xref: /minix3/minix/drivers/storage/filter/md5.h (revision 433d6423c39e34ec4b79c950597bb2d236f886be)
1 /* See md5.c for explanation and copyright information.  */
2 
3 #ifndef MD5_H
4 #define MD5_H
5 
6 /* Unlike previous versions of this code, uint32 need not be exactly
7    32 bits, merely 32 bits or more.  Choosing a data type which is 32
8    bits instead of 64 is not important; speed is considerably more
9    important.  ANSI guarantees that "unsigned long" will be big enough,
10    and always using it seems to have few disadvantages.  */
11 typedef unsigned long uint32;
12 
13 struct MD5Context {
14 	uint32 buf[4];
15 	uint32 bits[2];
16 	unsigned char in[64];
17 };
18 
19 void MD5Init(struct MD5Context *context);
20 void MD5Update(struct MD5Context *context,
21 			   unsigned char const *buf, unsigned len);
22 void MD5Final(unsigned char digest[16],
23 			  struct MD5Context *context);
24 void MD5Transform(uint32 buf[4], const unsigned char in[64]);
25 
26 #endif /* !MD5_H */
27