source4/heimdal/lib/hcrypto/md2.h

   1 /*
   2  * Copyright (c) 2006 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 /* $Id$ */
  35
  36 #ifndef HEIM_MD2_H
  37 #define HEIM_MD2_H 1
  38
  39 /* symbol renaming */
  40 #define MD2_Init hc_MD2_Init
  41 #define MD2_Update hc_MD2_Update
  42 #define MD2_Final hc_MD2_Final
  43
  44 /*
  45  *
  46  */
  47
  48 #define MD2_DIGEST_LENGTH 16
  49
  50 struct md2 {
  51     size_t len;
  52     unsigned char data[16]; /* stored unalligned data between Update's */
  53     unsigned char checksum[16];
  54     unsigned char state[16]; /* lower 16 bytes of X */
  55 };
  56
  57 typedef struct md2 MD2_CTX;
  58
  59 void MD2_Init (struct md2 *m);
  60 void MD2_Update (struct md2 *m, const void *p, size_t len);
  61 void MD2_Final (void *res, struct md2 *m);
  62
  63 #endif /* HEIM_MD2_H */