Cryptology ePrint Archive: Report 2003/004

ID-based tripartite Authenticated Key Agreement Protocols from pairings

Divya Nalla, and K.C.Reddy

Abstract: This paper proposes ID-based tripartite authenticated key agreement protocols. The authenticated three party key agreement protocols from pairings [15], and the ID-based two party authenticated key agreement protocol [13] are studied. These two protocols are taken as the basis for designing three new ID-based tripartite authenticated key agreement protocols. The security properties of all these protocols are studied listing out the possible attacks on them. Further, these protocols are extended to provide key confirmation.

Category / Keywords: cryptographic protocols / Key Agreement, tripartite, elliptic curves, Weil pairing, cryptography, Identity based, ID-based, Diffie-Hellman, Key Agreement Protocols

Date: received 12 Jan 2003, last revised 22 Jan 2003

Contact author: divya at msitprogram net

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Version: 20030122:091902 (All versions of this report)

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