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diff --git a/source/md4.h b/source/md4.h
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--- a/source/md4.h
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-/*
-   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 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 */
- } 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();
-
- /* MDprint(MD)
- ** Input: MD -- an MDptr
- ** 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 MDprint();
-
- /*
- ** End of md4.h
- */