[Research Grants]
Grant-in-Aid for Scientific Research (B) (#26K02908)
A Unified Framework for Encrypted Search
PI
April 2026–March 2030
Grant-in-Aid for Scientific Research (B) (#26K02909)
IoT機器向け軽量格子暗号の構成と評価
CI (PI: Yuntao Wang)
April 2026–March 2031
Grant-in-Aid for Scientific Research (B) (#26K00966)
Real-Time Integrity Assurance via Updatable Advanced Cryptography
CI (PI: Kiminao Kogiso)
April 2026–March 2029
Grant-in-Aid for Scientific Research (A) (#23H00479)
真に高機能暗号の社会展開に資する物理・視覚暗号
CI (PI: Goichiro Hanaoka)
April 2023–March 2026
Grant-in-Aid for Scientific Research (B) (#21H03441)
Towards Encrypted Search Protocols with Flexible Search Functions and High Efficiency
PI
April 2021–March 2025
Grant-in-Aid for Scientific Research (B) (#21H03395)
十分統計量に基づくシミュレーションベース安全性の深化
CI (PI: Mitsugu Iwamoto)
April 2021–March 2025 (extended to March 2026)
Grant-in-Aid for Scientific Research (S) (#18H05289)
Resilience Enhancement of IoT Ecosystem by Cryptographic Technologies
CI (PI: Kazuo Sakiyama)
June 2018–March 2023 (joined on April 2020)
Grant-in-Aid for Scientific Research (C) (#18K11293)
Searchable Symmetric Encryption for a Long Term Use
CI (PI: Kazuo Ohta)
April 2018–March 2022 (joined on April 2020 and extended to March 2023)
MEXT Leading Initiative for Excellent Young Researchers (LEADER)
PI
December 2019–March 2021
Grant-in-Aid for Young Scientists (B) (#17K12697)
Improvement of security and efficiency of identity-based encryption schemes resilient to key leakage
PI
April 2017–March 2021
Grant-in-Aid for Scientific Research (B) (#17H01752)
推測秘匿性に基づく情報理論的暗号理論の新展開
CI (PI: Mitsugu Iwamoto)
April 2017–March 2021 (extended to March 2022)
Grant-in-Aid for JSPS Research Fellow (#16J10532)
Simultaneous Realization of Dynamic Access Control and Data Analysis for Encrypted Data
PI
April 2016–March 2019
Grant-in-Aid for JSPS Research Fellow (#13J03998)
時刻で制御可能な暗号基礎技術の研究開発
PI
April 2013–March 2016
[Editor / Associate Editor]
IEICE Trans. A, ENG Edition (Editor), June 2023–May 2024
IEICE Trans. A, JPN Edition (Editor), June 2022–May 2024
IEICE Trans. A, Special Section on Information Theory and Its Applications (Guest Associate Editor), 2020
[Program Committee]
BWS 2026, MobiSec 2025, CSS 2025, MobiSec 2024, APKC 2024, APKC 2023, APKC 2022, ITW 2021, IWSEC 2021, APKC 2021, IWSEC 2020, APKC 2020, IWSEC 2019, APKC 2019, APKC 2018 (Program Co-Chair)
[Local Organizing Committee]
BWS 2026, IWSEC 2024, IWSEC 2023, SCIS 2023, PKC 2022 (General Co-Chair), IWSEC 2022, CSS 2021, IWSEC 2021, SCIS 2021, CSS 2019, IWSEC 2019, IWSEC 2018
[Other Committees]
CRYPTREC Cryptographic Technique Investigation WG (Advanced Cryptography) (Member), May 2022–March 2023
[External Reviewer]
Journals: IEEE Trans. on Information Forensics and Security; IEEE Trans. on Dependable and Secure Computing; The Computer Journal; Design, Codes and Cryptography; IET Information Security; Finite Fields and Their Applications; Computer Standards & Interfaces; Frontiers of Information Technology & Electronic Engineering; IEEE Trans. on Computers; IEICE Transactions; Information Sciences; Journal of Information Processing; SCIENCE CHINA Information Sciences; Theoretical Computer Science.
Conferences: ACNS 2023; CANS 2022; ASIACCS 2022; ASIACRYPT 2021; ESORICS 2021; PKC 2020; EUROCRYPT 2020; SCN 2020; PQCrypto 2020; ProvSec 2020; ASIACRYPT 2019; IWSEC 2019; APKC 2019; WISA 2019; CANDAR 2019; Indocrypt 2018; ProvSec 2018; ACNS 2018; ISITA 2018; PKC 2018; SCN 2018; CRYPTO 2017; ICITS 2017; ISPEC 2017; NSS 2017; PKC 2017; ASIACRYPT 2016; ICITS 2016; ISITA 2016; ACNS 2015.
[Teaching]
Spring 2026: Academic Literacy, The University of Electro-Communications
Spring 2026: Computer Literacy, Japan Women’s University
Fall 2025: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2025: Cryptography and Information Security, The University of Electro-Communications
Fall 2025: Advanced Topics on Cryptography, The University of Electro-Communications
Fall 2025: Cryptography, The University of Electro-Communications
Spring 2025: Academic Literacy, The University of Electro-Communications
Spring 2025: Computer Literacy, Japan Women’s University
Fall 2024: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2024: Cryptography and Information Security, The University of Electro-Communications
Fall 2024: Advanced Topics on Cryptography, The University of Electro-Communications
Fall 2024: Cryptography, The University of Electro-Communications
Spring 2024: Computer Literacy, Japan Women’s University
Spring 2024: Cryptography and Security, Japan Women’s University
Fall 2023: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2023: Cryptography and Information Security, The University of Electro-Communications
Fall 2023: Advanced Topics on Cryptography, The University of Electro-Communications
Fall 2023: Cryptography, The University of Electro-Communications
Spring 2023: Computer Literacy, Japan Women’s University
Fall 2022: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2022: Cryptography and Information Security, The University of Electro-Communications
Fall 2022: Advanced Topics on Cryptography, The University of Electro-Communications
Fall 2022: Cryptography, The University of Electro-Communications
Spring & Fall 2022: Computer Literacy, Japan Women’s University
Fall 2021: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2021: Cryptography and Information Security, The University of Electro-Communications
Fall 2021: Advanced Topics on Cryptography, The University of Electro-Communications
Fall 2021: Cryptography, The University of Electro-Communications
Spring & Fall 2021: Computer Literacy, Japan Women’s University
Fall 2020: Information Security Engineering Laboratory, The University of Electro-Communications
Fall 2020: Cryptography and Information Security, The University of Electro-Communications
Fall 2020: Cryptography, The University of Electro-Communications
Spring & Fall 2020: Computer Literacy, Japan Women’s University
Fall 2019: Cryptography, The University of Electro-Communications
Spring & Fall 2019: Computer Literacy, Japan Women’s University
Spring 2019: Project Learning, Yokohama National University
Fall 2018: Computer Literacy, Japan Women’s University

