A new authentication mechanism and key agreement protocol for SIP using identity-based cryptography
Ring, Jared W., Cho, Kim-Kwang R., Foo, Ernest, & Looi, Mark H. (2006) A new authentication mechanism and key agreement protocol for SIP using identity-based cryptography. In Clark, Andrew, McPherson, Mark, & Mohay, George (Eds.) AusCERT Asia Pacific Information Technology Security Conference 2006, 23 May 2006, Gold Coast, Australia.
The Session Initiation Protocol (SIP) protocol is commonly used to establish Voice over IP (VoIP) calls. IETF SIP standards do not specify a secure authentication process thus allowing malicious parties to impersonate other parties or to charge calls to other parties. This paper proposes an extension to the SIP protocol that uses an identity-based authentication mechanism and key agreement protocol. These extensions provide stronger cryptographic assurances for VoIP authentication and enable provably secure key agreement between users. The use of ID based cryptography means that a large Public Key Infrastructure (PKI) is not required thus making this protocol viable for large scale implementation.
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|Item Type:||Conference Paper|
|Keywords:||Session Initiation Protocol, Identity, based Authentication, Key Agreement Protocol|
|Subjects:||Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2006 (please consult author)|
|Deposited On:||19 Jul 2006|
|Last Modified:||29 Feb 2012 23:18|
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