xorp

hmac_md5.h

00001 /*
00002  * vim:set sts=4 ts=8:
00003  *
00004  * FILE:    hmac.h
00005  * AUTHORS: Colin Perkins
00006  *
00007  * HMAC message authentication (RFC2104)
00008  *
00009  * Copyright (c) 1998-2000 University College London
00010  * All rights reserved.
00011  *
00012  * Redistribution and use in source and binary forms, with or without
00013  * modification, is permitted provided that the following conditions
00014  * are met:
00015  * 1. Redistributions of source code must retain the above copyright
00016  *    notice, this list of conditions and the following disclaimer.
00017  * 2. Redistributions in binary form must reproduce the above copyright
00018  *    notice, this list of conditions and the following disclaimer in the
00019  *    documentation and/or other materials provided with the distribution.
00020  * 3. All advertising materials mentioning features or use of this software
00021  *    must display the following acknowledgement:
00022  *      This product includes software developed by the Computer Science
00023  *      Department at University College London
00024  * 4. Neither the name of the University nor of the Department may be used
00025  *    to endorse or promote products derived from this software without
00026  *    specific prior written permission.
00027  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
00028  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
00031  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00033  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00034  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00035  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00036  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00037  * SUCH DAMAGE.
00038  */
00039 
00040 #ifdef __cplusplus
00041 extern "C" {
00042 #endif
00043 
00053     void hmac_md5(const unsigned char *data, int data_bytes,
00054               const unsigned char *key,  int key_bytes,
00055               unsigned char  digest[16]);
00056 
00067     const char* hmac_md5_digest_to_ascii(unsigned char digest[16],
00068                          char* b, unsigned int b_bytes);
00069     
00070 #ifdef __cplusplus
00071 }
00072 #endif
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