Abstract
VoIP is a service that changes the analogue audio signal into a digital signal and then transfers the audio information to the users after configuring it as a packet; and it has an advantage of lower price than the existing voice call service and better extensibility. However, VoIP service has a system structure that, compared to the existing PSTN (Public Switched Telephone Network), has poor call quality and is vulnerable in the security aspect. To make up these problems, TLS service was introduced to enhance the security. In practical system, however, since QoS problem occurs, it is necessary to develop the VoIP security system that can satisfy QoS at the same time in the security aspect. In this paper, a user authentication VoIP system that can provide a service according to the security and the user through providing a differential service according to the approach of the users by adding AA server at the step of configuring the existing VoIP session is suggested. It was found that the proposed system of this study provides a quicker QoS than the TLS-added system at a similar level of security. Also, it is able to provide a variety of additional services by the different users.
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References
RFC 2617, HTTP Authentication: Basic and Digest Access Authentication, IETF (1999)
RFC 2402, IP Authentication Header, IETF IPSec WG (1998)
RFC 2246, The TLS Prototol Version 1.0, IETF TLS WG (1999)
RFC 3261, SIP: Session Initiation Protocol (June 2002)
Session Initiation Protocol(sip) Working Group, http://www.ietf.org/html.charters/sip-charter.html
Baugher, M., et al.: The Secure Real-time Transport Protocol, IETF draft-ietf-avt-srtp-09.txt (July 2003) (Work in Progress)
Housley, R., et al.: Internt X.509 Public Key Infrastructure: Certificate and CRL Profile, IETF RFC 3280 (April 2002)
Schulzrinne, H., Casner, S., Frederick, R., Jacobson, V.: RTP: A Transport Protocol for Real-time Application, RFC 1889, Audio/Video Transport Working Group (January 1996)
Handley, M., Schulzrinne, H., Schooler, E., Rosenberg, J.: SIP: session initiation protocol, Request for Comments (Proposed Standard) 2543, Internet Engineering Task Force (March 1999)
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© 2010 Springer-Verlag Berlin Heidelberg
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Kim, JM., Jeong, YA., Hong, Ss. (2010). Proposal of Secure VoIP System Using Attribute Certificate. In: Kim, Th., Stoica, A., Chang, RS. (eds) Security-Enriched Urban Computing and Smart Grid. SUComS 2010. Communications in Computer and Information Science, vol 78. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-16444-6_55
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DOI: https://doi.org/10.1007/978-3-642-16444-6_55
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-642-16443-9
Online ISBN: 978-3-642-16444-6
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