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Quantum Information Processing

Secure mutual authentication quantum key agreement scheme for two-party setting with key recycling

Chaonan Wang, Qian Zhang, Shufan Liang, Hongfeng Zhu

Published Apr 5, 2024• 18 citations
Publisher
DOI
10.1007/s11128-024-04356-3

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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.
This paper studied two-party authenticated agreement protocol in the certificateless public setting.Analyzed the security of Liu-xu's certificateless authenticated two-party key agreement protocol,and it was shown that the scheme did not achieve strong security.The scheme was vulnerable to key compromise impersonation attack and leakage of ephemeral secrets attack.The reason why the attack can work was analyzed and proposed an improved scheme to remove the attack.It is not hard to devise certificateless authenticated two-party key agreement protocols that look secure,but making the proofs word is not always so simple.
A two-message two-party key agreement protocol with explicit authentication provides perfect forward secrecy. Digital signatures can usually be used as providing explicit authentication for a key agreement protocol. Shim proposed an efficient identity-based signature scheme using bilinear pairings; however, he did not give a formal security proof for it. In this paper, we present a formal security proof for Shim's signature scheme. Using Shim's signature scheme as building blocks, we propose a new two-party identity-based key agreement protocol with explicit authentication. The proposed protocol satisfies a set of desirable security properties. Compared with the related protocols, the proposed protocol has distinct advantages in terms of security and computational efficiency.