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/* md4.h
*
* The MD4 hash function, described in RFC 1320.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2003 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., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NETTLE_MD4_H_INCLUDED
#define NETTLE_MD4_H_INCLUDED
#include "nettle-types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Name mangling */
#define md4_init nettle_md4_init
#define md4_update nettle_md4_update
#define md4_digest nettle_md4_digest
#define MD4_DIGEST_SIZE 16
#define MD4_DATA_SIZE 64
/* Digest is kept internally as 4 32-bit words. */
#define _MD4_DIGEST_LENGTH 4
struct md4_ctx
{
uint32_t digest[_MD4_DIGEST_LENGTH];
uint32_t count_l, count_h; /* Block count */
uint8_t block[MD4_DATA_SIZE]; /* Block buffer */
unsigned index; /* Into buffer */
};
void
md4_init(struct md4_ctx *ctx);
void
md4_update(struct md4_ctx *ctx,
unsigned length,
const uint8_t *data);
void
md4_digest(struct md4_ctx *ctx,
unsigned length,
uint8_t *digest);
#ifdef __cplusplus
}
#endif
#endif /* NETTLE_MD4_H_INCLUDED */
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