diff options
| -rw-r--r-- | tests/test-rsa.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/tests/test-rsa.c b/tests/test-rsa.c index 799f1fa..ef60eb9 100644 --- a/tests/test-rsa.c +++ b/tests/test-rsa.c @@ -128,30 +128,40 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc) printf("%s test for %lu-bit RSA key\n", kind, (unsigned long) tc->size); char fn[sizeof("test-rsa-key-xxxxxx.der")]; - uint8_t keybuf[hal_rsa_key_t_size]; + uint8_t keybuf1[hal_rsa_key_t_size], keybuf2[hal_rsa_key_t_size]; hal_error_t err = HAL_OK; - hal_rsa_key_t key; + hal_rsa_key_t key1, key2; FILE *f; - if ((err = hal_rsa_key_gen(&key, keybuf, sizeof(keybuf), bitsToBytes(tc->size), 0x010001)) != HAL_OK) { + if ((err = hal_rsa_key_gen(&key1, keybuf1, sizeof(keybuf1), bitsToBytes(tc->size), 0x010001)) != HAL_OK) { printf("RSA key generation failed: %s\n", hal_error_string(err)); return 0; } size_t der_len = 0; - if ((err = hal_rsa_key_to_der(key, NULL, &der_len, 0)) != HAL_OK) { + if ((err = hal_rsa_key_to_der(key1, NULL, &der_len, 0)) != HAL_OK) { printf("Getting DER length of RSA key failed: %s\n", hal_error_string(err)); return 0; } uint8_t der[der_len]; - if ((err = hal_rsa_key_to_der(key, der, &der_len, sizeof(der))) != HAL_OK) { + if ((err = hal_rsa_key_to_der(key1, der, &der_len, sizeof(der))) != HAL_OK) { printf("Converting RSA key to DER failed: %s\n", hal_error_string(err)); return 0; } + if ((err = hal_rsa_key_from_der(&key2, keybuf2, sizeof(keybuf2), der, sizeof(der))) != HAL_OK) { + printf("Converting RSA key back from DER failed: %s\n", hal_error_string(err)); + return 0; + } + + if (memcmp(keybuf1, keybuf2, hal_rsa_key_t_size) != 0) { + printf("RSA key mismatch after conversion to and back from DER\n"); + return 0; + } + snprintf(fn, sizeof(fn), "test-rsa-key-%04lu.der", (unsigned long) tc->size); printf("Writing %s\n", fn); @@ -172,7 +182,7 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc) uint8_t result[tc->n.len]; - if ((err = hal_rsa_decrypt(key, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK) + if ((err = hal_rsa_decrypt(key1, tc->m.val, tc->m.len, result, sizeof(result))) != HAL_OK) printf("RSA CRT failed: %s\n", hal_error_string(err)); snprintf(fn, sizeof(fn), "test-rsa-sig-%04lu.der", (unsigned long) tc->size); @@ -193,7 +203,8 @@ static int test_gen(const char * const kind, const rsa_tc_t * const tc) return 0; } - hal_rsa_key_clear(key); + hal_rsa_key_clear(key1); + hal_rsa_key_clear(key2); return err == HAL_OK; } |