1 /* MD5.H - header file for MD5C.C 2 */ 3 4 /* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All 5 rights reserved. 6 7 License to copy and use this software is granted provided that it 8 is identified as the "RSA Data Security, Inc. MD5 Message-Digest 9 Algorithm" in all material mentioning or referencing this software 10 or this function. 11 12 License is also granted to make and use derivative works provided 13 that such works are identified as "derived from the RSA Data 14 Security, Inc. MD5 Message-Digest Algorithm" in all material 15 mentioning or referencing the derived work. 16 17 RSA Data Security, Inc. makes no representations concerning either 18 the merchantability of this software or the suitability of this 19 software for any particular purpose. It is provided "as is" 20 without express or implied warranty of any kind. 21 22 These notices must be retained in any copies of any part of this 23 documentation and/or software. 24 */ 25 26 /* PROTOTYPES should be set to one if and only if the compiler supports 27 function argument prototyping. 28 The following makes PROTOTYPES default to 0 if it has not already 29 been defined with C compiler flags. 30 */ 31 #ifndef PROTOTYPES 32 #define PROTOTYPES 1 33 #endif 34 35 #define MD5_LEN 16 36 37 /* POINTER defines a generic pointer type */ 38 typedef unsigned char *POINTER; 39 40 /* UINT2 defines a two byte word */ 41 typedef unsigned short int UINT2; 42 43 #ifdef i386 44 /* UINT4 defines a four byte word */ 45 typedef unsigned long int UINT4; 46 #else 47 /* UINT4 defines a four byte word */ 48 typedef unsigned int UINT4; 49 #endif 50 51 /* PROTO_LIST is defined depending on how PROTOTYPES is defined above. 52 If using PROTOTYPES, then PROTO_LIST returns the list, otherwise it 53 returns an empty list. 54 */ 55 #if PROTOTYPES 56 #define PROTO_LIST(list) list 57 #else 58 #define PROTO_LIST(list) () 59 #endif 60 61 /* MD5 context. */ 62 typedef struct MD5Context { 63 UINT4 state[4]; /* state (ABCD) */ 64 UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */ 65 unsigned char buffer[64]; /* input buffer */ 66 } MD5_CTX; 67 68 void MD5Init PROTO_LIST ((MD5_CTX *)); 69 void MD5Update PROTO_LIST 70 ((MD5_CTX *, unsigned char *, unsigned int)); 71 void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *)); 72