- I’m a distinguished researcher of NTT Social Informatics Laboratories (formerly, NTT Secure Platform Laboratories), NTT Corporation, Japan from 2012.
- From 2019 to 2020, I was visiting researcher at Ruhr-university Bochum.
- I received my Ph.D from Kobe University in March 2017 (supervisor : Masakatu Morii).
- The title of my Ph.D Thesis is “Integral Cryptanalysis against Symmetric-Key Cryptosystems.”
- My research area is cryptography. Especially, the design and analysis of the symmetric-key cryptography.
- Link : [dblp] [google scholar]
Recent Major Activity
- The paper “Strong and Tight Security Guarantees against Integral Distinguishers” was accepted at Asiacrypt 2021.
- The paper “Massive Superpoly Recovery with Nested Monomial Predictions” was accepted at Asiacrypt 2021.
- The paper “Designing S-boxes Providing Stronger Security against Differential Cryptanalysis for Ciphers Using Byte-Wise XOR” was accepted at SAC2021.
- The paper “Modeling for Three-Subset Division Property without Unknown Subset” was published at Journal of Cryptology.
- The paper “PRINCEv2 – More Security for (Almost) No Overhead” was accepted at SAC2020.
- The paper “Lower Bounds on the Degree of Block Ciphers” was accepted at Asiacrypt2020.
- The paper “Improved Differential-Linear Attacks with Applications to ARX Ciphers” was chosen one of the Best Papers Award in CRYPTO 2020.
Please check the page for publication list in detail.
- Sep. 2020, IEICE Fundamentals Review Best Author Award, IEICE
- Aug. 2020, CRYPTO 2020 Best Paper Award, IACR.
- Jun. 2019, IEICE Best Papers Award, IEICE.
- Jan. 2016, SCIS Best Papers Award, SCIS 2015, ISEC, IEICE.
- Aug. 2015, CRYPTO 2015 Best Paper Award, IACR.
- Aug. 2015, CRYPTO 2015 Best Young Researcher Award, IACR.
ASIACRYPT: 2016, 2018
CHES: 2021, 2022
Eurocrypt: 2016, 2020
FSE: 2018, 2019, 2020, (2021), 2022
Selected Areas in Cryptography (SAC): 2019, 2020, 2021
IACR Transactions on Symmetric Cryptology (ToSC) 2017–2022.
IACR Transactions on Cryptographic Hardware and Embedded Systems (TCHES) 2020–2022.