Executing Encrypted Code

[jim bell]

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 at pacifier.com