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Yunnan Daxue xuebao. Shehui kexue ban

Authenticated homomorphism key agreement protocol based on NTRU public key cryptosystem

Luo Bing-con

Published Jan 1, 2014• 0 citations
OpenAlex

Abstract

This paper analyzed the common key agreement protocol. Based on the homomorphic encryption mechanism and NTRU Public Key Cryptosystem,the authenticated homomorphism key agreement protocol based on NTRU Public Key Cryptosystem was presented. The session key created by the that protocol was authenticated,contributory and forward secrecy. Compared with the key agreement protocol based on the other public key cryptosystem,it has better security and efficiency. The improved BAN logic was used to analyze the protocol formally,and the security of the protocol was proved.

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This paper analyzed the common key agreement protocol. Based on the homomorphic encryption mechanism and NTRU Public Key Cryptosystem,the authenticated homomorphism key agreement protocol based on NTRU Public Key Cryptosystem was presented. The session key created by the that protocol was authenticated,contributory and forward secrecy. Compared with the key agreement protocol based on the other public key cryptosystem,it has better security and efficiency. The improved BAN logic was used to analyze the protocol formally,and the security of the protocol was proved.
This paper reviews the basic content of key management,points out the limitation of the existing key agreement protocol.It introduces IBE public key cryptosystems in detail and homomorphic encryption scheme in the integer ring.The homomorphism key agreement based on IBE and homomorphic encryption scheme is presented.Compared with Diffie-Hellman protocol,its operation speed is more quickly;Compared with Key Agreement protocol based on password,it has better security.The protocol can use the public key of IBE to create the contributory,forward secrecy the session key.Finally,the security of the protocol is proved by BAN logic.
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.
In this paper, we present a new efficient authenticated key agreement protocol. Compared with other cross-domain protocols which are all in the same cryptosystem, our protocol is innovatively designed to shift between the Public Key Infrastructure (PKI) and the Identity-based Cryptosystem (IBC). This protocol combined with heterogeneous signcryption method is proved to satisfy confidentiality and unforgeability on the basis of the assumptions of Computational Diffie-Hellman problem (CDHP) and Bilinear Diffie-Hellman problem (BDHP) in the authentication phases, and it simultaneously guarantees the ciphertext anonymity. In addition, it can efficiently resist kinds of active attacks such as known-session key attack, key forge attack, and known-temporary secret key attack. Compared with other two-party authenticated key agreement protocols, the newly proposed key agreement protocol has better security, practicability and efficiency.
As for so many security vulnerabilities, such as readers' ID-disclosure attack, man-in-the-middle attack, spoofing attack in Yao's authentication protocol, we propose a Radio Frequency Identification mutual authentication protocol based on NTRU public key encryption system, and perform formal analysis with GNY logic. The protocol not only has character of once a secret, but also the session key exchanged when mutual authentication protocol completed.Main computing tasks is implemented on the readers, so the pressure of server can be reduced effectively, the position tracking and forward security issues exist in current protocols can be solved as well. Analytic result shows that the proposed mutual authentication protocol can resist replay attack, counterfeit attack, denial of service attacks and other malicious attacks,and has featuresof low computational complexity,little communication,high efficiency. It is suitable for apply this protocol in low-cost tags.
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.