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Keywords
(4)
Key Agreement Protocol
Security Analysis
Security Model
Unified Model
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Combined Security Analysis of the One and Three-Pass Unified Model Key Agreement Protocols
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Combined Security Analysis of the One and Three-Pass Unified Model Key Agreement Protocols
(
Citations: 1
)
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Sanjit Chatterjee
,
Alfred Menezes
,
Berkant Ustaoglu
The
unified model
(UM) is a family of
key agreement
protocols that has been standardized by ANSI and NIST. The NIST standard explicitly permits the reuse of a static key pair among the one-pass and three-pass UM protocols. However, a recent study demonstrated that such reuse can lead to security vulnerabilities. In this paper we revisit the security of the one- and three-pass UM protocols when static key pairs are reused. We propose a shared
security model
that incorporates the individual security attributes of the two protocols. We then show, provided appropriate measures are taken, that the protocols are secure even when static key pairs are reused.
Conference:
International Conference on Cryptology - INDOCRYPT
, pp. 49-68, 2010
DOI:
10.1007/978-3-642-17401-8_5
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Citation Context
(1)
...Following [
7
], it would be worthwhile to specify a shared security model that incorporates the individual security attributes of KAS1 and KAS2, and formally verify that the protocols are secure even when static key pairs are reused...
Sanjit Chatterjee
,
et al.
A Generic Variant of NIST’s KAS2 Key Agreement Protocol
References
(11)
Efficient One-Round Key Exchange in the Standard Model
(
Citations: 24
)
Colin Boyd
,
Yvonne Cliff
,
Juan Gonzalez Nieto
,
Kenneth G. Paterson
Conference:
Australasian Conference on Information Security and Privacy - ACISP
, pp. 69-83, 2008
Reusing Static Keys in Key Agreement Protocols
(
Citations: 3
)
Sanjit Chatterjee
,
Alfred Menezes
,
Berkant Ustaoglu
Conference:
International Conference on Cryptology - INDOCRYPT
, pp. 39-56, 2009
Authentication and Authenticated Key Exchanges
(
Citations: 466
)
Whitfield Diffie
,
Paul C. Van Oorschot
,
Michael J. Wiener
Journal:
Designs, Codes and Cryptography - DCC
, vol. 2, no. 2, pp. 107-125, 1992
Authenticated Multi-Party Key Agreement
(
Citations: 104
)
Mike Just
,
Serge Vaudenay
Conference:
International Conference on the Theory and Application of Cryptology and Information Security - ASIACRYPT
, pp. 36-49, 1996
HMQV: A High-Performance Secure Diffie-Hellman Protocol
(
Citations: 112
)
Hugo Krawczyk
Conference:
International Crytology Conference - CRYPTO
, pp. 546-566, 2005
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Citations
(1)
A Generic Variant of NIST’s KAS2 Key Agreement Protocol
Sanjit Chatterjee
,
Alfred Menezes
,
Berkant Ustaoglu