Mobility

Lightweight Asymmetric Privacy-Preserving Authentication Protocols Secure Against Active Attack

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Executive Summary

As pervasive computing technologies develop fast, the privacy protection becomes a crucial issue and needs to be coped with very carefully. Typically, it is difficult to efficiently identify and manage plenty of the low-cost pervasive devices like Radio Frequency Identification Devices (RFID), without leaking any privacy information. In particular, the adversary may not only eavesdrop the communication in a passive way, but also mount an active attack to ask queries adaptively, which is obviously more dangerous. Towards settling this problem, in this paper, the authors propose lightweight authentication protocols which are privacy-preserving against active attack. The protocols are based on a fast asymmetric encryption with novel simplification, which consequently can assign an easy work to pervasive devices.

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