Cryptology ePrint Archive: Report 2003/018

An Authenticated Group Key Agreement Protocol on Braid groups

HO-KYU LEE, HYANG-SOOK LEE, YOUNG-RAN LEE

Abstract: In this paper, we extend the 2-party key exchange protocol on braid groups to the group key agreement protocol based on the hardness of Ko-Lee problem. We also provide authenticity to the group key agreement protocol.

Category / Keywords: public-key cryptography / braid groups, conjugacy problem, key agrement protocol, authentication

Date: received 24 Jan 2003

Contact author: hsl at ewha ac kr

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Version: 20030130:124150 (All versions of this report)

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