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Journal of Information Engineering University

Analysis and Improvement of an ID-Based Key Agreement Protocol

Chuangui Ma

Published Jan 1, 2010• 0 citations
OpenAlex

Abstract

The design of secure key agreement protocols is still notoriously hard,with many famous authenticated key agreement protocols have flaws.This paper analyses an ID-based key agreement protocol proposed by Lim et al.in 2008,gives the session state reveal attack and the ephemeral reveal attack to Lim protocol,and finally,presents the improved protocol to solve these problems.

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Computer Engineering and Applications Journal•Jan 1, 2010•0 citations
The design of secure key agreement protocols is still notoriously hard,with many famous authenticated key agreement protocols have flaws.This paper analyses an ID-based key agreement protocol proposed by Lim et al.in 2008,gives the session state reveal attack and the ephemeral reveal attack to Lim protocol,and finally,presents the improved protocol to solve these problems.
The security of a recently proposed ID-based authenticated key agreement protocol was analyzed,and an enhanced ID-based authenticated key agreement protocol is presented based on the previous work. a malicious PKG (private key generator) can still obtain all of the agreed session keys, that is, it doesn't provide PKG-forward secrecy in escrowless mode. Aiming at the security flaws of an existing ID-based key agreement Protocol and a key agreement Protocol for multi-trustdomain proposed based on the new variant mode of ID- Base public key infrastrueture(PKI), an improved scheme is proposed. The new scheme can avoid excessive power of KGC to make up the security flaws in the original protocols, which has a higher level of security. The new schemes have many properties such as equal contribution; non-key control; against man-in-middle attack; etc.
We analyse the existing ID-based authenticated key agreement protocols, and find out that several proposed protocols of this type do not satisfy related security attributes. This paper reviews Wang's, He's and Guo's protocols sequentially, and shows key compromise impersonation attack on Wang's scheme, ephemeral secrets reveal attack on He's scheme, key reveal attack and ephemeral secrets reveal attack on Guo's scheme, respectively, Finally, this paper proposes some improving suggestions on corresponding weaknesses of these protocols.
Authenticated key agreement protocols are essential for secure communications in open and distributed environments. The protocol design is, however, extremely error-prone due to the inherent complexity of this problem. In this paper, we revisit an efficient identity-based (ID-based) authenticated key agreement protocols due to Lee and Lee. We reveal previously unpublished flaws in the protocol, whereby we demonstrate that it is vulnerable to key control attacks which violate its claimed security attributes. We then put forward an improved protocol to fix the identified security problem.
The security of a provably secure identity-based authenticated key agreement protocol in the standard model was analyzed,and it was found that the protocol used in escrowless mode has security flaws.When the private key generator(PKG) is controlled or attacked,all of the session keys can be obtained.To resist this attack,the identity-based authenticated key agreement protocol was improved.This new protocol was proven to be secure in the standard model and has the property of not needing session key escrow.
The security attributes of three provable secure ID-based authenticated key agreement protocols are analyzed,and an enhanced ID-based authenticated key agreement protocol is presented based on the previous work.The new scheme achieves most of the known security attributes,such as known-key secrecy,key-compromise impersonation resilience,unknown key-share resilience,no-key control and message independence,especially the PKG-forward secrecy and known session-specific temporary information secrecy attributes,meanwhile keeping with the nice efficiency.