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Title: Reusing static keys in key agreement protocols
Authors: Chatterjee, Sanjit
Menezes, Alfred
Ustaoğlu, Berkant
Keywords: Cryptography
Key agreement protocols
Public key cryptography
Security model
Issue Date: 2009
Publisher: Springer Verlag
Source: Chatterjee, S., Menezes, A., and Ustaoğlu, B. (2009). Reusing static keys in key agreement protocols. Lecture Notes in Computer Science, 5922 LNCS, 39-56. doi:10.1007/978-3-642-10628-6_3
Abstract: Contrary to conventional cryptographic wisdom, the NIST SP 800-56A standard explicitly allows the use of a static key pair in more than one of the key establishment protocols described in the standard. In this paper, we give examples of key establishment protocols that are individually secure, but which are insecure when static key pairs are reused in two of the protocols. We also propose an enhancement of the extended Canetti-Krawczyk security model and definition for the situation where static public keys are reused in two or more key agreement protocols. © 2009 Springer-Verlag.
Description: 10th International Conference on Cryptology in India, INDOCRYPT 2009; New Delhi; India; 13 December 2009 through 16 December 2009
ISBN: 9783642106279
ISSN: 0302-9743
Appears in Collections:Mathematics / Matematik
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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