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/* pbkdf2-hmac-sha256.c
*
* PKCS #5 PBKDF2 used with HMAC-SHA256, see RFC 2898.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2012 Simon Josefsson
*
* The nettle 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.
*
* The nettle 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 the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02111-1301, USA.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include "pbkdf2.h"
#include "hmac.h"
void
pbkdf2_hmac_sha256 (unsigned key_length, const uint8_t *key,
unsigned iterations,
unsigned salt_length, const uint8_t *salt,
unsigned length, uint8_t *dst)
{
struct hmac_sha256_ctx sha256ctx;
hmac_sha256_set_key (&sha256ctx, key_length, key);
PBKDF2 (&sha256ctx, hmac_sha256_update, hmac_sha256_digest,
SHA256_DIGEST_SIZE, iterations, salt_length, salt, length, dst);
}
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