From: shields@tembel.org (Michael Shields)
Date: Mon, 13 Nov 1995 10:35:27 +0800
To: cypherpunks@toad.com
Subject: Re: Timed-release crypto and information economics
In-Reply-To: <199511091621.QAA01045@orchard.medford.ma.us>
Message-ID: <483a87$u5k@yage.tembel.org>
MIME-Version: 1.0
Content-Type: text/plain


In article <199511091852.NAA01172@bioanalytical.com>,
Beavis B. Thoopit <beavis@bioanalytical.com> wrote:
> initialize buffer to '12#fjKL3_*(ASDdj1ll3_13 asdfasd-1-3!#!23'
> do forever      /* actually until the plaintext spews out */
>   sleep 1 unit
>   for each element in the buffer
>     buffer[ element ] = magictransform( buffer[ element ] )

But the "sleep one unit" part is vulnerable, unless (a) the whole device
is physically armored, which is probably not easier than armoring a
memory chip; or (b) the process -- the whole device, not just a clock --
is based on some basic principle of physics that has time in the equation.
-- 
Shields.