[mirror_frr.git] / lib / md5.h

/*
 * Copyright (C) 2004 6WIND
 *                          <Vincent.Jardin@6WIND.com>
 * All rights reserved.
 *
 * This MD5 code is Big endian and Little Endian compatible.
 */

/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _LIBZEBRA_MD5_H_
#define _LIBZEBRA_MD5_H_

#define MD5_BUFLEN	64

typedef struct {
	union {
		uint32_t md5_state32[4];
		uint8_t md5_state8[16];
	} md5_st;

#define md5_sta		md5_st.md5_state32[0]
#define md5_stb		md5_st.md5_state32[1]
#define md5_stc		md5_st.md5_state32[2]
#define md5_std		md5_st.md5_state32[3]
#define md5_st8		md5_st.md5_state8

	union {
		uint64_t md5_count64;
		uint8_t md5_count8[8];
	} md5_count;
#define md5_n	md5_count.md5_count64
#define md5_n8	md5_count.md5_count8

	uint md5_i;
	uint8_t md5_buf[MD5_BUFLEN];
} md5_ctxt;

extern void md5_init(md5_ctxt *);
extern void md5_loop(md5_ctxt *, const void *, unsigned int);
extern void md5_pad(md5_ctxt *);
extern void md5_result(uint8_t *, md5_ctxt *);

/* compatibility */
#define MD5_CTX		md5_ctxt
#define MD5Init(x)	md5_init((x))
#define MD5Update(x, y, z)	md5_loop((x), (y), (z))
#define MD5Final(x, y)                                                         \
	do {                                                                   \
		md5_pad((y));                                                  \
		md5_result((x), (y));                                          \
	} while (0)

/* From RFC 2104 */
void hmac_md5(unsigned char *text, int text_len, unsigned char *key,
	      int key_len, uint8_t *digest);

#endif /* ! _LIBZEBRA_MD5_H_*/
Commit	Line	Data
c1a03d47	1	/*
	2	* Copyright (C) 2004 6WIND
	3	* <Vincent.Jardin@6WIND.com>
	4	* All rights reserved.
	5	*
	6	* This MD5 code is Big endian and Little Endian compatible.
	7	*/
	8
	9	/*
	10	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
	11	* All rights reserved.
	12	*
	13	* Redistribution and use in source and binary forms, with or without
	14	* modification, are permitted provided that the following conditions
	15	* are met:
	16	* 1. Redistributions of source code must retain the above copyright
	17	* notice, this list of conditions and the following disclaimer.
	18	* 2. Redistributions in binary form must reproduce the above copyright
	19	* notice, this list of conditions and the following disclaimer in the
	20	* documentation and/or other materials provided with the distribution.
	21	* 3. Neither the name of the project nor the names of its contributors
	22	* may be used to endorse or promote products derived from this software
	23	* without specific prior written permission.
	24	*
	25	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	26	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	27	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	28	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	29	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	30	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	31	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	32	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	33	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	34	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	35	* SUCH DAMAGE.
	36	*/
	37
	38	#ifndef _LIBZEBRA_MD5_H_
	39	#define _LIBZEBRA_MD5_H_
	40
	41	#define MD5_BUFLEN 64
	42
	43	typedef struct {
	44	union {
d62a17ae	45	uint32_t md5_state32[4];
d62a17ae	46	uint8_t md5_state8[16];
c1a03d47	47	} md5_st;
	48
	49	#define md5_sta md5_st.md5_state32[0]
	50	#define md5_stb md5_st.md5_state32[1]
	51	#define md5_stc md5_st.md5_state32[2]
	52	#define md5_std md5_st.md5_state32[3]
	53	#define md5_st8 md5_st.md5_state8
	54
	55	union {
d62a17ae	56	uint64_t md5_count64;
d62a17ae	57	uint8_t md5_count8[8];
c1a03d47	58	} md5_count;
	59	#define md5_n md5_count.md5_count64
	60	#define md5_n8 md5_count.md5_count8
	61
d62a17ae	62	uint md5_i;
d62a17ae	63	uint8_t md5_buf[MD5_BUFLEN];
c1a03d47	64	} md5_ctxt;
c1a03d47	65
d62a17ae	66	extern void md5_init(md5_ctxt *);
d7c0a89a	67	extern void md5_loop(md5_ctxt , const void , unsigned int);
d62a17ae	68	extern void md5_pad(md5_ctxt *);
d62a17ae	69	extern void md5_result(uint8_t , md5_ctxt );
c1a03d47	70
	71	/* compatibility */
	72	#define MD5_CTX md5_ctxt
	73	#define MD5Init(x) md5_init((x))
	74	#define MD5Update(x, y, z) md5_loop((x), (y), (z))
d62a17ae	75	#define MD5Final(x, y) \
	76	do { \
	77	md5_pad((y)); \
	78	md5_result((x), (y)); \
	79	} while (0)
c1a03d47	80
bed930fd	81	/* From RFC 2104 */
d62a17ae	82	void hmac_md5(unsigned char text, int text_len, unsigned char key,
d62a17ae	83	int key_len, uint8_t *digest);
bed930fd	84
c1a03d47	85	#endif /* ! _LIBZEBRA_MD5_H_*/