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Enhanced ID-based Authenticated Key AgreementProtocols for a Multiple Independent PKG Environment

Title
Enhanced ID-based Authenticated Key AgreementProtocols for a Multiple Independent PKG Environment
Author
오희국
Keywords
ID-based cryptosystem; key agreement protocol; multiple PKG environment
Issue Date
2005-12
Publisher
SPRINGER-VERLAG BERLIN
Citation
International Conference on Information and Communications Security; ICICS 2005: Information and Communications Security, Page. 323-335
Abstract
In 2005, Lee et al. proposed an ID-based 2-party key agreement protocol between users whose private keys were issued by independent PKGs that do not share any system parameters. This work was the first kind that assumes completely independent multiple PKG environment. However, Lee et al. protocol has a flaw that allows attackers to impersonate others without knowing their private keys. In this paper, we propose a modification to the protocol of Lee et al. that prevents impersonation attacks.We also show a simple technique that can improve the efficiency of tripartite key agreement protocol of Lee et al. We also provide analysis of the security and efficiency of the proposed protocols.
URI
https://link.springer.com/chapter/10.1007/11602897_28http://repository.hanyang.ac.kr/handle/20.500.11754/112085
ISBN
978-3-540-30934-5
DOI
10.1007/11602897_28
Appears in Collections:
COLLEGE OF COMPUTING[E] > COMPUTER SCIENCE(소프트웨어학부) > Articles
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