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/*
* QEMU Crypto IV generator algorithms
*
* Copyright (c) 2015-2016 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 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 "qemu/osdep.h"
#include "qapi/error.h"
#include "crypto/ivgen.h"
struct QCryptoIVGenTestData {
const char *path;
uint64_t sector;
QCryptoIVGenAlgorithm ivalg;
QCryptoHashAlgorithm hashalg;
QCryptoCipherAlgorithm cipheralg;
const uint8_t *key;
size_t nkey;
const uint8_t *iv;
size_t niv;
} test_data[] = {
/* Small */
{
"/crypto/ivgen/plain/1",
.sector = 0x1,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
.iv = (const uint8_t *)"\x01\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* Big ! */
{
"/crypto/ivgen/plain/1f2e3d4c",
.sector = 0x1f2e3d4cULL,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
.iv = (const uint8_t *)"\x4c\x3d\x2e\x1f\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* Truncation */
{
"/crypto/ivgen/plain/1f2e3d4c5b6a7988",
.sector = 0x1f2e3d4c5b6a7988ULL,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN,
.iv = (const uint8_t *)"\x88\x79\x6a\x5b\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* Small */
{
"/crypto/ivgen/plain64/1",
.sector = 0x1,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
.iv = (const uint8_t *)"\x01\x00\x00\x00\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* Big ! */
{
"/crypto/ivgen/plain64/1f2e3d4c",
.sector = 0x1f2e3d4cULL,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
.iv = (const uint8_t *)"\x4c\x3d\x2e\x1f\x00\x00\x00\x00"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* No Truncation */
{
"/crypto/ivgen/plain64/1f2e3d4c5b6a7988",
.sector = 0x1f2e3d4c5b6a7988ULL,
.ivalg = QCRYPTO_IVGEN_ALG_PLAIN64,
.iv = (const uint8_t *)"\x88\x79\x6a\x5b\x4c\x3d\x2e\x1f"
"\x00\x00\x00\x00\x00\x00\x00\x00",
.niv = 16,
},
/* Small */
{
"/crypto/ivgen/essiv/1",
.sector = 0x1,
.ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
.cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
.hashalg = QCRYPTO_HASH_ALG_SHA256,
.key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
.nkey = 16,
.iv = (const uint8_t *)"\xd4\x83\x71\xb2\xa1\x94\x53\x88"
"\x1c\x7a\x2d\06\x2d\x0b\x65\x46",
.niv = 16,
},
/* Big ! */
{
"/crypto/ivgen/essiv/1f2e3d4c",
.sector = 0x1f2e3d4cULL,
.ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
.cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
.hashalg = QCRYPTO_HASH_ALG_SHA256,
.key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
.nkey = 16,
.iv = (const uint8_t *)"\x5d\x36\x09\x5d\xc6\x9e\x5e\xe9"
"\xe3\x02\x8d\xd8\x7a\x3d\xe7\x8f",
.niv = 16,
},
/* No Truncation */
{
"/crypto/ivgen/essiv/1f2e3d4c5b6a7988",
.sector = 0x1f2e3d4c5b6a7988ULL,
.ivalg = QCRYPTO_IVGEN_ALG_ESSIV,
.cipheralg = QCRYPTO_CIPHER_ALG_AES_128,
.hashalg = QCRYPTO_HASH_ALG_SHA256,
.key = (const uint8_t *)"\x00\x01\x02\x03\x04\x05\x06\x07"
"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f",
.nkey = 16,
.iv = (const uint8_t *)"\x58\xbb\x81\x94\x51\x83\x23\x23"
"\x7a\x08\x93\xa9\xdc\xd2\xd9\xab",
.niv = 16,
},
};
static void test_ivgen(const void *opaque)
{
const struct QCryptoIVGenTestData *data = opaque;
uint8_t *iv = g_new0(uint8_t, data->niv);
QCryptoIVGen *ivgen = qcrypto_ivgen_new(
data->ivalg,
data->cipheralg,
data->hashalg,
data->key,
data->nkey,
&error_abort);
qcrypto_ivgen_calculate(ivgen,
data->sector,
iv,
data->niv,
&error_abort);
g_assert(memcmp(iv, data->iv, data->niv) == 0);
qcrypto_ivgen_free(ivgen);
g_free(iv);
}
int main(int argc, char **argv)
{
size_t i;
g_test_init(&argc, &argv, NULL);
for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
if (test_data[i].ivalg == QCRYPTO_IVGEN_ALG_ESSIV &&
!qcrypto_hash_supports(test_data[i].hashalg)) {
continue;
}
g_test_add_data_func(test_data[i].path,
&(test_data[i]),
test_ivgen);
}
return g_test_run();
}
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