Basic Information

Faculty

• Faculty of Engineering

Email Address

• Email Address

  matsuoka.kotaro.2zkyoto-u.ac.jp

Academic Degree

• 23 Mar. 2023

  Kyoto University Master of Informatics
• 23 Mar. 2026

  京都大学博士（情報学）

Academic Resume (Undergraduate School/Majors)

• 京都大学, 工学部電気電子工学科, 卒業

High School

• High School

  Tokyo Metropolitan Toyama High School

ID,URL

• ORCID ID

  0000-0002-6642-1276

• J-Global ID

  202601007160076539

• Researcher number

  61042891

researchmap URL

• https://researchmap.jp/nindanaoto

Research

Research Interests

• Integrated Circuits Engineering
• Homomorphic Encryption

Papers

• Multiplicative Integer Division over Integer-wise TFHE

  Kotaro Matsuoka; Yusuke Hoshizuki; Takashi Sato

  IACR Transactions on Cryptographic Hardware and Embedded Systems, 11 Sep. 2026

  
• YATA: Yet Another TFHE Accelerator with Key Compression and Radix-8 NTT

  Kotaro Matsuoka; Takashi Sato

  IACR Transactions on Cryptographic Hardware and Embedded Systems, 16 Jan. 2026

  
• Oblivious Monitoring for Discrete-Time STL via Fully Homomorphic Encryption

  Masaki Waga; Kotaro Matsuoka; Takashi Suwa; Naoki Matsumoto; Ryotaro Banno; Song Bian; Kohei Suenaga

  2025

  
• Logic Locking over TFHE for Securing User Data and Algorithms

  Kotaro MATSUOKA

  29TH ASIA AND SOUTH PACIFIC DESIGN AUTOMATION CONFERENCE, ASP-DAC 2024, 2024

  Access this paper :

  
• HOGE : Homomorphic Gate on An FPGA

  Kotaro MATSUOKA

  29TH ASIA AND SOUTH PACIFIC DESIGN AUTOMATION CONFERENCE, ASP-DAC 2024, 2024

  
• Oblivious Online Monitoring for Safety LTL Specification via Fully Homomorphic Encryption

  Ryotaro Banno; Kotaro Matsuoka; Naoki Matsumoto; Song Bian; Masaki Waga; Kohei Suenaga

  2022

  
• Towards Better Standard Cell Library: Optimizing Compound Logic Gates for TFHE

  Kotaro MATSUOKA

  PROCEEDINGS OF THE 9TH WORKSHOP ON ENCRYPTED COMPUTING & APPLIED HOMOMORPHIC CRYPTOGRAPHY, WAHC 2021, 2021

  
• Virtual Secure Platform: A Five-Stage Pipeline Processor over TFHE

  Kotaro MATSUOKA

  ArXiv, 2020

  
• An RFID tag identification protocol via Boolean compressed sensing

  Kotaro Matsuoka; Yasutomo Yushima; Ryo Hayakawa; Riho Kawasaki; Kazunori Hayashi; Megumi Kaneko

  IEICE Communications Express, 2016

  

Awards

• 17 Mar. 2021

  京都大学総長賞（バーチャルセキュアプラットフォーム開発チーム）
• 06 Mar. 2020

  京都大学総長賞（機械研究会）