August 08, 2025

RFID Security and Privacy: Concepts, Protocols, and Architectures

17 minutes

Explores various facets of Radio-Frequency Identification (RFID) technology, beginning with its fundamental principles and components, such as tags (also called transponders), readers, and backend systems. A significant portion addresses the security and privacy implications of ubiquitous computing and RFID systems, defining concepts like confidentiality, integrity, availability, and the evolving notion of privacy. The author then discusses different attacker capabilities and attack types specific to RFID, emphasizing the importance of system security in mitigating their impact. Furthermore, the source details cryptographic primitives and protocols designed to enhance RFID security, including hash-based identifier modification and pseudonymization infrastructures for scalable and privacy-preserving operations. Finally, the text presents advanced RFID system models that incorporate untrusted reading entities and personal managers to manage user data and privacy policies, culminating in the ID-Zone Architecture as a robust framework for secure and privacy-aware RFID deployments.

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