RING, CHOO, FOO and LOOI (2006) A New Authentication Mechanism and Key Agreement Protocol for SIP Using Identity-based Cryptography

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A New Authentication Mechanism and Key Agreement Protocol for SIP Using Identity-based Cryptography

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CONTRIBUTORS:

	Author:	RING, JARED
	Author:	CHOO, KIM-KWANG RAYMOND (Australian Institute of Criminology)
	Author:	FOO, ERNEST
	Author:	LOOI, MARK
	Editor:	Andrew Clark
	Editor:	Mark McPherson
	Editor:	George Mohay

PROCEEDINGS TITLE:

AusCERT Asia Pacific Information Technology Security Conference (AusCERT2006): Refereed R&D Stream

YEAR:

2006

PUB TYPE:

Conference Paper in Proceedings

PAGES:

57 - 72

SUBJECT(S):

None

DISCIPLINE:

Computer Science

HTTP:

http://www.isi.qut.com/events/auscert2006/proceedings/

LANGUAGE:

English

PUB ID:

103-429-548 (Last edited on 2006/08/24 17:45:31 GMT-6)

SPONSOR(S):

ABSTRACT:
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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