Lightweight security scheme of identity-based cryptography for SIP
MOU Ming-lang1, WANG Wei2
1. Electromechanical Department, Sichuan Technology and Business College, Dujiangyan Sichuan 611830, China
2. The No. 63636 Army of PLA, Lanzhou Gansu 732750, China
Abstract:For Session Initiation Protocol (SIP) based security mechanism of IP Multimedia Subsystem(IMS), the threats and attacks on SIP were analyzed. The Identity-Based Cryptography (IBC) based lightweight security scheme for SIP was proposed, combined with Identity-Based Authenticated Key Agreement (IBAKA) and integrity of critical header fields. The security of the proposed scheme was analyzed, and its security and attack-resistance were compared with other typical schemes. The experimental results indicate that the new protocol improves greatly in security and suffers fewer threats.