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physical_protection [2012/12/20 07:39] – [Chemical protection] azonenberg | physical_protection [2012/12/20 07:42] – [Die ID] azonenberg | ||
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====== Die ID ====== | ====== Die ID ====== | ||
- | National claims they have some sort of anti-reverse engineering protection with their die ID scheme. Who knows if it does anything useful. | ||
- | ====== | + | National, Xilinx, and many other vendors have unique per-chip serial numbers stored in some sort of OTP memory on the chip. The user's firmware presumably uses this in a licensing scheme. Might make for a halfway decent anti-cloning system (until the check is found and nopped out) but is useless for preventing RE. |
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===== Chemical protection ===== | ===== Chemical protection ===== |