1 /* 2 * Copyright (c) 1995, 1996, 1997 Kungliga Tekniska H�gskolan 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. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the Kungliga Tekniska 20 * H�gskolan and its contributors. 21 * 22 * 4. Neither the name of the Institute nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 */ 38 39 /* $Id: md5.h,v 1.2 2001/12/04 02:06:30 rjs3 Exp $ */ 40 41 #include <stdlib.h> 42 #ifdef HAVE_SYS_TYPES_H 43 #include <sys/types.h> 44 #endif 45 #ifdef HAVE_SYS_BITYPES_H 46 #include <sys/bitypes.h> 47 #endif 48 #ifdef KRB5 49 #include <krb5-types.h> 50 #elif defined(KRB4) 51 #include <ktypes.h> 52 #endif 53 54 struct md5 { 55 unsigned int offset; 56 unsigned int sz; 57 u_int32_t counter[4]; 58 unsigned char save[64]; 59 }; 60 61 void md5_init (struct md5 *m); 62 void md5_update (struct md5 *m, const void *p, size_t len); 63 void md5_finito (struct md5 *m, void *res); /* u_int32_t res[4] */ 64 65 /* 66 * Functions for compatibility that have never been tested. 67 */ 68 typedef struct { 69 u_int32_t i[2]; /* number of _bits_ handled mod 2^64 */ 70 u_int32_t buf[4]; /* scratch buffer */ 71 unsigned char in[64]; /* input buffer */ 72 } MD5_CTX_PREAMBLE; 73 74 typedef struct { 75 union { 76 MD5_CTX_PREAMBLE preamble_; 77 struct md5 d5; 78 } m; 79 } MD5_CTX; 80 81 void MD5Init (MD5_CTX *mdContext); 82 void MD5Update (MD5_CTX *mdContext, 83 const unsigned char *inBuf, 84 unsigned int inLen); 85 void MD5Final (unsigned char digest[16], MD5_CTX *mdContext); 86 87 #ifndef NO_MD5_MACROS 88 #define MD5Init(mdContext) md5_init(&(mdContext)->m.d5) 89 #define MD5Update(mdCtx, inBuf, inLen) md5_update(&(mdCtx)->m.d5, inBuf, inLen) 90 #define MD5Final(digest, mdCtx) md5_finito(&(mdCtx)->m.d5, (digest)) 91 #endif 92