md5 man page on HP-UX

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MD5(1)									MD5(1)

NAME
       md5 - calculate a message-digest fingerprint (checksum) for a file

SYNOPSIS
       md5 [ -t | -x | -sstring | filename(s) ]

DESCRIPTION
       md5 takes as input a message of arbitrary length and produces as output
       a 128-bit "fingerprint" or "message digest" of the input.  It  is  con‐
       jectured	 that it is computationally infeasible to produce two messages
       having the same message digest, or to  produce  any  message  having  a
       given  prespecified  target  message  digest.   The  MD5	 algorithm  is
       intended for digital signature applications, where a large file must be
       "compressed"  in	 a secure manner before being encrypted with a private
       (secret) key under a public-key cryptosystem such as RSA.

OPTIONS
       The following four options may be used in any combination, except  that
       filename(s) must be the last objects on the command line.

       -sstring prints a checksum of the given "string".

       -t runs a built-in time trial.

       -x runs a built-in test script.

       filename(s) prints a checksum(s) for each of the files.

SEE ALSO
       sum(1)

       RFC 1321 describes in detail the MD2, MD4, and MD5 message-digest algo‐
       rithms.

ACKNOWLEDGEMENTS
       This program is placed in the public domain for free general use by RSA
       Data Security.

				 Feb 14, 1994				MD5(1)
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