Identity-based key agreement with unilateral identity privacy using pairings.

Comley, Richard A. ORCID: https://orcid.org/0000-0003-0265-1010, Chen, Liqun, Tang, Qiang and Cheng, Zhaohui (2006) Identity-based key agreement with unilateral identity privacy using pairings. 2nd Information Security Practice and Experience Conference (ISPEC 2006), Hangzhou, China. Proceedings, Lecture Notes in Computer Science LNCS 3903/2006 . pp. 202-213. ISSN 978-3-540-33052-3 [Article] (doi:10.1007/11689522_19)

Abstract

Common key agreement protocols assume that both parties have some knowledge of each others identity or the identity is exchanged without protection. There are many real-world situations where this is either not possible or not desirable, e.g. mobile networks. This paper investigates the user identity privacy in the protocols employing identity-based primitives from pairings. By considering both security strength and computation efficiency, an identity-based protocol is proposed using pairing which preserves both user identity privacy and high efficiency. The proposed key exchange system is formally analysed to confirm its rigour.

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