From: jim bell <jimbell@pacifier.com>
Date: Sun, 22 Dec 1996 11:10:45 -0800 (PST)
To: "Timothy C. May" <cypherpunks@toad.com
Subject: Re: Executing Encrypted Code
Message-ID: <199612221910.LAA28887@mail.pacifier.com>
MIME-Version: 1.0
Content-Type: text/plain


At 06:41 PM 12/21/96 -0800, Timothy C. May wrote:

>And don't forget that internal nodes of microproceessors can be "tapped"
>with an electron beam voltage contrast system. Some steps can make this
>much harder, but the principle is still that internal states are capturable.
>--Tim May

Within the last week or two, I read (somewhere?) of a new system to analyze 
chip behavior that utilized tiny amounts of light momentarily emitted from 
FET channels during switching.  


Jim Bell
jimbell@pacifier.com