BOYD, CHOO and MATHURIA (2006) An Extension to Bellare and Rogaway (1993) Model: Resetting Compromised Long-Term Keys

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An Extension to Bellare and Rogaway (1993) Model: Resetting Compromised Long-Term Keys

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CONTRIBUTORS:

	Author:	BOYD, COLIN
	Author:	CHOO, KIM-KWANG RAYMOND (Australian Institute of Criminology)
	Author:	MATHURIA, ANISH
	Editor:	Lynn Batten
	Editor:	Rei Safavi-Naini

PROCEEDINGS TITLE:

11th Australasian Conference on Information Security and Privacy - ACISP 2006 (Volume 4058/2006 of Lecture Notes in Computer Science)

YEAR:

2006

PUB TYPE:

Conference Paper in Proceedings

PAGES:

371 - 382

SUBJECT(S):

None

DISCIPLINE:

Computer Science

HTTP:

http://dx.doi.org/10.1007/11780656_31

LANGUAGE:

English

PUB ID:

103-429-546 (Last edited on 2006/08/24 17:50:18 GMT-6)

SPONSOR(S):

ABSTRACT:
A security proof in the Bellare-Rogaway model and the random oracle model is provided for a protocol closely based on one originally proposed by Boyd (1996), which enjoys some remarkable efficiency properties. The model is extended so that it can detect a known weakness of the protocol that cannot be captured in the original model. An alternative protocol, provably secure in the extended model and the random oracle model, offering the same efficiency features as the original protocol is proposed. Moreover, our alternative protocol allows session keys to be renewed in subsequent sessions without the server's further involvement even in the event that the long-term key or the earlier session key have been compromised.

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