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Article #1182

mc100.zip (mcrypt)

#1182
From: keith.willis
Date: Tue, 13 Oct 1992 21:20
26 lines
1347 bytes

        I have come across an implementation of RSA distributed by a
        company in Wales, UK, which claims to perform RSA encryption
        on the entire file, rather than just on a session key for a
        conventional algorithm.  The program may be common knowledge,
        but it is the first time I have come across it.  It is called
        MCRYPT, and is distributed by a company called Digital
        Crypto as shareware.

        What puzzles me is that encryption is very fast - less than 2
        minutes for a 40k text file using a 250 digit key - but
        decryption is _glacial_ - over 3 hours for the same file on
        the same PC.

        If anyone is interested in looking at this, you may find it
        on a BBS near you - if not drop me a note and I'll email it
        to you.  I believe I can email it to addresses in the States,
        but once there, it may not be exported again...


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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!ALMAC!keith.willis

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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!ALMAC!keith.willis
From: keith.willis@almac.co.uk
Newsgroups: sci.crypt
Subject: mc100.zip (mcrypt)
Message-ID: <1992Oct13.864.271@ALMAC>
Date: 13 Oct 92 21:20:25 GMT
Distribution: sci
Organization: ALMAC BBS Ltd
Lines: 26