Subject: Re: A question for the Perl programmers on the list
From: Dan Wolf (dan-wolf@gci.net)
Date: Sat Nov 30 2002 - 20:07:06 AKST
Greg,
You might try the O'reilly book "Algorithms with Perl" for a good
woorkup on cryptographic programs. The O'reilly book "Perl Cookbook" has a
couple of routines for generating passwords. MD5 is not technically an
encryption algorithm it is a Message Digest Algorithm ...... that is to say
it generates a unique 'FIXED' length output for a variable lenth input. In
use I would send a document of some length to Alice. In addition if I
Generated the MD5 digest for the document and sent it to Alice she would be
able to determine that the document had not been altered in any way. She
could calculate the MD5 digest for the document and compare it to the MD5
digest I sent and if they did not match she would know the document had in
some way been altered.
Dan
----- Original Message -----
From: "Greg Jetter" <greg@lazymountain.com>
To: <aklug@aklug.org>
Sent: Saturday, December 07, 2002 7:33 PM
Subject: A question for the Perl programmers on the list
>
> I am trying to find a method of encrypting and decrypting password for a
> project im working on , I don't have a full understanding of the various
> methods in use. Does the MD5 method of encryption lend it self to use
as
> an encryptrion method for passwords? Any one know of a simple to use Perl
> module for encrypting and decrypting passwords ?
>
> thanks in advance
>
> Greg
>
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