Researcher
Corporate Research ＆ Development Center Toshiba1 Komukai-toshiba-cho, Saiwai-ku Kawasaki-shi, Kanagawa, 212-8582, Japan work : yacheng1.wang [at] toshiba.co.jppersonal : yacheng.wang [at] icloud.com [Resume]
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🔬 Research Interests
・Toshiba R&DOperations research, OptimizationMachine learningMathematical finance
・Doctoral ProgramMultivariate Public-key CryptographyPolynomial Solving
・Master's ProgramMultivariate Public-key Cryptography
・Toshiba R&DOperations research, OptimizationMachine learningMathematical finance
・Doctoral ProgramMultivariate Public-key CryptographyPolynomial Solving
・Master's ProgramMultivariate Public-key Cryptography
💼 Working Experience
・[04.2021~]Researcher,Corporate Research ＆ Development Center Toshibaprojects : Optimal Trading Strategies at the JEPX intraday market [04.2022~, link]Truck berth allocation and total-picking optimization in a warehouse [04.2023~, link]
・[08.2020~02.2021, 08.2019~02.2020, 02.2019~03.2019] Technical Assistant, The University of Tokyo
・[04.2018~03.2021] JSPS research fellowship for young scientists (DC1)
・[10.2017~01.2018] Teaching Assistant"Partial Differential Equations"Graduate School of MathematicsKyushu University
・[04.2017~07.2017] Teaching assistant,"Introduction to Lattice-based Cryptography"Graduate School of MathematicsKyushu University
・[04.2021~]Researcher,Corporate Research ＆ Development Center Toshibaprojects : Optimal Trading Strategies at the JEPX intraday market [04.2022~, link]Truck berth allocation and total-picking optimization in a warehouse [04.2023~, link]
・[08.2020~02.2021, 08.2019~02.2020, 02.2019~03.2019] Technical Assistant, The University of Tokyo
・[04.2018~03.2021] JSPS research fellowship for young scientists (DC1)
・[10.2017~01.2018] Teaching Assistant"Partial Differential Equations"Graduate School of MathematicsKyushu University
・[04.2017~07.2017] Teaching assistant,"Introduction to Lattice-based Cryptography"Graduate School of MathematicsKyushu University
📚 Education
・[2018.04 - 2021.03] Ph.D. of Mathematics in CryptographyDepartment of Mathematical InformaticsGraduate School of Information Science and TechnologyThe University of TokyoSupervisor : Prof. Tsuyoshi Takagi
・[2019.05 - 2019.07] Mobility studentPolSys, Lip6Sorbonne UniversitySupervisor : Prof. Ludovic Perret, Prof. Jean-Charles Faugère
・[2016.04 - 2018.03] Master of Mathematics in CryptographyGraduate School of MathematicsKyushu UniversitySupervisor : Prof. Tsuyoshi Takagi
・[2015.10 - 2016.03] Research StudentGraduate School of MathematicsKyushu UniversitySupervisor : Prof. Tsuyoshi Takagi
・[2011.08 - 2015.07] Bachelor of Engineering in Information SecuritySchool of Telecommunication EngineeringXidian University
・[2018.04 - 2021.03] Ph.D. of Mathematics in CryptographyDepartment of Mathematical InformaticsGraduate School of Information Science and TechnologyThe University of TokyoSupervisor : Prof. Tsuyoshi Takagi
・[2019.05 - 2019.07] Mobility studentPolSys, Lip6Sorbonne UniversitySupervisor : Prof. Ludovic Perret, Prof. Jean-Charles Faugère
・[2016.04 - 2018.03] Master of Mathematics in CryptographyGraduate School of MathematicsKyushu UniversitySupervisor : Prof. Tsuyoshi Takagi
・[2015.10 - 2016.03] Research StudentGraduate School of MathematicsKyushu UniversitySupervisor : Prof. Tsuyoshi Takagi
・[2011.08 - 2015.07] Bachelor of Engineering in Information SecuritySchool of Telecommunication EngineeringXidian University
📰 Publications
Conference Papers
・(short paper) Simple Matrix Signature SchemeChangze Yin, Yacheng Wang, Tsuyoshi TakagiIWSEC2021[Springer]
・Revisiting the Minrank Attack on Multivariate CryptographyYacheng Wang, Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi TakagiWISA2020[Springer] [pdf]
・Multivariate Encryption Schemes Based on Polynomial Equations over Rational NumbersTakanori Yasuda, Yacheng Wang, Tsuyoshi TakagiPQCrypto 2020[Springer] [pdf] [recorded YouTube][live talk]
・A Structural Attacks on Block-Anti-Circulant UOV at SAC2019Hiroki Furue, Koha Kinjo, Yasuhiko Ikematsu, Yacheng Wang, Tsuyoshi TakagiPQCrypto 2020[Springer] [pdf] [recorded YouTube][live talk]
・Efficient Decryption Algorithms for Extension Field Cancellation Type Encryption SchemesYacheng Wang, Yasuhiko Ikematsu, Dung H. Duong, Tsuyoshi TakagiACISP 2018 [Springer] [pdf]
・Revisiting the Cubic UOV Signature SchemeDung H. Duong, Albrecht Petzoldt, Yacheng Wang, Tsuyoshi TakagiICISC 2016[Springer] [pdf]
Journal Papers
・Technologies to Achieve Efficient Operations of Automated Equipment in Physical Distribution Warehouses Matsumura Atsushi, Matsuo Takuya, Wang Yacheng [pdf] 2024
・A New Analysis of the Kipnis-Shamir Method Solving the MinRank ProblemShuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu[IEICE] [pdf]2023
・New Complexity Estimation on the Rainbow-Band-Separation AttackShuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi[Elsevier]2021
・A new encryption scheme for multivariate quadratic systemsJiahui Chen, Jie Ling, Jianting Ning, Terry Shue Chien Lau, Yacheng WangTheoretical Computer Science[Elsevier] [pdf]2020
・The Secure Parameters and Efficient Decryption Algorithm for Multivariate Public Key Cryptosystems EFCYacheng Wang, Yasuhiko Ikematsu, Dung H. Duong, Tsuyoshi Takagi[IEICE] [pdf]2019
Preprints
・Analysis on the MinRank Attack using Kipnis-Shamir Method Against RainbowShuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu[eprint] [pdf]
・New Complexity Estimation on the Rainbow-Band-Separation AttackShuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi[eprint] [pdf]
Presentation with abstract
・First Fall Degree and Weil Descent on the Multivariate Quadratic ProblemYacheng Wang, Takanori Yasuda, Tsuyoshi TakagiCECC2021[link] [Abstract pdf]
Conference Papers
・(short paper) Simple Matrix Signature SchemeChangze Yin, Yacheng Wang, Tsuyoshi TakagiIWSEC2021[Springer]
・Revisiting the Minrank Attack on Multivariate CryptographyYacheng Wang, Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi TakagiWISA2020[Springer] [pdf]
・Multivariate Encryption Schemes Based on Polynomial Equations over Rational NumbersTakanori Yasuda, Yacheng Wang, Tsuyoshi TakagiPQCrypto 2020[Springer] [pdf] [recorded YouTube][live talk]
・A Structural Attacks on Block-Anti-Circulant UOV at SAC2019Hiroki Furue, Koha Kinjo, Yasuhiko Ikematsu, Yacheng Wang, Tsuyoshi TakagiPQCrypto 2020[Springer] [pdf] [recorded YouTube][live talk]
・Efficient Decryption Algorithms for Extension Field Cancellation Type Encryption SchemesYacheng Wang, Yasuhiko Ikematsu, Dung H. Duong, Tsuyoshi TakagiACISP 2018 [Springer] [pdf]
・Revisiting the Cubic UOV Signature SchemeDung H. Duong, Albrecht Petzoldt, Yacheng Wang, Tsuyoshi TakagiICISC 2016[Springer] [pdf]
Journal Papers
・Technologies to Achieve Efficient Operations of Automated Equipment in Physical Distribution Warehouses Matsumura Atsushi, Matsuo Takuya, Wang Yacheng [pdf] 2024
・A New Analysis of the Kipnis-Shamir Method Solving the MinRank ProblemShuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu[IEICE] [pdf]2023
・New Complexity Estimation on the Rainbow-Band-Separation AttackShuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi[Elsevier]2021
・A new encryption scheme for multivariate quadratic systemsJiahui Chen, Jie Ling, Jianting Ning, Terry Shue Chien Lau, Yacheng WangTheoretical Computer Science[Elsevier] [pdf]2020
・The Secure Parameters and Efficient Decryption Algorithm for Multivariate Public Key Cryptosystems EFCYacheng Wang, Yasuhiko Ikematsu, Dung H. Duong, Tsuyoshi Takagi[IEICE] [pdf]2019
Preprints
・Analysis on the MinRank Attack using Kipnis-Shamir Method Against RainbowShuhei Nakamura, Yacheng Wang, Yasuhiko Ikematsu[eprint] [pdf]
・New Complexity Estimation on the Rainbow-Band-Separation AttackShuhei Nakamura, Yasuhiko Ikematsu, Yacheng Wang, Jintai Ding, Tsuyoshi Takagi[eprint] [pdf]
Presentation with abstract
・First Fall Degree and Weil Descent on the Multivariate Quadratic ProblemYacheng Wang, Takanori Yasuda, Tsuyoshi TakagiCECC2021[link] [Abstract pdf]
🏆 Honors and Awards
・JSPS research fellowship for young scientists (DC1)[2018.04 - 2021.03]
・Erasmus+ Mobility Scholarship[2019.05 - 2019.07]
・CSS2018 Best Student Paper Award[2018.10.24]
・JSPS research fellowship for young scientists (DC1)[2018.04 - 2021.03]
・Erasmus+ Mobility Scholarship[2019.05 - 2019.07]
・CSS2018 Best Student Paper Award[2018.10.24]
🌐 Language Skills
Chinese (Native), English (Professional), Japanese (Professional), French (Limited)
Chinese (Native), English (Professional), Japanese (Professional), French (Limited)
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