Silicon physical random functions
Proceedings of the 9th ACM conference on Computer and communications security
Controlled Physical Random Functions
ACSAC '02 Proceedings of the 18th Annual Computer Security Applications Conference
Identification and authentication of integrated circuits: Research Articles
Concurrency and Computation: Practice & Experience - Computer Security
Designing Resistant Circuits against Malicious Faults Injection Using Asynchronous Logic
IEEE Transactions on Computers
Physical unclonable functions for device authentication and secret key generation
Proceedings of the 44th annual Design Automation Conference
Towards Robust Low Cost Authentication for Pervasive Devices
PERCOM '08 Proceedings of the 2008 Sixth Annual IEEE International Conference on Pervasive Computing and Communications
FPGA Intrinsic PUFs and Their Use for IP Protection
CHES '07 Proceedings of the 9th international workshop on Cryptographic Hardware and Embedded Systems
PRESENT: An Ultra-Lightweight Block Cipher
CHES '07 Proceedings of the 9th international workshop on Cryptographic Hardware and Embedded Systems
ESORICS '08 Proceedings of the 13th European Symposium on Research in Computer Security: Computer Security
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
Local heating attacks on Flash memory devices
HST '09 Proceedings of the 2009 IEEE International Workshop on Hardware-Oriented Security and Trust
Reconfigurable Physical Unclonable Functions - Enabling technology for tamper-resistant storage
HST '09 Proceedings of the 2009 IEEE International Workshop on Hardware-Oriented Security and Trust
Memory Leakage-Resilient Encryption Based on Physically Unclonable Functions
ASIACRYPT '09 Proceedings of the 15th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
Hash functions based on block ciphers
EUROCRYPT'92 Proceedings of the 11th annual international conference on Theory and application of cryptographic techniques
Low-power sub-threshold design of secure physical unclonable functions
Proceedings of the 16th ACM/IEEE international symposium on Low power electronics and design
Modeling attacks on physical unclonable functions
Proceedings of the 17th ACM conference on Computer and communications security
Hardware intrinsic security from D flip-flops
Proceedings of the fifth ACM workshop on Scalable trusted computing
On RFID privacy with mutual authentication and tag corruption
ACNS'10 Proceedings of the 8th international conference on Applied cryptography and network security
Extracting secret keys from integrated circuits
IEEE Transactions on Very Large Scale Integration (VLSI) Systems
A Formalization of the Security Features of Physical Functions
SP '11 Proceedings of the 2011 IEEE Symposium on Security and Privacy
Read-proof hardware from protective coatings
CHES'06 Proceedings of the 8th international conference on Cryptographic Hardware and Embedded Systems
RFID-Tags for anti-counterfeiting
CT-RSA'06 Proceedings of the 2006 The Cryptographers' Track at the RSA conference on Topics in Cryptology
Robust key extraction from physical uncloneable functions
ACNS'05 Proceedings of the Third international conference on Applied Cryptography and Network Security
RFID security and privacy: a research survey
IEEE Journal on Selected Areas in Communications
Logically reconfigurable PUFs: memory-based secure key storage
Proceedings of the sixth ACM workshop on Scalable trusted computing
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We introduce the concept of Logically Reconfigurable Physical Unclonable Functions (LR-PUFs). In contrast to classical Physically Unclonable Functions (PUFs) LR-PUFs can be dynamically 'reconfigured' after deployment such that their challenge/response behavior changes in a random manner. To this end, we amend a conventional PUF with a stateful control logic that transforms challenges and responses of the PUF. We present and evaluate two different constructions for LR-PUFs that are simple, efficient and can easily be implemented. Moreover, we introduce a formal security model for LR-PUFs and prove that both constructions are secure under reasonable assumptions. Finally, we demonstrate that LR-PUFs enable the construction of securely recyclable access tokens, such as electronic tickets: LR-PUFs enhance security against manipulation and forgery, while reconfiguration allows secure re-use of tokens for subsequent transactions.