A provably secure authenticated key exchange protocol based on lattice with stronger anonymity

Yunfan Song; Songhui Guo; Yeming Yang; Haidong Liu

doi:10.1117/12.2679295

12 May 2023 A provably secure authenticated key exchange protocol based on lattice with stronger anonymity

Yunfan Song, Songhui Guo, Yeming Yang, Haidong Liu

Proceedings Volume 12641, International Conference on Cryptography, Network Security, and Communication Technology (CNSCT 2023); 126410C (2023) https://doi.org/10.1117/12.2679295
Event: International Conference on Cryptography, Network Security, and Communication Technology (CNSCT 2023), 2023, Changsha, China

Abstract

Stronger anonymity password authentication key exchange protocols based on traditional cryptography are not resistant to quantum computing attacks, and there is no lattice-only anonymous password authentication key exchange protocol protocol that satisfies the strong anonymity requirement. Therefore, this paper constructs stronger anonymity PAKE protocol based on the ring learning with errors (RLWE) and smooth projective hash function (SPHF) based on ideal lattice. The proposed protocol can achieve stronger anonymity and resists to desynchronization attacks and quantum attack. The security of the protocol is proved under the BPR model. The security and performance analysis shows that the proposed PAKE protocol has better advantages in security and efficiency.

Citation Download Citation

Yunfan Song, Songhui Guo, Yeming Yang, and Haidong Liu "A provably secure authenticated key exchange protocol based on lattice with stronger anonymity", Proc. SPIE 12641, International Conference on Cryptography, Network Security, and Communication Technology (CNSCT 2023), 126410C (12 May 2023); https://doi.org/10.1117/12.2679295

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