2 * QEMU Crypto PBKDF support (Password-Based Key Derivation Function)
4 * Copyright (c) 2015-2016 Red Hat, Inc.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
21 #include "qemu/osdep.h"
22 #include "qapi/error.h"
23 #include "crypto/pbkdf.h"
24 #include "nettle/pbkdf2.h"
27 bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash
)
30 case QCRYPTO_HASH_ALG_SHA1
:
31 case QCRYPTO_HASH_ALG_SHA256
:
38 int qcrypto_pbkdf2(QCryptoHashAlgorithm hash
,
39 const uint8_t *key
, size_t nkey
,
40 const uint8_t *salt
, size_t nsalt
,
41 unsigned int iterations
,
42 uint8_t *out
, size_t nout
,
46 case QCRYPTO_HASH_ALG_SHA1
:
47 pbkdf2_hmac_sha1(nkey
, key
,
53 case QCRYPTO_HASH_ALG_SHA256
:
54 pbkdf2_hmac_sha256(nkey
, key
,
61 error_setg_errno(errp
, ENOSYS
,
62 "PBKDF does not support hash algorithm %d", hash
);