Welcome to the resource topic for 2005/201
Title:
On Security Proof of McCullagh-Barreto’s Key Agreement Protocol and its Variants
Authors: Zhaohui Cheng, Liqun Chen
Abstract:McCullagh and Barreto presented an identity-based authenticated key agreement protocol in CT-RSA 2005. Their protocol was found to be vulnerable to a key-compromise impersonation attack. In order to recover the weakness, McCullagh and Barreto, and Xie proposed two variants of the protocol respectively. In each of these works, a security proof of the proposed protocol was presented. In this paper, we revisit these three security proofs and show that all the reductions in these proofs are invalid, because the property of indistinguishability between their simulation and the real world was not held. As a replacement, we slightly modify the McCullagh and Barreto’s second protocol and then formally analyse the security of the modified scheme in the Bellare-Rogaway key agreement model.
ePrint: https://eprint.iacr.org/2005/201
See all topics related to this paper.
Feel free to post resources that are related to this paper below.
Example resources include: implementations, explanation materials, talks, slides, links to previous discussions on other websites.
For more information, see the rules for Resource Topics .