On Sun, 13 Dec 1998 15:07:38 GMT Mike Harrison writes: >On Sat, 12 Dec 1998 01:24:29 +0000, you wrote: > >>I believe Dallas Semiconductor makes a micro with a self-destruct >pin. >>Not sure how it works, maybe a high-current surge through certain >parts >>of the die? I wonder what would happen if you let a PIC output pin >drive >>the primary of a step-up transformer whose secondary was connected to >a >>well chosen pin on the chip? >> >No, this chip relies on internal SRAM based keys to decrypt data held >in external SRAM. The SD pin just trashes these keys. > I still say it would be much more fun with explosives! :) Mark Moss Amateur Radio Operator, Technician, and General Tinkerer ___________________________________________________________________ You don't need to buy Internet access to use free Internet e-mail. Get completely free e-mail from Juno at http://www.juno.com/getjuno.html or call Juno at (800) 654-JUNO [654-5866]