17 Dec
2003
17 Dec
'03
11:17 p.m.
All the more reason to use Linux or FreeBSD - an OS you have the source for, on hardware that you can examine.
How would you want to examine a pentium processor? Just an idea: Take the block move instructions and attach a little state machine. If a certain sequence of bytes is detected, a fuse somewhere on the chip is burned and the processor could switch irreversible into a mode where it does partial incorrect calculations. Send someone an email, an IP packet or an ethernet packet and you can expect the packet to be moved by a block move command. Hadmut