00001 /* MD5.H - header file for MD5C.C 00002 */ 00003 00004 //See internet RFC 1321, "The MD5 Message-Digest Algorithm" 00005 00006 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All 00007 rights reserved. 00008 00009 License to copy and use this software is granted provided that it 00010 is identified as the "RSA Data Security, Inc. MD5 Message-Digest 00011 Algorithm" in all material mentioning or referencing this software 00012 or this function. 00013 00014 License is also granted to make and use derivative works provided 00015 that such works are identified as "derived from the RSA Data 00016 Security, Inc. MD5 Message-Digest Algorithm" in all material 00017 mentioning or referencing the derived work. 00018 00019 RSA Data Security, Inc. makes no representations concerning either 00020 the merchantability of this software or the suitability of this 00021 software for any particular purpose. It is provided "as is" 00022 without express or implied warranty of any kind. 00023 00024 These notices must be retained in any copies of any part of this 00025 documentation and/or software. 00026 */ 00027 00028 /* MD5 context. */ 00029 00030 #ifndef _MD5CONTEXT_H 00031 #define _MD5CONTEXT_H 00032 00033 /* PROTOTYPES should be set to one if and only if the compiler supports 00034 function argument prototyping. 00035 The following makes PROTOTYPES default to 0 if it has not already 00036 00037 been defined with C compiler flags. 00038 */ 00039 #ifndef PROTOTYPES 00040 #define PROTOTYPES 1 00041 #endif 00042 00043 /* POINTER defines a generic pointer type */ 00044 typedef unsigned char *POINTER; 00045 00046 /* UINT2 defines a two byte word */ 00047 typedef unsigned short int UINT2; 00048 00049 /* UINT4 defines a four byte word */ 00050 typedef unsigned long int UINT4; 00051 00052 /* PROTO_LIST is defined depending on how PROTOTYPES is defined above. 00053 If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it 00054 returns an empty list. 00055 */ 00056 #if PROTOTYPES 00057 #define PROTO_LIST(list) list 00058 #else 00059 #define PROTO_LIST(list) () 00060 #endif 00061 00062 00063 typedef struct { 00064 UINT4 state[4]; /* state (ABCD) */ 00065 UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ 00066 unsigned char buffer[64]; /* input buffer */ 00067 } MD5_CTX; 00068 00069 #ifdef __cplusplus //added by Jim Howard so that these functions can be called from c++ 00070 extern "C" 00071 { 00072 #endif 00073 void MD5Init PROTO_LIST ((MD5_CTX *)); 00074 void MD5Update PROTO_LIST 00075 ((MD5_CTX *, unsigned char *, unsigned int)); 00076 void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *)); 00077 #ifdef __cplusplus 00078 } 00079 #endif 00080 00081 00082 #endif