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Chinese Journal of Computers

Enhanced Attribute-Based Authenticated Key Agreement Protocol in the Standard Model

Liping Qian

Published Jan 1, 2013• 0 citations
OpenAlex

Abstract

In this paper,we propose an enhanced attribute-based authenticated key agreement(ABAKA)protocol in the standard model.We construct our protocol based on Waters' ciphertextpolicy attribute-based encryption with a simple and compact conversion technique to the chosenplaintext attack(CPA)security from the chosen-ciphertext attack(CCA)security.The protocol is provably secure in the CK+ model which provides the strongest definition of security for authenticated key agreement protocol at present.The protocol can provide weak perfect forward secrecy and resist key compromise impersonation and leakage of ephemeral key attacks.Compared with the existing ABAKA protocols,our protocol is more efficient in communication cost and obtains stronger security.

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In this paper,we propose an enhanced attribute-based authenticated key agreement(ABAKA)protocol in the standard model.We construct our protocol based on Waters' ciphertextpolicy attribute-based encryption with a simple and compact conversion technique to the chosenplaintext attack(CPA)security from the chosen-ciphertext attack(CCA)security.The protocol is provably secure in the CK+ model which provides the strongest definition of security for authenticated key agreement protocol at present.The protocol can provide weak perfect forward secrecy and resist key compromise impersonation and leakage of ephemeral key attacks.Compared with the existing ABAKA protocols,our protocol is more efficient in communication cost and obtains stronger security.
Attribute-based authenticated key agreement(ABAKA) protocol is used to establish session key among parties in the communication environment in which the identity information of individual is protected.Attribute-based extended Canetti-Krawczyk(ABe CK) model is a model with more security applying to the security proof of ABAKE protocol.This paper presents gap computational parallel bilinear Diffie-Hellman exponent(GCPBDHE) assumption based on gap computational Diffie-Hellman(GCDH) assumption.Based on Waters scheme,it establishes an ABAKA protocol,and proves its security in ABe CK model under GCPBDHE and CDH assumptions.Compared with the existing ABAKE protocols,the new protocol is more efficient in communication cost.
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.
In this paper, we propose a generic construction of one-round attribute-based (implicitly) authenticated key exchange (ABAKE). The construction is based on a chosen-ciphertext (CCA) secure attribute-based KEM and the decisional Diffie-Hellman (DDH) assumption. If an underlying attribute-based KEM scheme allows expressive access controls and is secure in the standard model (StdM), an instantiated ABAKE scheme also achieves them. Our scheme enjoys the best of both worlds: efficiency and security. The number of rounds is one (optimal) while the known secure scheme in the StdM is not one-round protocol. Our scheme is comparable in communication complexity with the most efficient known scheme that is not proved in the StdM. Also, our scheme is proved to satisfy security against advanced attacks like key compromise impersonation.
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.