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Binding Hardware IPs to Specific FPGA Device via Inter-twining the PUF Response with the FSM of Sequential Circuits

The continuous growth in both capability and capacity for FPGA now requires significant resources invested in the hardware design, which results in two classes of main security issues: 1) the unauthorized use and piracy attacks including cloning, reverse engineering, tampering etc. 2) the licensing issue. Binding hardware IPs (HW-IPs) to specific FPGA devices can efficiently resolve these problems. However, previous binding techniques are all based on encryption and hence have three main drawbacks: 1) encryption-based proposals in commercial are limited to protect the single large FPGA configuration, 2) many encryption-based proposals depend on a trusted third party to involve the licensing protocol, and 3) the encryption-based binding methods use costly mechanisms such as secure ROM or flash memory to store FPGA specific cryptographic keys, which is not only expensive but also vulnerable to side-channel attacks, and the management and transport of secret keys became a practical issue. In this work, we propose a PUF-FSM binding technique completely different from the traditional encryption-based methods to address these shortcomings.