Session Initiation Protocol (SIP) is a powerful signaling protocol that increasingly used for administrating Voice over IP (VoIP) phone calls. SIP authentication mechanism is based on HTTP Digest authentication, which this scheme is insecure; such as off-line password guessing attacks and impersonate other parties and etc. So proposed different schemes to secure the SIP authentication. In the year 2012, Tang et al. proposed a SIP authentication protocol using elliptic curve cryptography (ECC), but their scheme is insecure against off-line password guessing and Registration attacks. We proposed an ECC-based authentication scheme for SIP to overcome such security problems and analysis of security of the ECC-based protocol.

Login Required

Please login to access the full PDF of this article.

🔑 Author Login