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Add auth_tag value testing #323

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merged 1 commit into from
Sep 20, 2018
Merged

Add auth_tag value testing #323

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11 changes: 11 additions & 0 deletions tests/soter/soter_sym_test.c
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Original file line number Diff line number Diff line change
Expand Up @@ -268,6 +268,7 @@ static void test_known_values_gcm(void)


uint8_t auth_tag[MAX_AUTH_TAG_LENGTH];
uint8_t expected_auth_tag[MAX_AUTH_TAG_LENGTH];
size_t auth_tag_length=sizeof(auth_tag);
soter_status_t res;

Expand Down Expand Up @@ -307,6 +308,13 @@ static void test_known_values_gcm(void)
testsuite_fail_if(res, "string_to_bytes");
continue;
}

res = string_to_bytes(vectors_aead[i].authtag, expected_auth_tag, MAX_AUTH_TAG_LENGTH);
if (SOTER_SUCCESS != res)
{
testsuite_fail_if(res, "string_to_bytes");
continue;
}

/* Encryption */
ctx = soter_sym_aead_encrypt_create(vectors_aead[i].alg, key, strlen(vectors_aead[i].key) / 2, NULL,0,iv, strlen(vectors_aead[i].iv) / 2);
Expand Down Expand Up @@ -351,6 +359,9 @@ static void test_known_values_gcm(void)
}

testsuite_fail_if(memcmp(computed, ciphertext, computed_length), "known encryption");

testsuite_fail_if(memcmp(auth_tag, expected_auth_tag, auth_tag_length), "known encryption (auth tag value)");

/* Decryption */
ctx = soter_sym_aead_decrypt_create(vectors_aead[i].alg, key, strlen(vectors_aead[i].key) / 2, NULL, 0, iv, strlen(vectors_aead[i].iv) / 2);
if (NULL == ctx)
Expand Down