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software kill switch

Name: Anonymous 2009-03-05 12:32

I've encrypted my disk, but I need a way to prevent somebody from stealing the computer while the encryption key is in RAM.

Basically I need to write a program that writes zeroes to the memory and then cuts power to all devices. The problem is, I don't know exactly how to accomplish this.

Advice preferred in C++ or assembly, but anything would be helpful.

Name: Anonymous 2009-03-10 9:08

protip: ram memory is lost seconds after power is cut
the only kill switch you need is your power button

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