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 These notices must be retained in any copies of any part of this 22 documentation and/or software. 23 */ 24 25 #ifndef _LIBUTIL_MD5_H 26 #define _LIBUTIL_MD5_H 27 28 #include <stddef.h> 29 #include <stdint.h> 30 31 #define MD5_SIZE 16 /* 128 bits */ 32 33 /* MD5 context. */ 34 typedef struct { 35 uint32_t state[4]; /* state (ABCD) */ 36 uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */ 37 unsigned char buffer[64]; /* input buffer */ 38 } MD5_CTX; 39 40 void MD5Init(MD5_CTX *); 41 void MD5Update(MD5_CTX *, const void *, size_t); 42 void MD5Final(unsigned char[MD5_SIZE], MD5_CTX *); 43 44 char *crypt_md5(const char *, const char *); 45 46 #endif 47