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-rw-r--r--tests/test-ecdsa.c71
1 files changed, 70 insertions, 1 deletions
diff --git a/tests/test-ecdsa.c b/tests/test-ecdsa.c
index 65d2415..0d3334e 100644
--- a/tests/test-ecdsa.c
+++ b/tests/test-ecdsa.c
@@ -163,6 +163,72 @@ static int test_keygen_static(const hal_ecdsa_curve_t curve)
#endif /* HAL_ECDSA_DEBUG_ONLY_STATIC_TEST_VECTOR_RANDOM */
/*
+ * Run one keygen/sign/verify test with a newly generated key.
+ */
+
+static int test_keygen_sign_verify(const hal_ecdsa_curve_t curve)
+
+{
+ const hal_hash_descriptor_t *hash_descriptor = NULL;
+ uint8_t keybuf[hal_ecdsa_key_t_size];
+ hal_ecdsa_key_t *key = NULL;
+ hal_error_t err;
+
+ switch (curve) {
+
+ case HAL_ECDSA_CURVE_P256:
+ printf("ECDSA P-256 key generation / signature / verification test\n");
+ hash_descriptor = hal_hash_sha256;
+ break;
+
+ case HAL_ECDSA_CURVE_P384:
+ printf("ECDSA P-384 key generation / signature / verification test\n");
+ hash_descriptor = hal_hash_sha384;
+ break;
+
+ case HAL_ECDSA_CURVE_P521:
+ printf("ECDSA P-521 key generation / signature / verification test\n");
+ hash_descriptor = hal_hash_sha512;
+ break;
+
+ default:
+ printf("Unsupported ECDSA curve type\n");
+ return 0;
+ }
+
+ if ((err = hal_ecdsa_key_gen(&key, keybuf, sizeof(keybuf), curve)) != HAL_OK)
+ return printf("hal_ecdsa_key_gen() failed: %s\n", hal_error_string(err)), 0;
+
+ uint8_t hashbuf[hash_descriptor->digest_length];
+
+ {
+ const uint8_t plaintext[] = "So long, and thanks...";
+ uint8_t statebuf[hash_descriptor->hash_state_length];
+ hal_hash_state_t state = { NULL };
+
+ if ((err = hal_hash_initialize(hash_descriptor, &state, statebuf, sizeof(statebuf))) != HAL_OK ||
+ (err = hal_hash_update(state, plaintext, strlen((const char *) plaintext))) != HAL_OK ||
+ (err = hal_hash_finalize(state, hashbuf, sizeof(hashbuf))) != HAL_OK)
+ return printf("Couldn't hash plaintext: %s\n", hal_error_string(err)), 0;
+ }
+
+ /*
+ * Lazy but probably-good-enough guess on signature size -- want
+ * explicit number in ecdsa_curve_t?
+ */
+ uint8_t sigbuf[hash_descriptor->digest_length * 3];
+ size_t siglen;
+
+ if ((err = hal_ecdsa_sign(key, hashbuf, sizeof(hashbuf), sigbuf, &siglen, sizeof(sigbuf))) != HAL_OK)
+ return printf("hal_ecdsa_sign() failed: %s\n", hal_error_string(err)), 0;
+
+ if ((err = hal_ecdsa_verify(key, hashbuf, sizeof(hashbuf), sigbuf, siglen)) != HAL_OK)
+ return printf("hal_ecdsa_verify() failed: %s\n", hal_error_string(err)), 0;
+
+ return 1;
+}
+
+/*
* Time a test.
*/
@@ -200,7 +266,10 @@ static int test_ecdsa(const hal_ecdsa_curve_t curve)
{
int ok = 1;
- time_check(test_keygen_static(curve));
+ if (curve == HAL_ECDSA_CURVE_P256 || curve == HAL_ECDSA_CURVE_P384)
+ time_check(test_keygen_static(curve));
+
+ time_check(test_keygen_sign_verify(curve));
return ok;
}