Cryptology ePrint Archive: Report 2007/116

A Zero-Knowledge Identification and Key Agreement Protocol

D.R. Stinson and J. Wu

Abstract: In this paper, we propose a zero-knowledge authenticated key agreement protocol with key confirmation (AKC) in asymmetric setting. The protocol has several desirable security attributes like some classical AKCs such as STS and MQV. One highlight of our protocol is its zero-knowledge property, which enables succinct proofs of the claimed security attributes, while the overhead in communication and computation resulting from the special design to achieve zero-knowledge is insignificant.

Category / Keywords: cryptographic protocols / identification, key agreement, zero-knowledge

Date: received 30 Mar 2007, last revised 18 Jul 2007

Contact author: j32wu at cs uwaterloo ca

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Version: 20070718:153246 (All versions of this report)

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