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International Conference on Information Technology in Medicine and Education

Secure certificateless-based authenticated key agreement protocol in the client-server setting

Mengbo Hou, Qiuliang Xu

Published Aug 1, 2009• 5 citations
Publisher

Abstract

E-learning communication security should be considered to ensure sensitive message transmission. Authenticated key agreement protocol in the client- server setting is the fundamental building block for ensuring client-server entity authentication, data confidentiality and integrity. So far, great deals of two- party authenticated key agreement protocols were proposed based on traditional public key cryptography and identity-based cryptography, but the certificateless-based authenticated key agreement protocol is seldom discussed. In this paper, we propose such a secure protocol from a certificateless public key encryption scheme due to Park et al. Compared to other comparable protocols, it achieves more security attributes, such as no-key escrow, perfect forward secrecy, known session-specific temporary information security and no-key control etc. Meanwhile, it keeps nice efficiency.

DOI
10.1109/itime.2009.5236215

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E-learning communication security should be considered to ensure sensitive message transmission. Authenticated key agreement protocol in the client- server setting is the fundamental building block for ensuring client-server entity authentication, data confidentiality and integrity. So far, great deals of two- party authenticated key agreement protocols were proposed based on traditional public key cryptography and identity-based cryptography, but the certificateless-based authenticated key agreement protocol is seldom discussed. In this paper, we propose such a secure protocol from a certificateless public key encryption scheme due to Park et al. Compared to other comparable protocols, it achieves more security attributes, such as no-key escrow, perfect forward secrecy, known session-specific temporary information security and no-key control etc. Meanwhile, it keeps nice efficiency.
As the fundamental building block for secure communication in the open network, authenticated key agreement protocols are usually constructed in the public key setting. Certificateless public key cryptography combines the advantage of the identity-based public key cryptography (ID-PKC) and the traditional PKI. In this paper, we present a secure and efficient two-party authenticated key agreement protocol based on the efficient certificateless public key encryption scheme due to Cheng and Comley. Security analysis shows that it achieves perfect forward secrecy, PKG forward secrecy and almost all the other known security attributes for authenticated key agreement protocol, such as known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience, known session-specific temporary information security, message independence and no key control. Compared to other comparable schemes, it is more secure and has nice efficiency.
Authenticated key agreement protocol is the fundamental building block for secure communication in the open network to ensure authentication and confidentiality of e-commerce and e-government applications. Certificateless public key cryptography combines the advantage of the identity-based public key cryptography (ID-PKC) and the traditional PKI. In this paper, we present a secure and efficient two-party authenticated key agreement protocol based on an efficient and secure certificateless public key encryption scheme. It achieves almost all the known security attributes for authenticated key agreement protocol, such as perfect forward secrecy, PKG forward secrecy, key-compromise impersonation resilience, unknown key-share resilience, message independence and no key control. Compared to other comparable schemes, it is more secure and has nice efficiency.
Authenticated key agreement protocol is one of the important cryptographic primitives to ensure secure communication in an open network. Certificateless public key cryptography (CL-PKC) represents an interesting and potentially useful balance between public key cryptography based on certificates and identity-based cryptography. The topic of CL-PKC has undergone quite rapid development with schemes being proposed for encryption and signatures, while certificateless authenticated key agreement protocols are seldom discussed. In this paper, we present a secure two-party authenticated key agreement protocol based on an efficient certificateless public key encryption with pairing. Such a scheme achieves almost all of the security attributes, including known-key secrecy, perfect forward secrecy, PKG forward secrecy, key-compromise impersonation resilience, unknown key-share resilience, known session-specific temporary information security, message independence and no key control. Meanwhile, it is also practical with nice efficiency.
The certificateless -based authenticated key agreement protocols have the advantages of simplicity of managing identities compared to the PKI-based schemes,as well as avoiding the key escrow issues inherited in the identity-based schemes. This paper proposes a two-party certificateless-based authenticated key agreement scheme based on a provably secure certificateless-based public key encryption scheme.The comparisons with other comparable schemes in security and efficiency show that,the new scheme achieves more of the desired security attributes,such as perfect forward secrecy,PKG forward secrecy,known session-specific temporary information secrecy and key escrowless.Meanwhile it keeps the nice computational efficiency.
Authenticated key agreement protocol is used to provide data confidentiality and integrity to subsequent communications among two or more parties over a public network. Certificateless public key cryptography (CL-PKC) combines the advantage of the identity-based public key cryptography (ID-PKC) and the traditional PKI. In this paper, we present a secure and efficient two-party authenticated key agreement protocol based on the certificateless encryption scheme due to Libert and Quisquater. Security analysis shows that it achieves perfect forward secrecy, PKG forward secrecy and almost all the other known security attributes, such as known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience, known session-specific temporary information security, message independence and no key control. Compared to other comparable schemes, it is more secure and efficient.
Certificateless public key cryptography was introduced to overcome the key escrow limitation of the identity-based cryptography. It combines the advantages of the identity-based cryptography and the traditional PKI. Many certificateless public key encryption and signature schemes have been proposed. However, the key agreement in CL-PKE is seldom discussed. In this paper, we present a new certificateless two party authentication key agreement protocol and prove its security attributes. Compared with the existing protocol, our protocol is more efficient.