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International Conference on Intelligent Control and Information Processing

A one-round ID-based authenticated key agreement protocol with enhanced security

Mengbo Hou, Qiuliang Xu

Published Jul 1, 2011• 2 citations
Publisher

Abstract

Authenticated key agreement protocol is used to set up the session key and establish secure channel for network communication in the open environment. So far, great deals of identity-based protocols have been proposed to provide robust mutual authentication and key establishment in the two-party setting. Majority of the existing identity-based key agreement protocols require expensive bilinear pairing operation and only provide limited security attributes. Therefore, such protocols are unsuitable for real-world applications that require stronger sense of secrecy. In this paper, we first analysis some of the schemes proposed recently, and then present a one-round ID-based authenticated key agreement protocol with enhanced security attributes, which doesn't need pairing operation and achieves most of the required security attributes, such as known-key secrecy, perfect forward secrecy, PKG Forward Secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. In addition, it captures the enhanced security attributes-Known session-specific temporary key information secrecy.

DOI
10.1109/icicip.2011.6008230

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Authenticated key agreement protocol is used to set up the session key and establish secure channel for network communication in the open environment. So far, great deals of identity-based protocols have been proposed to provide robust mutual authentication and key establishment in the two-party setting. Majority of the existing identity-based key agreement protocols require expensive bilinear pairing operation and only provide limited security attributes. Therefore, such protocols are unsuitable for real-world applications that require stronger sense of secrecy. In this paper, we first analysis some of the schemes proposed recently, and then present a one-round ID-based authenticated key agreement protocol with enhanced security attributes, which doesn't need pairing operation and achieves most of the required security attributes, such as known-key secrecy, perfect forward secrecy, PKG Forward Secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. In addition, it captures the enhanced security attributes-Known session-specific temporary key information secrecy.
Two-Party Authenticated key agreement protocol is essential for setting up the common session key for parties to establish secure channel for network communication in the open environment. Most of proposed schemes require expensive bilinear pairing operation and only provide limited security attributes. So such protocols are unsuitable for real-world applications that require stronger sense of secrecy. In this paper, we first analysis two schemes recently proposed by Cao etc., and then present a one-round ID-based authenticated key agreement protocol with more desired security attributes, which need no pairing operations while still achieve nice computational efficiency. These security attributes include known-key secrecy, perfect forward secrecy, PKG forward secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. Moreover, it captures the enhanced security attributes known session-specific temporary key information secrecy, which means that even the ephemeral secret key were compromised, the adversary can hardly acquire the agreed session key.
In an open and distributed environment, authenticated key agreement protocol, as an important cryptographic primitive, is used to authenticate entities and establish session key in order to provide secure communications. Key escrow is essential in situations where confidentiality and audit trail are legal requirements, whilst perfect forward secrecy and known session-specific temporary information secrecy attributes are desirable to provide stronger security. In this paper, we give a cryptanalysis on the scheme due to Wang et al., which is based on the identity-based encryption scheme proposed by Gentry (Eurocrypt'06), and then present an enhanced secure two-party identity-based authenticated key agreement protocol. The new proposed protocol achieves most of the required security attributes and can be used properly in the escrow mode. Security analysis shows that it achieves the attributes of known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. In addition, it captures the perfect forward secrecy and known session-specific temporary information secrecy attributes.
To provide secure communications in open and distributed environments, authenticated key agreement protocol is an important primitive for establishing session key. So far, great deals of identity-based protocols have been proposed to provide robust mutual authentication and key establishment in two-party setting. Majority of the existing escrowable identitybased key agreement protocols, however, only provide partial forward secrecy. Therefore, such protocols are unsuitable for real-world applications that require a stronger sense of forward secrecy -- perfect forward secrecy. In this paper, we present a secure two-party identity-based authenticated key agreement protocol, which was inspired on an identity-based encryption scheme first proposed by Gentry (Eurocrypt'06). The proposed protocol achieves most of the required security attributes and can be used properly in the escrow mode. We show that the scheme achieves the attributes of known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. In addition, it captures the perfect forward secrecy attribute.
Authenticated key agreement protocol is an important primitive for establishing session key to provide secure communications in open and distributed environment. Key escrow is essential in situations where confidentiality and audit trail are legal requirements, whilst perfect forward secrecy is desirable to provide stronger security. i.e. the adversary couldn't acquire the past session keys even the long term key of user was compromised. In this paper, we present a secure two-party identity-based authenticated key agreement protocol, which was inspired on a new identity-based encryption scheme first proposed by Gentry (Eurocrypt'06). The new protocol achieves most of the required security attributes and can be used properly in the escrow mode. We show that the scheme achieves the attributes of known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience and no key control. In addition, it captures the perfect forward secrecy attribute.
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.
Key agreement protocols are essential for secure communications in open and distributed environments. Identity-based cryptography has become extremely fashionable in the last few years for its special advantages. In this paper, we point out some flaw in the scheme proposed by Wang et al., then we present a two-party identity-based explicit authenticated key agreement protocol with key confirmation, which was inspired on a new identity-based encryption scheme first proposed by Gentry and can be used properly in the escrowless mode. The scheme captures the attributes of known-key secrecy, key-compromise impersonation resilience, unknown key-share resilience, perfect forward secrecy, and no-key control. Especially, the scheme captures the PKG forward secrecy property. The PKG still could not recover all the userspsila past session keys even he knows the long-term private keys of all users.