md2.h 1.67 KB
Newer Older
1 2
/* md2.h
 *
3
 * The MD2 hash function, described in RFC 1319.
4 5 6 7
 */

/* nettle, low-level cryptographics library
 *
Niels Möller's avatar
Niels Möller committed
8
 * Copyright (C) 2003 Niels Möller
9 10 11 12 13 14 15 16 17 18 19 20 21
 *  
 * 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
22 23
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02111-1301, USA.
24 25 26 27 28
 */
 
#ifndef NETTLE_MD2_H_INCLUDED
#define NETTLE_MD2_H_INCLUDED

29
#include "nettle-types.h"
30

Niels Möller's avatar
Niels Möller committed
31 32 33 34
#ifdef __cplusplus
extern "C" {
#endif

35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
/* Name mangling */
#define md2_init nettle_md2_init
#define md2_update nettle_md2_update
#define md2_digest nettle_md2_digest

#define MD2_DIGEST_SIZE 16
#define MD2_DATA_SIZE 16

struct md2_ctx
{
  uint8_t C[MD2_DATA_SIZE];
  uint8_t X[3 * MD2_DATA_SIZE];
  uint8_t block[MD2_DATA_SIZE]; /* Block buffer */
  unsigned index;               /* Into buffer */
};

void
md2_init(struct md2_ctx *ctx);

void
md2_update(struct md2_ctx *ctx,
	   unsigned length,
	   const uint8_t *data);

void
md2_digest(struct md2_ctx *ctx,
	   unsigned length,
	   uint8_t *digest);


Niels Möller's avatar
Niels Möller committed
65 66 67 68
#ifdef __cplusplus
}
#endif

69
#endif /* NETTLE_MD2_H_INCLUDED */