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Efficient Implementation of Password-based Authenticated Key Exchange from RLWE and Post-Quantum TLS

Xinwei Gao Beijing Key Laboratory of Security and Privacy in Intelligent Transportation, Beijing Jiaotong University Jintai Ding Department of Mathematical Sciences, University of Cincinnati Lin Li Beijing Key Laboratory of Security and Privacy in Intelligent Transportation, Beijing Jiaotong University Saraswathy RV Department of Mathematical Sciences, University of Cincinnati Jiqiang Liu Beijing Key Laboratory of Security and Privacy in Intelligent Transportation, Beijing Jiaotong University

TBD mathscidoc:2207.43084

International Journal of Network Security, 20, (5), 923-930, 2018.9
Two post-quantum password-based authenticated key exchange (PAKE) protocols were proposed at CTRSA 2017. Following this work, we give much more efficient and portable C++ implementation of these two protocols. We also choose more compact parameters providing 200-bit security. Compared with original implementation, we achieve 21.5x and 18.5x speedup for RLWE-PAK and RLWE-PPK respectively. Compare with quantum-vulnerable J-PAKE protocol, we achieve nearly 8x speedup. We also integrate RLWE-PPK into TLS to construct a post-quantum TLS ciphersuite. This allows simpler key management, mutual authentication and resistant to phishing attack. Benchmark shows that our ciphersuite is indeed practical
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@inproceedings{xinwei2018efficient,
  title={Efficient Implementation of Password-based Authenticated Key Exchange from RLWE and Post-Quantum TLS},
  author={Xinwei Gao, Jintai Ding, Lin Li, Saraswathy RV, and Jiqiang Liu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220715104622280088663},
  booktitle={International Journal of Network Security},
  volume={20},
  number={5},
  pages={923-930},
  year={2018},
}
Xinwei Gao, Jintai Ding, Lin Li, Saraswathy RV, and Jiqiang Liu. Efficient Implementation of Password-based Authenticated Key Exchange from RLWE and Post-Quantum TLS. 2018. Vol. 20. In International Journal of Network Security. pp.923-930. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20220715104622280088663.
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