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/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 1998-2003 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*
 * Cleaned up version of the md5.h header file from RFC 1321.
 */

/*
 * MD5.H - header file for MD5C.C
 */

/*
 * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
 * rights reserved.
 *
 * License to copy and use this software is granted provided that it
 * is identified as the "RSA Data Security, Inc. MD5 Message-Digest
 * Algorithm" in all material mentioning or referencing this software
 * or this function.
 *
 * License is also granted to make and use derivative works provided
 * that such works are identified as "derived from the RSA Data
 * Security, Inc. MD5 Message-Digest Algorithm" in all material
 * mentioning or referencing the derived work.
 *
 * RSA Data Security, Inc. makes no representations concerning either
 * the merchantability of this software or the suitability of this
 * software for any particular purpose. It is provided "as is"
 * without express or implied warranty of any kind.
 *
 * These notices must be retained in any copies of any part of this
 * documentation and/or software.
 */

#ifndef _SYS_MD5_H
#define	_SYS_MD5_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#include <sys/types.h>		/* for uint_* */

/*
 * Definitions for MD5 hashing functions, conformant to RFC 1321
 */

#ifdef	__cplusplus
extern "C" {
#endif

#define	MD5_DIGEST_LENGTH	16

/* MD5 context. */
typedef struct	{
	uint32_t state[4];	/* state (ABCD) */
	uint32_t count[2];	/* number of bits, modulo 2^64 (lsb first) */
	union	{
		uint8_t		buf8[64];	/* undigested input */
		uint32_t	buf32[16];	/* realigned input */
	} buf_un;
} MD5_CTX;

void MD5Init(MD5_CTX *);
void MD5Update(MD5_CTX *, const void *, unsigned int);
void MD5Final(unsigned char [MD5_DIGEST_LENGTH], MD5_CTX *);

#ifdef	__cplusplus
}
#endif

#endif /* _SYS_MD5_H */