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姓名:孙超

职称:副研究员

电话:

办公室:四牌楼校区李文正楼北425

个人主页:https://sunchaopku.github.io/crypto/

邮箱:101013773@seu.edu.cn

教育背景

大阪大学,信息学研究科,特任助理教授 2023 - 2024


京都大学,信息学研究科, 密码学,硕士、博士 (导师:Mehdi Tibouchi, Masayuki Abe)2023


东京大学,信息理工学系研究科,研究助理 2016 - 2017


北京大学,元培学院,计算机科学技术,学士 2016

学术兼职

  • Program Committee: Latincrypt 2023, ACNS 2024, ISC 2025, CANS 2025

  • (sub-)Reviewer: TCC 2021, Eurocrypt 2022, Eurocrypt 2023, CT-RSA 2023, Crypto 2023, Inscrypt 2023, IEEE S&P 2024, Asiacrypt 2024,PQcrypto 2025, Journal of Cryptology, Discrete Applied Mathematics,Theoretical Computer Science


研究领域

后量子密码,格密码,密码学中的数学问题,密码分析与攻击


研究概况

长期从事后量子密码(尤其是格密码)、密码分析、密码学中的数学问题相关研究,在国际密码学领域的顶级会

议Asiacrypt、CHES等发表多篇学术论文,设计的格密码数字签名算法提交到美国NIST后量子密码全球征集。


最近动态

研究课题

奖励与荣誉

第九届(2024)全国高校密码数学挑战赛华东赛区一等奖、全国二等奖


课程信息

1、《批判性思维》暑期课程


2、《程序设计基础及语言


学术成果


  • Quan Yuan,Chao Sun,Tsuyoshi Takagi,“Revisiting the Security of Fiat-Shamir Signature Schemes Under Superposition Attacks”, ACISP 2024


  • Thomas Espitau, Thi Thu Quyen Nguyen, Chao Sun, Mehdi Tibouchi, Alexandre Wallet, “Antrag: Annular NTRU Trapdoor Generation”, Asiacrypt 2023.


  • Thomas Espitau, Guilhem Niot, Chao Sun, Mehdi Tibouchi, “Squirrels: Square Unstructured Integer Euclidean Lattice Signature”, Round 1 candidate of NIST Additional Call for Post-quantum Digital Signature Schemes.


  • Chao Sun, Thomas Espitau, Mehdi Tibouchi, Masayuki Abe, “Guessing Bits: Improved Lattice Attacks on (EC)DSA with Nonce Leakage”, IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES), Volume 2022, Issue 1.


  • Chao Sun, Mehdi Tibouchi, Masayuki Abe, “Revisiting the Hardness of Binary Error LWE”, The 27th Australasian Conference on Information Security and Privacy (ACISP 2020).


其他

理想的学生:有一定的数学功底(尤其是代数)、英语阅读、听说能力、一定的编程能力(如数学工具Sagemath、Matlab、Maxima等 )


推荐书目:

            Abstract Algebra, Dummit && Foote

            Algebra, Serge Lang

            Algebraic Number Theory, James Milne

            Linear Algebra Done Right,  Sheldon Axler

            Linear Algebra and its Applications, Gilbert Strang

            Matrix Analysis,  Horn && Johnson 

            Introduction to Finite Field and its applications, Lidl && Niederreiter

            Introduction to Modern Cryptography, Katz && Lindell

            A Decade of Lattice Cryptography, Chris Peikert

            Complexity of Lattice Problems: A Cryptographic Perspective, Micciancio && Goldwasser