At 08:58 AM 11/8/02 -0500, John S. Denker wrote:
>system.  At the very least, we must pay attention to:
>  -- hardware physics

BTW, there have been papers about persistance in semiconductor
memories, too.  Ie, you store the same key for a long time
in a memory, and later on someone can (by subtle analog probing)
detect differences in the memory cells.  Electromigration, 
tunneling, stress on dielectrics, you're a physicist, I'm not
going to explain it to you :-)





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