Subversion Repositories openrisc_2011-10-31

/*

** ********************************************************************

** md4.h -- Header file for implementation of                        **

** MD4 Message Digest Algorithm                                      **

** Updated: 2/13/90 by Ronald L. Rivest                              **

** (C) 1990 RSA Data Security, Inc.                                  **

** ********************************************************************

*/

#ifndef __P

# if defined(__STDC__) || defined(__GNUC__)

#  define __P(x) x

# else

#  define __P(x) ()

# endif

#endif

/* MDstruct is the data structure for a message digest computation.

*/

typedef struct {

        unsigned int buffer[4]; /* Holds 4-word result of MD computation */

        unsigned char count[8]; /* Number of bits processed so far */

        unsigned int done;      /* Nonzero means MD computation finished */

} MD4_CTX;

/* MD4Init(MD4_CTX *)

** Initialize the MD4_CTX prepatory to doing a message digest

** computation.

*/

extern void MD4Init __P((MD4_CTX *MD));

/* MD4Update(MD,X,count)

** Input: X -- a pointer to an array of unsigned characters.

**        count -- the number of bits of X to use (an unsigned int).

** Updates MD using the first "count" bits of X.

** The array pointed to by X is not modified.

** If count is not a multiple of 8, MD4Update uses high bits of

** last byte.

** This is the basic input routine for a user.

** The routine terminates the MD computation when count < 512, so

** every MD computation should end with one call to MD4Update with a

** count less than 512.  Zero is OK for a count.

*/

extern void MD4Update __P((MD4_CTX *MD, unsigned char *X, unsigned int count));

/* MD4Print(MD)

** Prints message digest buffer MD as 32 hexadecimal digits.

** Order is from low-order byte of buffer[0] to high-order byte

** of buffer[3].

** Each byte is printed with high-order hexadecimal digit first.

*/

extern void MD4Print __P((MD4_CTX *));

/* MD4Final(buf, MD)

** Returns message digest from MD and terminates the message

** digest computation.

*/

extern void MD4Final __P((unsigned char *, MD4_CTX *));

/*

** End of md4.h

****************************(cut)***********************************/