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International Conference on Recent Trends in Information Technology

Robust Framework for Certificateless Authenticated Key Agreement Protocol

Smita R. Chunamari, D. G. Borse

Published Feb 2, 2013• 0 citations
OpenAlex

Abstract

Authenticated key agreement protocol is exploited to share a secret key for encrypting information being transferred between two or additional parties over a public network. In this implementation can produce multiple public keys for a corresponding private key. In this paper, an alternative key generation technique is proposed for certificate less public key cryptography in order to have one public key for one private key. This will improve the security features of the relevant key generation.

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Authenticated key agreement protocol is exploited to share a secret key for encrypting information being transferred between two or additional parties over a public network. In this implementation can produce multiple public keys for a corresponding private key. In this paper, an alternative key generation technique is proposed for certificate less public key cryptography in order to have one public key for one private key. This will improve the security features of the relevant key generation.
Authenticated key agreement protocol is used to share a secret key for encrypting data being transferred between two or more parties over a public network. An implementation of this protocol is the certificateless key agreement which utilizes the features of the identity-based public key cryptography and the traditional public key infrastructure. This implementation can produce multiple public keys for a corresponding private key. In this paper, an alternative key generation technique is proposed for certificateless public key cryptography in order to have one public key for one private key. This will improve the security features of the relevant key generation. Furthermore, the efficiency of the proposed protocol is presented in terms of computational operation. The comparison analysis shows that the proposed protocol conveys better efficiency with all the known security attributes compared to the existing protocols.
Key agreement protocols are multi-party protocols in which entities exchange public information allowing them to create a common secret key that is known only to those entities and which cannot be predetermined by any party. Recently, the notion of certificateless public key cryptography was introduced to mitigate the heavy certificate management burden in traditional public key infrastructure and key escrow problem in ID-based cryptosystem. In this paper, we present an efficient certificateless three-party authenticated key agreement protocol based on certificateless signature scheme. We show that the proposed protocol is secure (i.e. conforms to defined security attributes) while being efficient.
Key agreement protocols are multi-party protocols in which entities exchange public information allowing them to create a common secret key that is known only to those entities and which cannot be predetermined by any party. Key agreement can be achieved using a public key infrastructure or identity-based cryptography. However, the former suffers from a heavy certificate management burden, while the latter is subject to the so-called key escrow problem. Recently, the notion of certificateless public key cryptography (CL-PKC) was introduced to mitigate these limitations. In this paper, we introduce the notion of three-party authenticated key agreement into CL-PKC and propose a concrete certificateless three-party authenticated key agreement protocol. We show that the proposed protocol is secure (i.e. conforms to defined security attributes) while being efficient.
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.
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.