2007•Wuhan University Journal of Natural SciencesRequires access

Escrow-free certificate-based authenticated key agreement protocol from pairings

Shengbao Wang, Zhenfu Cao

Abstract

Key agreement protocols are essential for secure communications. In this paper, to solve the inherent key escrow problem of identity-based cryptography, an escrow-free certificate-based authenticated key agreement (CB-AK) protocol with perfect forward secrecy is proposed. Our protocol makes use of pairings on elliptic curves. The protocol is described and its properties are discussed though comparison with Smart’s protocol.

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Available abstract

Key concepts: Key escrow, Computer science, Forward secrecy, Oakley protocol, Key-agreement protocol, Protocol (science), Computer security, Certificate