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Secure VoIP: call establishment and media protection
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
KTH, School of Information and Communication Technology (ICT).
KTH, School of Information and Communication Technology (ICT), Microelectronics and Information Technology, IMIT.
2005 (English)In: Proceedings of 2nd Workshop on Securing Voice over IP, 2005Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we study the possibility of establishing a secure VoIP telephone call using SIP. Different security services relevant for VoIP are presented and we argue that end-to-end authentication and encryption should be provided by default. For media protection we evaluate the possibility of using either SRTP or IPSec, and we examine several alternatives of how a secure VoIP call can be established. The solution we suggest is based on SRTP for media protection, S/MIME and MIKEY for end-to-end authentication and keying, and TLS for hop-by-hop protection of SIP messages. We also present measurements of secure call establishment for MIKEY, SRTP and IPSec using our own SIP user agent (minisip). Our conclusion is that the call establishment delay will not be significantly affected by introducing these security protocols.

Place, publisher, year, edition, pages
2005.
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-26065OAI: oai:DiVA.org:kth-26065DiVA: diva2:369651
Conference
2nd Workshop on Securing Voice over IP, June 2005, Washington DC, USA
Note
QC 20101111Available from: 2010-11-11 Created: 2010-11-11 Last updated: 2010-11-11Bibliographically approved
In thesis
1. Secure Internet telephony: design, implementation and performance measurements
Open this publication in new window or tab >>Secure Internet telephony: design, implementation and performance measurements
2006 (English)Licentiate thesis, comprehensive summary (Other scientific)
Place, publisher, year, edition, pages
Stockholm: KTH, 2006. 11 p.
Series
Trita-ICT-ECS AVH, ISSN 1653-6363 ; 06:04
National Category
Telecommunications
Identifiers
urn:nbn:se:kth:diva-4080 (URN)
Presentation
2006-06-15, Sal E, KTH-Forum, Isafjordsgatan 39, plan 5, Kista, 13:00
Opponent
Supervisors
Note
QC 20101111Available from: 2006-08-22 Created: 2006-08-22 Last updated: 2010-11-11Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
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More styles
Language
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  • Other locale
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Output format
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