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/*
* vircryptotest.c: cryptographic helper test suite
*
* Copyright (C) 2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "testutils.h"
#include "vircrypto.h"
#include "virrandom.h"
#define VIR_FROM_THIS VIR_FROM_NONE
struct testCryptoHashData {
virCryptoHash hash;
const char *input;
const char *output;
};
static int
testCryptoHash(const void *opaque)
{
const struct testCryptoHashData *data = opaque;
g_autofree char *actual = NULL;
if (virCryptoHashString(data->hash, data->input, &actual) < 0) {
fprintf(stderr, "Failed to generate crypto hash\n");
return -1;
}
if (STRNEQ_NULLABLE(data->output, actual)) {
fprintf(stderr, "Expected hash '%s' but got '%s'\n",
data->output, NULLSTR(actual));
return -1;
}
return 0;
}
struct testCryptoEncryptData {
virCryptoCipher algorithm;
uint8_t *input;
size_t inputlen;
uint8_t *ciphertext;
size_t ciphertextlen;
};
static int
testCryptoEncrypt(const void *opaque)
{
const struct testCryptoEncryptData *data = opaque;
g_autofree uint8_t *enckey = NULL;
size_t enckeylen = 32;
g_autofree uint8_t *iv = NULL;
size_t ivlen = 16;
g_autofree uint8_t *ciphertext = NULL;
size_t ciphertextlen = 0;
enckey = g_new0(uint8_t, enckeylen);
iv = g_new0(uint8_t, ivlen);
if (virRandomBytes(enckey, enckeylen) < 0 ||
virRandomBytes(iv, ivlen) < 0) {
fprintf(stderr, "Failed to generate random bytes\n");
return -1;
}
if (virCryptoEncryptData(data->algorithm, enckey, enckeylen, iv, ivlen,
data->input, data->inputlen,
&ciphertext, &ciphertextlen) < 0)
return -1;
if (data->ciphertextlen != ciphertextlen) {
fprintf(stderr, "Expected ciphertextlen(%zu) doesn't match (%zu)\n",
data->ciphertextlen, ciphertextlen);
return -1;
}
if (memcmp(data->ciphertext, ciphertext, ciphertextlen)) {
fprintf(stderr, "Expected ciphertext doesn't match\n");
return -1;
}
return 0;
}
static int
mymain(void)
{
int ret = 0;
uint8_t secretdata[8] = "letmein";
uint8_t expected_ciphertext[16] = {0x48, 0x8e, 0x9, 0xb9,
0x6a, 0xa6, 0x24, 0x5f,
0x1b, 0x8c, 0x3f, 0x48,
0x27, 0xae, 0xb6, 0x7a};
#define VIR_CRYPTO_HASH(h, i, o) \
do { \
struct testCryptoHashData data = { \
.hash = h, \
.input = i, \
.output = o, \
}; \
if (virTestRun("Hash " i, testCryptoHash, &data) < 0) \
ret = -1; \
} while (0)
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_MD5, "", "d41d8cd98f00b204e9800998ecf8427e");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_SHA256, "", "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_MD5, " ", "7215ee9c7d9dc229d2921a40e899ec5f");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_SHA256, " ", "36a9e7f1c95b82ffb99743e0c5c4ce95d83c9a430aac59f84ef3cbfab6145068");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_MD5, "\n", "68b329da9893e34099c7d8ad5cb9c940");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_SHA256, "\n", "01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_MD5, "The quick brown fox", "a2004f37730b9445670a738fa0fc9ee5");
VIR_CRYPTO_HASH(VIR_CRYPTO_HASH_SHA256, "The quick brown fox", "5cac4f980fedc3d3f1f99b4be3472c9b30d56523e632d151237ec9309048bda9");
#undef VIR_CRYPTO_HASH
#define VIR_CRYPTO_ENCRYPT(a, n, i, il, c, cl) \
do { \
struct testCryptoEncryptData data = { \
.algorithm = a, \
.input = i, \
.inputlen = il, \
.ciphertext = c, \
.ciphertextlen = cl, \
}; \
if (virTestRun("Encrypt " n, testCryptoEncrypt, &data) < 0) \
ret = -1; \
} while (0)
VIR_CRYPTO_ENCRYPT(VIR_CRYPTO_CIPHER_AES256CBC, "aes256cbc",
secretdata, 7, expected_ciphertext, 16);
#undef VIR_CRYPTO_ENCRYPT
return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
}
/* Forces usage of not so random virRandomBytes */
VIR_TEST_MAIN_PRELOAD(mymain, VIR_TEST_MOCK("virrandom"))
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