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* lib/md5.[ch] Add implementation of HMAC-MD5 from RFC 2104. From: Josh Bailey <joshb@google.com> Signed-off-by: Avneesh Sachdev <avneesh@opensourcerouting.org> Signed-off-by: David Lamparter <equinox@diac24.net>
90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/* $USAGI: md5.h,v 1.2 2000/11/02 11:59:25 yoshfuji Exp $ */
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/* $KAME: md5.h,v 1.4 2000/03/27 04:36:22 sumikawa Exp $ */
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/* $Id: md5.h,v 1.3 2006/01/17 17:40:45 paul Exp $ */
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/*
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* Copyright (C) 2004 6WIND
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* <Vincent.Jardin@6WIND.com>
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* All rights reserved.
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*
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* This MD5 code is Big endian and Little Endian compatible.
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*/
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBZEBRA_MD5_H_
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#define _LIBZEBRA_MD5_H_
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#define MD5_BUFLEN 64
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typedef struct {
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union {
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uint32_t md5_state32[4];
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uint8_t md5_state8[16];
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} md5_st;
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#define md5_sta md5_st.md5_state32[0]
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#define md5_stb md5_st.md5_state32[1]
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#define md5_stc md5_st.md5_state32[2]
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#define md5_std md5_st.md5_state32[3]
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#define md5_st8 md5_st.md5_state8
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union {
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uint64_t md5_count64;
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uint8_t md5_count8[8];
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} md5_count;
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#define md5_n md5_count.md5_count64
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#define md5_n8 md5_count.md5_count8
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uint md5_i;
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uint8_t md5_buf[MD5_BUFLEN];
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} md5_ctxt;
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extern void md5_init (md5_ctxt *);
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extern void md5_loop (md5_ctxt *, const void *, u_int);
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extern void md5_pad (md5_ctxt *);
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extern void md5_result (uint8_t *, md5_ctxt *);
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/* compatibility */
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#define MD5_CTX md5_ctxt
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#define MD5Init(x) md5_init((x))
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#define MD5Update(x, y, z) md5_loop((x), (y), (z))
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#define MD5Final(x, y) \
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do { \
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md5_pad((y)); \
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md5_result((x), (y)); \
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} while (0)
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/* From RFC 2104 */
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void hmac_md5(unsigned char* text, int text_len, unsigned char* key,
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int key_len, caddr_t digest);
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#endif /* ! _LIBZEBRA_MD5_H_*/
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