Abstract—SRTP has been designed to provide confidentiality, message authentication and replay protection to the RTP traffic. It is very useful for protecting against voice and video stream eavesdropping. However, a good key management protocol is needed to support SRTP. SDES, ZRTP, and DTLS-SRTP have been proposed as keying protocols. Yet, from the literature, all of them have some drawbacks. So, in this paper, we propose a technique to enhance the SDES protocol to be more secure.
Index Terms—VoIP keying protocol, SDES, SRTP, VoIP security
S. Puangpronpitag is with the Department of Computer Science, Faculty of Informatics, Maharakham University (e-mail: email@example.com, firstname.lastname@example.org).
Cite: S. Puangpronpitag and P. Kasabai, "MSDES: More SDES Key Agreement for SRTP," International Journal of Computer Theory and Engineering vol. 4, no. 5, pp. 777-780, 2012.