &pubj); secp256k1_ecdsa_sig_t sig; secp256k1_ecdsa_sig_init(&sig); random_sign(&sig, &key, &msg, NULL); assert(secp256k1_ecdsa_sig_verify(&sig, &pub, &msg)); secp256k1_num_inc(&msg); assert(!secp256k1_ecdsa_sig_verify(&sig, &pub, &msg)); secp256k1_ecdsa_sig_free(&sig); secp256k1_num_free(&msg); secp256k1_num_free(&key); }