Security analysis and enhancement of one-way hash based low-cost authentication protocol (OHLCAP)

Authors:
JeaCheol Ha;SangJae Moon;Juan Manuel Gonzalez Nieto;Colin Boyd
Affiliations:
Dept. of Information Security, Hoseo Univ., Korea;School of Electrical Eng. and Computer Science, Kyungpook National Univ., Korea;Information Security Institute, Queensland Univ. of Technology, Brisbane, QLD, Australia;Information Security Institute, Queensland Univ. of Technology, Brisbane, QLD, Australia
Venue:
PAKDD'07 Proceedings of the 2007 international conference on Emerging technologies in knowledge discovery and data mining
Year:
2007

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Abstract

Choi et al. recently proposed an efficient RFID authentication protocol for a ubiquitous computing environment, OHLCAP (One-Way Hash based Low-Cost Authentication Protocol). However, this paper reveals that the protocol has several security weaknesses : 1) traceability based on the leakage of counter information, 2) vulnerability to an impersonation attack by maliciously updating a random number, and 3) traceability based on a physically-attacked tag. Finally, a security enhanced group-based authentication protocol is presented.