①西安电子科技大学ISN国家重点实验室 西安 710071;②Schoole of Computer Science and Software Engineering, University of Wollongong, Wollongong, NSW 2522
An Identity-Based Authenticated Key Agreement Protocol without Bilinear Pairing
Cao Xue-fei①; Kou Wei-dong①; Fan Kai①; Zhang Jun②
①State Key Laboratory of ISN, Xidian University, Xi’an 710071, China;②Schoole of Computer Science and Software Engineering, University of Wollongong, Wollongong, NSW 2522
Abstract：Most available Identity-based Authenticated Key agreement (ID-AK) protocols require expensive bilinear pairing operation. This paper proposes a pairing-free ID-AK protocol from additive elliptic curve group. The new protocol eliminates the pairing operations, and reduces overall computation time by at least 33.3 percent compared with previous ID-AK protocols. The new protocol also satisfies master key forward secrecy, perfect forward secrecy and key compromise impersonation resilience. The security of the proposed protocol can be reduced to the standard Computational Diffie-Hellman assumption in the random oracle model.
2009, Vol. 31 
