Communications of the ACM
Silicon physical random functions
Proceedings of the 9th ACM conference on Computer and communications security
Predicting Performance of Micropipelines Using Charlie Diagrams
ASYNC '98 Proceedings of the 4th International Symposium on Advanced Research in Asynchronous Circuits and Systems
ASYNC '01 Proceedings of the 7th International Symposium on Asynchronous Circuits and Systems
Physical unclonable functions for device authentication and secret key generation
Proceedings of the 44th annual Design Automation Conference
FPGA Intrinsic PUFs and Their Use for IP Protection
CHES '07 Proceedings of the 9th international workshop on Cryptographic Hardware and Embedded Systems
Extended abstract: The butterfly PUF protecting IP on every FPGA
HST '08 Proceedings of the 2008 IEEE International Workshop on Hardware-Oriented Security and Trust
Proceedings of the 46th Annual Design Automation Conference
Modeling attacks on physical unclonable functions
Proceedings of the 17th ACM conference on Computer and communications security
The glitch PUF: a new delay-PUF architecture exploiting glitch shapes
CHES'10 Proceedings of the 12th international conference on Cryptographic hardware and embedded systems
Extracting secret keys from integrated circuits
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
MECCA: a robust low-overhead PUF using embedded memory array
CHES'11 Proceedings of the 13th international conference on Cryptographic hardware and embedded systems
Read-proof hardware from protective coatings
CHES'06 Proceedings of the 8th international conference on Cryptographic Hardware and Embedded Systems
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Physically Unclonable Functions (PUFs) exploit the physical characteristics of silicon and provide an alternative to storing digital encryption keys in non-volatile memory. A PUF maps a unique set of digital inputs to a corresponding set of digital outputs. In this paper, the use of asynchronous logic and design techniques to implement PUFs is advocated for Asynchronous Physically Unclonable Functions (APUFs). A new method of using asynchronous rings to implement PUFs is described called AsyncPUF which features inherent field programmability. It is a novel and holistic PUF design compared to the existing state-of-the-art as it naturally addresses the two challenges facing PUFs to-date that prevent wide-spread adoption: robustness and entropy. Results of electrical simulation in a 90 nano-metre lithography process are presented and discussed.