Comments on an Improved RFID Security Protocol for ISO/IEC WD 29167-6

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Executive Summary

With the rapid progress of RFID security technologies, the international standard group ISO/IEC JTC 1/SC 31 is developing a few security technologies for RFID systems. One of the initial proposals is ISO/IEC Working Draft (WD) 29167-6. Recently, Song and others stated that Protocol 1 of ISO/IEC WD 29167-6 is vulnerable to a malicious adversary. However, their analysis comes from a misunderstanding regarding a communication parameter called Handle. In this paper, the authors point out that an adversary cannot obtain any sensitive information from intervening in Protocol 1.

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