Cryptology ePrint Archive: Report 2012/406

Comments on four multi-server authentication protocols using smart card

*Jue-Sam Chou 1, Yalin Chen2, Chun-Hui Huang 3, Yu-Siang Huang4

Abstract: Recently, researchers have proposed several nice multi-server authentication protocols. They claim that their protocols are secure and can withstand various attacks. However, after reviewing their schemes, we found that they although are perfect whereas flawed. Due to this observation, in this paper, we list the weakness found in these recent literatures.

Category / Keywords: cryptographic protocols /

Date: received 21 Jul 2012

Contact author: jschou at mail nhu edu tw

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Version: 20120724:175038 (All versions of this report)

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