NODE 0eebae5cRe: Executing Encrypted Code
jim bell <jimbell@pacifier.com>Sun, 22 Dec 1996 11:10:45 -0800 (PST)
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