[Resource Topic] 2004/343: Revisit Of McCullagh--Barreto Two-Party ID-Based Authenticated Key Agreement Protocols

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Revisit Of McCullagh–Barreto Two-Party ID-Based Authenticated Key Agreement Protocols

Authors: Kim-Kwang Raymond Choo


The recently proposed two-party ID-based authenticated key agreement protocols (with and without escrow) and its variant resistant to key-compromise impersonation by McCullagh & Barreto are revisited. The protocol carries a proof of security in the Bellare & Rogaway (1993) model. In this paper, it is demonstrated that the protocols and its variant are not secure if the adversary is allowed to send a Reveal query to reveal non-partner players who had accepted the same session key.

ePrint: https://eprint.iacr.org/2004/343

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