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md5.h
Go to the documentation of this file.00001 /* 00002 * embedded IPsec 00003 * Copyright (c) 2003 Niklaus Schild and Christian Scheurer, HTI Biel/Bienne 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without modification, 00007 * are permitted provided that the following conditions are met: 00008 * 00009 * 1. Redistributions of source code must retain the above copyright notice, 00010 * this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright notice, 00012 * this list of conditions and the following disclaimer in the documentation 00013 * and/or other materials provided with the distribution. 00014 * 3. The name of the author may not be used to endorse or promote products 00015 * derived from this software without specific prior written permission. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00018 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00019 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00020 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00021 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00022 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00023 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00024 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00025 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00026 * OF SUCH DAMAGE. 00027 * 00028 */ 00029 00043 #ifndef __MD5_H__ 00044 #define __MD5_H__ 00045 00046 #include "ipsec/types.h" 00047 00055 #define MD5_LONG __u32 00056 00057 00058 #define MD5_CBLOCK 64 00059 #define MD5_LBLOCK (MD5_CBLOCK/4) 00060 #define MD5_DIGEST_LENGTH 16 00061 00062 /* @type MD5_CTX MD5 context, used to calculate MD5 digests */ 00063 typedef struct MD5state_st 00064 { 00065 MD5_LONG A,B,C,D; 00066 MD5_LONG Nl,Nh; 00067 MD5_LONG data[MD5_LBLOCK]; 00068 int num; 00069 } MD5_CTX; 00070 00071 extern void MD5_Init(MD5_CTX *c); 00072 extern void MD5_Update(MD5_CTX *c, const void *data, unsigned long len); 00073 extern void MD5_Final(unsigned char *md, MD5_CTX *c); 00074 extern unsigned char *MD5(const unsigned char *d, unsigned long n, unsigned char *md); 00075 extern void MD5_Transform(MD5_CTX *c, const unsigned char *b); 00076 00077 void hmac_md5(unsigned char*, int, unsigned char*, int, unsigned char*); 00078 00079 #endif