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1994-12-28 - Re: Why I have a 512 bit PGP key

Header Data

From: Thomas Grant Edwards <tedwards@src.umd.edu>
To: Jeff Barber <jeffb@sware.com>
Message Hash: 4d73e7f11ff339db5de17362a86d372f95e385c522ce307422b151c952458a46
Message ID: <Pine.SUN.3.91.941228172433.14288B-100000@reggae.src.umd.edu>
Reply To: <9412281640.AA09644@wombat.sware.com>
UTC Datetime: 1994-12-28 22:28:09 UTC
Raw Date: Wed, 28 Dec 94 14:28:09 PST

Raw message

From: Thomas Grant Edwards <tedwards@src.umd.edu>
Date: Wed, 28 Dec 94 14:28:09 PST
To: Jeff Barber <jeffb@sware.com>
Subject: Re: Why I have a 512 bit PGP key
In-Reply-To: <9412281640.AA09644@wombat.sware.com>
Message-ID: <Pine.SUN.3.91.941228172433.14288B-100000@reggae.src.umd.edu>
MIME-Version: 1.0
Content-Type: text/plain


On Wed, 28 Dec 1994, Jeff Barber wrote:

> Let's face it, creating the compiler-to-recognize-MD5 is quite a difficult
> problem, and if I were your system administrator and wanted to obtain
> access to your files, creating a special compiler version or otherwise
> attempting to cause your integrity check to fail would be one of the last
> forms of attack I'd try.

Infact you'd need a totally secure OS to try to achieve this goal.  You 
can have the loader recognize the MD5 or other integrity measures.  The 
loader could even contact an authorization server to see if you have paid 
the license fee to use the program...

-Thomas

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