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NAME    [Toc]    [Back]

     MD5, MD5Init, MD5Transform -- message digest routines

SYNOPSIS    [Toc]    [Back]

     #include <sys/types.h>
     #include <sys/md5.h>

     MD5Init(MD5_CTX *buf);

     MD5Transform(u_int32_t buf[4], const unsigned char block[64]);

DESCRIPTION    [Toc]    [Back]

     The MD5 module implements the RSA Data Security, Inc. MD5 Message-Digest
     Algorithm (MD5). It produces 128-bit MD5 Digest of data.

     MD5Init	      must be called just before MD5Transform() will be used
		      to produce a digest.  The buf argument is the storage
		      for the digest being produced on subsequent calls to the
		      MD5Transform() routine.

     MD5Transform     is the core of the MD5 algorithm, this alters an existing
 MD5 hash kept in buf to reflect the addition of 64
		      characters of new data passed in block argument.

COPYRIGHTS    [Toc]    [Back]

     The code for MD5 transform was taken from Colin Plumb's implementation,
     which has been placed in the public domain.  The MD5 cryptographic checksum
 was devised by Ronald Rivest, and is documented in RFC 1321, "The MD5
     Message Digest Algorithm".

FreeBSD 5.2.1			April 17, 1996			 FreeBSD 5.2.1
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