[rsync/rsync.git] / md4.h

/*
   This code is from rfc1186. 
*/

 /*
 ** ********************************************************************
 ** 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.                                  **
 ** ********************************************************************
 */

 /* MDstruct is the data structure for a message digest computation.
 */
 typedef struct {
   unsigned int32 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 */
 } MDstruct, *MDptr;

 /* MDbegin(MD)


 ** Input: MD -- an MDptr
 ** Initialize the MDstruct prepatory to doing a message digest
 ** computation.
 */
 extern void MDbegin();

 /* MDupdate(MD,X,count)
 ** Input: MD -- an MDptr
 **        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, MDupdate 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 MDupdate with a
 ** count less than 512.  Zero is OK for a count.
 */
 extern void MDupdate();

 /*
 ** End of md4.h
 */
Commit	Line	Data
c627d613 AT	1	/*
	2	This code is from rfc1186.
	3	*/
	4
	5	/*
	6	******************************************************************
	7	md4.h -- Header file for implementation of
	8	MD4 Message Digest Algorithm
	9	Updated: 2/13/90 by Ronald L. Rivest
	10	(C) 1990 RSA Data Security, Inc.
	11	******************************************************************
	12	*/
	13
	14	/* MDstruct is the data structure for a message digest computation.
	15	*/
	16	typedef struct {
	17	unsigned int32 buffer[4]; /* Holds 4-word result of MD computation */
	18	unsigned char count[8]; /* Number of bits processed so far */
	19	unsigned int done; /* Nonzero means MD computation finished */
	20	} MDstruct, *MDptr;
	21
	22	/* MDbegin(MD)
	23
	24
	25
	26	** Input: MD -- an MDptr
	27	** Initialize the MDstruct prepatory to doing a message digest
	28	** computation.
	29	*/
	30	extern void MDbegin();
	31
	32	/* MDupdate(MD,X,count)
	33	** Input: MD -- an MDptr
	34	** X -- a pointer to an array of unsigned characters.
	35	** count -- the number of bits of X to use (an unsigned int).
	36	** Updates MD using the first "count" bits of X.
	37	** The array pointed to by X is not modified.
	38	** If count is not a multiple of 8, MDupdate uses high bits of
	39	** last byte.
	40	** This is the basic input routine for a user.
	41	** The routine terminates the MD computation when count < 512, so
	42	** every MD computation should end with one call to MDupdate with a
	43	** count less than 512. Zero is OK for a count.
	44	*/
	45	extern void MDupdate();
	46
	47	/*
	48	** End of md4.h
	49	*/