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CIS
2007
Springer
14 years 5 months ago
A New Provably Secure Authentication and Key Agreement Mechanism for SIP Using Certificateless Public-Key Cryptography
The session initiation protocol (SIP) is considered as the dominant signaling protocol for calls over the internet. However, SIP authentication typically uses HTTP digest authentic...
Fengjiao Wang, Yuqing Zhang
ICC
2007
IEEE
165views Communications» more  ICC 2007»
14 years 5 months ago
Cryptographically Transparent Session Initiation Protocol (SIP) Proxies
—Proxies provide important rendezvous service in the Session Initiation Protocol (SIP), but it comes at a cost to privacy. A SIP proxy is privy to all of the signaling exchanged ...
Vijay K. Gurbani, Dean Willis, Francois Audet
CSREASAM
2006
14 years 7 days ago
Application of Gaussian Estimation for Devising Reliable Vulnerability Assessment on SIP-based VoIP Infrastructure
The Session Initiation Protocol (SIP) is an application-layer protocol commonly used in VoIP for communication over the Internet. In this paper we describe a method to assess a pa...
Mohammad Chowdhury, Bon Sy, Rasheed Ahmad
SIP
2007
14 years 8 days ago
Matting through variational inpainting
While current matting algorithms work very well for some natural images, their performance is questionable in the presence of sharp discontinuities in the foreground and backgroun...
Kangyu Ni, Sheshadri R. Thiruvenkadam, Tony F. Cha...
SIP
2007
14 years 8 days ago
Occlusion tracking using logic models
We present a variational PDE based model for tracking objects under occlusion. Here, prior shape information is used to segment object boundaries that are occluded. The novelty in...
J. H. von Brecht, Sheshadri R. Thiruvenkadam, Tony...