Robust smart card secured authentication scheme on SIP using Elliptic Curve Cryptography |
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| Affiliation: | 1. Institute of Information System and Applications, National Tsing Hua University, Taiwan;2. Department of Computer Science, National Tsing Hua University, Taiwan;1. Yangpu District, Shanghai University of Electric Power, Shanghai 200090, China;2. The Department of Computer Science and Engineering, University of Puerto Rico at Mayagüez, Puerto Rico 00681, USA;1. Estudis d''Informatica i Multimedia, Universitat Oberta de Catalunya, Rambla del Poblenou, 156, E-08018 Barcelona, Spain;2. Computer Science Department, University of Alcalá, Ctra. Barcelona km. 33, 600, 28871 Alcalá de Henares Madrid, Spain;1. Faculty of Mathematical Sciences, Shahid Beheshti University, Tehran, Iran;2. Department of Economics, Society and Politics(DESP), University of Urbino, Urbino, Italy;1. CTIC Foundation, Research and Development Department, c/Ada Byron s/n, 33203 Gijon, Spain;2. University of Oviedo, Computer Science Department, c/Calvo Sotelo s/n, 33007 Oviedo, Spain |
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| Abstract: | Recently, Voice over Internet Protocol (VoIP) has been one of the more popular applications in Internet technology. For VoIP and other IP applications, issues surrounding Session Initiation Protocol (SIP) have received significant attention. SIP is a widely used signaling protocol and is capable of operating on Internet Telephony, typically using Hyper Text Transport Protocol (HTTP) digest authentication protocol. Authentication is becoming increasingly crucial because it accesses the server when a user asks to use SIP services. In this paper, we concentrate on the security flaws in the current SIP authentication procedure. We propose a secure ECC-based authentication mechanism to conquer many forms of attacks in previous schemes. By a sophisticated analysis of the security of the ECC-based protocol, we show that it is suitable for applications with higher security requirements. |
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