Strongly Secure Certificateless Key Agreement
Lippold, Georg, Boyd, Colin, & Gonzalez Nieto, Juan M. (2009) Strongly Secure Certificateless Key Agreement. Lecture Notes in Computer Science (LNCS), 5671, pp. 206-230.
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Abstract
We introduce a formal model for certificateless authenticated key exchange (CL-AKE) protocols. Contrary to what might be expected, we show that the natural combination of an ID-based AKE protocol with a public key based AKE protocol cannot provide strong security. We provide the first one-round CL-AKE scheme proven secure in the random oracle model.
We introduce two variants of the Diffie-Hellman trapdoor the introduced by \cite{DBLP:conf/eurocrypt/CashKS08}.
The proposed key agreement scheme is secure as long as each party has at least one uncompromised secret. Thus, our scheme is secure even if the key generation centre learns the ephemeral secrets of both parties.
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| ID Code: | 27426 |
|---|---|
| Item Type: | Journal Article |
| Additional URLs: | |
| Keywords: | public key cryptography, key exchange, certificateless, key agreement, random oracle model, eCK, Bilinear Diffie-Hellman Trapdoor, proof |
| DOI: | 10.1007/978-3-642-03298-1 |
| ISBN: | 9783642032974 |
| ISSN: | 0302-9743 (Print) 1611-3349 (Online) |
| Subjects: | Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > DATA FORMAT (080400) > Data Encryption (080402) |
| Divisions: | Past > QUT Faculties & Divisions > Faculty of Science and Technology Past > Institutes > Information Security Institute Past > Schools > School of Information Systems |
| Copyright Owner: | Copyright 2009 Springer |
| Copyright Statement: | This is the author-version of the work. Conference proceedings published, by Springer Verlag, will be available via SpringerLink. http://www.springerlink.com |
| Deposited On: | 21 Sep 2009 12:25 |
| Last Modified: | 29 Feb 2012 23:55 |
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