Silicon physical random functions
Proceedings of the 9th ACM conference on Computer and communications security
Privacy and security in library RFID: issues, practices, and architectures
Proceedings of the 11th ACM conference on Computer and communications security
Quantitative evaluation of unlinkable ID matching schemes
Proceedings of the 2005 ACM workshop on Privacy in the electronic society
Physically Unclonable Function-Based Security and Privacy in RFID Systems
PERCOM '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications
Defining Strong Privacy for RFID
PERCOMW '07 Proceedings of the Fifth IEEE International Conference on Pervasive Computing and Communications Workshops
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
ASIACRYPT'07 Proceedings of the Advances in Crypotology 13th international conference on Theory and application of cryptology and information security
Quantifying information leakage in tree-based hash protocols (short paper)
ICICS'06 Proceedings of the 8th international conference on Information and Communications Security
RFID-Tags for anti-counterfeiting
CT-RSA'06 Proceedings of the 2006 The Cryptographers' Track at the RSA conference on Topics in Cryptology
Optimal key-trees for tree-based private authentication
PET'06 Proceedings of the 6th international conference on Privacy Enhancing Technologies
A scalable, delegatable pseudonym protocol enabling ownership transfer of RFID tags
SAC'05 Proceedings of the 12th international conference on Selected Areas in Cryptography
Cryptanalysis of EC-RAC, a RFID Identification Protocol
CANS '08 Proceedings of the 7th International Conference on Cryptology and Network Security
On Physical Obfuscation of Cryptographic Algorithms
INDOCRYPT '09 Proceedings of the 10th International Conference on Cryptology in India: Progress in Cryptology
Private Interrogation of Devices via Identification Codes
INDOCRYPT '09 Proceedings of the 10th International Conference on Cryptology in India: Progress in Cryptology
Review: Privacy versus scalability in radio frequency identification systems
Computer Communications
Securing low-cost RFID systems: An unconditionally secure approach
Journal of Computer Security - 2010 Workshop on RFID Security (RFIDSec'10 Asia)
A zero-knowledge based framework for RFID privacy
Journal of Computer Security - ESORICS 2010
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In 2004, Molnar and Wagner introduced a very appealing protocol dedicated to the identification of RFID tags. Their scheme relies on a binary tree of secrets which are shared --- for all nodes except the leaves --- amongst the tags. Hence the compromise of one tag also has implications on the other tags with whom it shares keys. We describe a new man-in-the-middle attack against this protocol which allows to break privacy even without opening tags. Moreover, it can be applied to some other RFID protocols which use correlated keys as the one described recently by Damgård and Pedersen at CT-RSA 2008.We introduce a modification of the initial scheme to allow us to thwart this and to strengthen RFID tags by implementing secrets with Physical Obfuscated Keys (POKs). This doing, we augment tags and scheme privacy, particularly general resistance against physical threats.