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/* gcm_aes.c
*
* Galois counter mode using AES as the underlying cipher.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2011 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 "gcm.h"
void
gcm_aes_set_key(struct gcm_aes_ctx *ctx, unsigned length, const uint8_t *key)
{
GCM_SET_KEY(ctx, aes_set_encrypt_key, aes_encrypt, length, key);
}
void
gcm_aes_set_iv(struct gcm_aes_ctx *ctx,
unsigned length, const uint8_t *iv)
{
GCM_SET_IV(ctx, length, iv);
}
void
gcm_aes_update(struct gcm_aes_ctx *ctx, unsigned length, const uint8_t *data)
{
GCM_UPDATE(ctx, length, data);
}
void
gcm_aes_encrypt(struct gcm_aes_ctx *ctx,
unsigned length, uint8_t *dst, const uint8_t *src)
{
GCM_ENCRYPT(ctx, aes_encrypt, length, dst, src);
}
void
gcm_aes_decrypt(struct gcm_aes_ctx *ctx,
unsigned length, uint8_t *dst, const uint8_t *src)
{
GCM_DECRYPT(ctx, aes_encrypt, length, dst, src);
}
void
gcm_aes_digest(struct gcm_aes_ctx *ctx,
unsigned length, uint8_t *digest)
{
GCM_DIGEST(ctx, aes_encrypt, length, digest);
}
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