The Journal of China Universities of Posts and Telecommunications ›› 2019, Vol. 26 ›› Issue (1): 12-20.doi: 10.19682/j.cnki.1005-8885.2019.0013

• Security • Previous Articles     Next Articles

Two-party certificateless authenticated key agreement protocol with enhanced security

  

  • Received:2018-07-30 Revised:2018-12-16 Online:2019-02-26 Published:2019-02-27

Abstract: Two-party certificateless authenticated key agreement protocol is a hot topic in the field of wireless communication security. This paper proposed an improved two-party certificateless authenticated key agreement protocol with enhanced security,which is of provable security and unforgeability in the extended Canetti-Krawczyk (eCK) security model based on the hardness assumption of the computational Diffie Hellman (CDH) problem. Compared with other similar protocols, it is more efficient and can satisfy security properties such as free of the centralized management of certificate and key, free of bilinear pairings, two-party authentication, resistant to unknown key-share attack, key compromise impersonation attacks, the man-in-the-middle-attack of key generation center (KGC), etc. These properties make the proposed protocol have better performance and adaptability for military communication.

Key words: certificateless cryptography, authenticated key agreement protocol, two-party authentication, protocol security properties