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/* aes256-meta.c */
/* nettle, low-level cryptographics library
*
* Copyright (C) 2013 Niels Möller
*
* 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 <assert.h>
#include "nettle-meta.h"
#include "aes.h"
static nettle_set_key_func aes256_set_encrypt_key_wrapper;
static nettle_set_key_func aes256_set_decrypt_key_wrapper;
static void
aes256_set_encrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
{
assert (length == AES256_KEY_SIZE);
aes256_set_encrypt_key (ctx, key);
}
static void
aes256_set_decrypt_key_wrapper (void *ctx, size_t length, const uint8_t *key)
{
assert (length == AES256_KEY_SIZE);
aes256_set_decrypt_key (ctx, key);
}
const struct nettle_cipher nettle_aes256 =
{ "aes256", sizeof(struct aes256_ctx),
AES_BLOCK_SIZE, AES256_KEY_SIZE,
aes256_set_encrypt_key_wrapper,
aes256_set_decrypt_key_wrapper,
(nettle_crypt_func *) aes256_encrypt,
(nettle_crypt_func *) aes256_decrypt
};
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