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The Key is Left under the Mat: On the Inappropriate Security Assumption of Logic Locking Schemes


Abstract: "Logic locking has been proposed as an obfuscation technique to protect outsourced IC designs from IP piracy by untrusted entities in the design and fabrication process. In this case, the netlist is locked by adding extra key-gates, and will be unlocked only if a correct key is applied to the key-gates. The key is assumed to be written into a non-volatile memory after the fabricati... » read more