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/* hmac-sha1.c
*
* HMAC-SHA1 message authentication code.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2002 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 "hmac.h"
void
hmac_sha1_set_key(struct hmac_sha1_ctx *ctx,
unsigned key_length, const uint8_t *key)
{
HMAC_SET_KEY(ctx, &nettle_sha1, key_length, key);
}
void
hmac_sha1_update(struct hmac_sha1_ctx *ctx,
unsigned length, const uint8_t *data)
{
sha1_update(&ctx->state, length, data);
}
void
hmac_sha1_digest(struct hmac_sha1_ctx *ctx,
unsigned length, uint8_t *digest)
{
HMAC_DIGEST(ctx, &nettle_sha1, length, digest);
}
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