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      1 /*	$NetBSD: md4.h,v 1.9 2018/11/28 05:19:13 kamil Exp $	*/
      2 
      3 /*
      4  * This file is derived from the RSA Data Security, Inc. MD4 Message-Digest
      5  * Algorithm and has been modified by Jason R. Thorpe <thorpej (at) NetBSD.org>
      6  * for portability and formatting.
      7  */
      8 
      9 /*
     10  * Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
     11  * rights reserved.
     12  *
     13  * License to copy and use this software is granted provided that it
     14  * is identified as the "RSA Data Security, Inc. MD4 Message-Digest
     15  * Algorithm" in all material mentioning or referencing this software
     16  * or this function.
     17  *
     18  * License is also granted to make and use derivative works provided
     19  * that such works are identified as "derived from the RSA Data
     20  * Security, Inc. MD4 Message-Digest Algorithm" in all material
     21  * mentioning or referencing the derived work.
     22  *
     23  * RSA Data Security, Inc. makes no representations concerning either
     24  * the merchantability of this software or the suitability of this
     25  * software for any particular purpose. It is provided "as is"
     26  * without express or implied warranty of any kind.
     27  *
     28  * These notices must be retained in any copies of any part of this
     29  * documentation and/or software.
     30  */
     31 
     32 #ifndef _SYS_MD4_H_
     33 #define _SYS_MD4_H_
     34 
     35 #include <sys/cdefs.h>
     36 #include <sys/types.h>
     37 
     38 #define MD4_DIGEST_LENGTH 16
     39 #define MD4_DIGEST_STRING_LENGTH 33
     40 #define MD4_BLOCK_LENGTH 64
     41 
     42 /* MD4 context. */
     43 typedef struct MD4Context {
     44 	uint32_t state[4];	/* state (ABCD) */
     45 	uint32_t count[2];	/* number of bits, modulo 2^64 (lsb first) */
     46 	unsigned char buffer[MD4_BLOCK_LENGTH]; /* input buffer */
     47 } MD4_CTX;
     48 
     49 __BEGIN_DECLS
     50 void	MD4Init(MD4_CTX *);
     51 void	MD4Update(MD4_CTX *, const unsigned char *, unsigned int);
     52 void	MD4Final(unsigned char[MD4_DIGEST_LENGTH], MD4_CTX *);
     53 #ifndef _KERNEL
     54 char	*MD4End(MD4_CTX *, char *);
     55 char	*MD4File(const char *, char *);
     56 char	*MD4Data(const unsigned char *, unsigned int, char *);
     57 #endif /* _KERNEL */
     58 __END_DECLS
     59 
     60 #endif /* _SYS_MD4_H_ */
     61