Poster Abstract: SRAM PUF-Based Logic Locking for Secure Authentication and IP Protection

This paper proposes a novel security framework that integrates Logic locking with intrinsic SRAM PUFs for simultaneous user authorization and hardware authentication. By leveraging stable SRAM cell responses, the approach eliminates external key storage, deriving unlocking keys through a structured transformation process. Experimental validation on ESP32 devices demonstrates high intra-device response consistency and distinct inter-device signatures. This unified mechanism ensures that only authorized users can access the system and only authenticated ICs can function, mitigating risks of overproduction and external attacks. The results establish SRAM PUFs as a lightweight, efficient, and tamper-resistant solution for secure key derivation.