Study Of Identity-Based Authenticated Key Exchange Protocol

The key agreement protocol allows protocol honest participants to establish ashared session key in an open channel.Key agreement issues has been accompanied bythe development of public-key cryptography, it has become an essential problem in thecryptography research like encryption and signature. Diffie-Hellman protocol, it isfound that the protocol can not resist man-in-the-middle attack. Researchers around thesecurity of the agreement to carry out extensive and in-depth studies. However, due tothe complexity and diversity of authenticated key agreement protocol securityobjectives, how this type of security modeling and the proof of security is a verydifficult task.In this paper, on the basis of in-depth study has proposed identity-based keyagreement protocol, keeping the forefront of academic research in the field, has beenfollowing research:1. Most of the existing two-party identity-based authenticated key agreementprotocol constructed are based computational cost greatly bilinear of computing. Thispaper proposed a identity-based two-party authenticated key agreement protocol thatbased on elliptic curve discrete logarithm problem, and we proved the safety onsecurity model ID-BJM. Then, we improved the agreement, make it achieve perfectforward security and key validation security attributes.2. Based on the proposed new two-party identity-based authenticated keyagreement protocol, we extend it and obtain an identity-based tripartite authenticatedkey agreement protocol and have a formal security analysis.3. We using the GCC compiler and MIRACL cryptography library, simulation ofthe two-party identity-based authenticated key agreement protocol in the Linuxenvironment. The results of the experiment show that the new protocol proposed in thispaper is correct and feasible.