/*
 **********************************************************************
 ** md4.h -- Header file for implementation of MD4                   **
 ** RSA Data Security, Inc. MD4 Message Digest Algorithm             **
 ** Created: 2/17/90 RLR                                             **
 ** Revised: 12/27/90 SRD,AJ,BSK,JT Reference C version              **
 **********************************************************************
 */

/*
 **********************************************************************
 ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
 **                                                                  **
 ** License to copy and use this software is granted provided that   **
 ** it is identified as the "RSA Data Security, Inc. MD4 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. MD4 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.                                   **
 **********************************************************************
 */

#define UINT4               unsigned long

/* Data structure for MD4 (Message Digest) computation */
typedef struct {
  UINT4 i[2];                          /* number of _bits_ handled mod 2^64 */
  UINT4 buf[4];                                           /* scratch buffer */
  unsigned char in[64];                                     /* input buffer */
  unsigned char digest[16];            /* actual digest after MD4Final call */
} MD4_CTX;

#define MD4_LEN 16

void MD4Init (MD4_CTX     *);
void MD4Update (MD4_CTX     *, unsigned char     *, unsigned int);
void MD4Final (MD4_CTX     *);