#ifndef MD5_DIGEST_HEADER#define MD5_DIGEST_HEADER/* MD5.H - header file for MD5C.C *//* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. Allrights reserved.License to copy and use this software is granted provided that itis identified as the "RSA Data Security, Inc. MD5 Message-DigestAlgorithm" in all material mentioning or referencing this softwareor this function.License is also granted to make and use derivative works providedthat such works are identified as "derived from the RSA DataSecurity, Inc. MD5 Message-Digest Algorithm" in all materialmentioning or referencing the derived work.RSA Data Security, Inc. makes no representations concerning eitherthe merchantability of this software or the suitability of thissoftware 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 thisdocumentation and/or software. *//* MD5 context. */typedef struct{  unsigned long state[4];    /* state (ABCD) */  unsigned long count[2];    /* number of bits, modulo 2^64 (lsb first) */  unsigned char buffer[64];  /* input buffer */} MD5_CTX;void MD5Init( MD5_CTX * );void MD5Update( MD5_CTX *, unsigned char *, unsigned int );void MD5Final( unsigned char [16], MD5_CTX * );#endif