3 ** ********************************************************************
4 ** md4.h -- Header file for implementation of **
5 ** MD4 Message Digest Algorithm **
6 ** Updated: 2/13/90 by Ronald L. Rivest **
7 ** (C) 1990 RSA Data Security, Inc. **
8 ** ********************************************************************
12 #ifndef __MD4_INCLUDE__
13 #define __MD4_INCLUDE__
15 #include <openssl/md4.h>
16 #define MD4Init MD4_Init
17 #define MD4Update MD4_Update
18 #define MD4Final MD4_Final
21 /* MDstruct is the data structure for a message digest computation.
24 unsigned int buffer[4]; /* Holds 4-word result of MD computation */
25 unsigned char count[8]; /* Number of bits processed so far */
26 unsigned int done; /* Nonzero means MD computation finished */
30 ** Initialize the MD4_CTX prepatory to doing a message digest
33 extern void MD4Init(MD4_CTX *MD);
35 /* MD4Update(MD,X,count)
36 ** Input: X -- a pointer to an array of unsigned characters.
37 ** count -- the number of bits of X to use (an unsigned int).
38 ** Updates MD using the first "count" bits of X.
39 ** The array pointed to by X is not modified.
40 ** If count is not a multiple of 8, MD4Update uses high bits of
42 ** This is the basic input routine for a user.
43 ** The routine terminates the MD computation when count < 512, so
44 ** every MD computation should end with one call to MD4Update with a
45 ** count less than 512. Zero is OK for a count.
47 extern void MD4Update(MD4_CTX *MD, unsigned char *X, unsigned int count);
50 ** Prints message digest buffer MD as 32 hexadecimal digits.
51 ** Order is from low-order byte of buffer[0] to high-order byte
53 ** Each byte is printed with high-order hexadecimal digit first.
55 extern void MD4Print(MD4_CTX *);
58 ** Returns message digest from MD and terminates the message
59 ** digest computation.
61 extern void MD4Final(unsigned char *, MD4_CTX *);
65 ****************************(cut)***********************************/
67 #endif /* __MD4_INCLUDE__ */