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salsa20-set-key.c
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salsa20-set-key.c 1.43 KiB
/* salsa20-set-key.c
*
* The Salsa20 stream cipher.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2012 Simon Josefsson, 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.
*/
/* Based on:
salsa20-ref.c version 20051118
D. J. Bernstein
Public domain.
*/
#if HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdlib.h>
#include "salsa20.h"
#include "macros.h"
void
salsa20_set_key(struct salsa20_ctx *ctx,
size_t length, const uint8_t *key)
{
switch (length)
{
case SALSA20_128_KEY_SIZE:
salsa20_128_set_key (ctx, key);
break;
case SALSA20_256_KEY_SIZE:
salsa20_256_set_key (ctx, key);
break;
default:
abort();
}
}