Silicon physical random functions
Proceedings of the 9th ACM conference on Computer and communications security
Analysis and modeling of CD variation for statistical static timing
Proceedings of the 2006 IEEE/ACM international conference on Computer-aided design
SIMPL systems, or: can we design cryptographic hardware without secret key information?
SOFSEM'11 Proceedings of the 37th international conference on Current trends in theory and practice of computer science
Matched public PUF: ultra low energy security platform
Proceedings of the 17th IEEE/ACM international symposium on Low-power electronics and design
Differential public physically unclonable functions: architecture and applications
Proceedings of the 48th Design Automation Conference
Device aging-based physically unclonable functions
Proceedings of the 48th Design Automation Conference
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Hardware-based physically unclonable functions (PUFs) are elegant security primitives that leverage process variation inherent in modern integrated circuits. Recently proposed matched public PUFs (mPPUFs) use a combination of coordinated device aging and gate disabling to create two PUFs that securely realize identical input-output mappings. However, mPPUFs of any reasonable size allow for protocols between only a very limited number of parties. We propose quantization of possible delay values to enable matching of an unbounded number of arbitrary PPUF instances, improving stability in the presence of fluctuations in temperature or supply voltage while maintaining resiliency against a wide number of attacks.