Journal of Cryptology

, Volume 17, Issue 4, pp 263–276 | Cite as

A One Round Protocol for Tripartite Diffie–Hellman

  • Antoine JouxEmail author


In this paper we propose a three participants variation of the Diffie--Hellman protocol. This variation is based on the Weil and Tate pairings on elliptic curves, which were first used in cryptography as cryptanalytic tools for reducing the discrete logarithm problem on some elliptic curves to the discrete logarithm problem in a finite field.

Cryptosystem Key exchange Discrete logarithm Elliptic curve Pairing 


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Copyright information

© International Association for Cryptological Research 2004

Authors and Affiliations

  1. 1.DCSSI Crypto Lab, 51 Bd de Latour-Maubourg, 75700 Paris 07 SPFrance

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