release/src/router/nettle/md2.h

   1 /* md2.h
   2  *
   3  * The MD2 hash function, described in RFC 1319.
   4  */
   5
   6 /* nettle, low-level cryptographics library
   7  *
   8  * Copyright (C) 2003 Niels Möller
   9  *
  10  * The nettle library is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or (at your
  13  * option) any later version.
  14  *
  15  * The nettle library is distributed in the hope that it will be useful, but
  16  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  17  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  18  * License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with the nettle library; see the file COPYING.LIB.  If not, write to
  22  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  23  * MA 02111-1301, USA.
  24  */
  25
  26 #ifndef NETTLE_MD2_H_INCLUDED
  27 #define NETTLE_MD2_H_INCLUDED
  28
  29 #include "nettle-types.h"
  30
  31 #ifdef __cplusplus
  32 extern "C" {
  33 #endif
  34
  35 /* Name mangling */
  36 #define md2_init nettle_md2_init
  37 #define md2_update nettle_md2_update
  38 #define md2_digest nettle_md2_digest
  39
  40 #define MD2_DIGEST_SIZE 16
  41 #define MD2_DATA_SIZE 16
  42
  43 struct md2_ctx
  44 {
  45   uint8_t C[MD2_DATA_SIZE];
  46   uint8_t X[3 * MD2_DATA_SIZE];
  47   uint8_t block[MD2_DATA_SIZE]; /* Block buffer */
  48   unsigned index;               /* Into buffer */
  49 };
  50
  51 void
  52 md2_init(struct md2_ctx *ctx);
  53
  54 void
  55 md2_update(struct md2_ctx *ctx,
  56            unsigned length,
  57            const uint8_t *data);
  58
  59 void
  60 md2_digest(struct md2_ctx *ctx,
  61            unsigned length,
  62            uint8_t *digest);
  63
  64
  65 #ifdef __cplusplus
  66 }
  67 #endif
  68
  69 #endif /* NETTLE_MD2_H_INCLUDED */