A New Approach to Authentication Mechanism in IP Multimedia Subsystem

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Provided by: International Journal of Soft Computing and Software Engineering (JSCSE)
Topic: Security
Format: PDF
Regarding integrity in infrastructure networks and implementing IP Multimedia Subsystem (IMS) architecture, security has found considerable importance. IMS uses two signaling protocols named Session Initiated Protocol (SIP) and diameter. In this paper, the authors concentrate on SIP. Since SIP is an open source protocol and does one-sided authentication, it is vulnerable. In this paper, they propose a mutual authentication mechanism in SIP. In this paper, they eliminate the problems in HTTP digest authentication. This method protects the network against offline guess attack and man-in-middle replay attack.
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