– 研究成果一覧 (研究室ウェブサイト)
– My DBLP
– My researchmap
– My CV
[査読付き論文誌論文]
eFPGA-Based Datapath Redaction for Processor IP Protection
with T. Ichioka and Yuko Hara
IEEE Access, 2026.
Preliminary version in AsianHOST 2024.
A Zero-Knowledge Range Argument with Preprocessing: Generic, Concretely Efficient, and Post-Quantum
with Yuki Sawai, Kyoichi Asano, and Mitsugu Iwamoto
IEICE Transactions, 2026.
Preliminary version in AsiaJCIS 2025.
Attribute-based Anonymous Credentials with Update Broadcast
with Yuki Sawai, Kyosuke Hatsugai, Kyoichi Asano, and Mitsugu Iwamoto
IEICE Transactions, 2026.
Protecting against Partial Key Exposure in Key-Insulated Encryption
with Kyoichi Asano and Mitsugu Iwamoto
IEICE Transactions, 2025.
Covert Vehicle Misguidance and Its Detection: A Hypothesis Testing Game over Continuous-Time Dynamics
with Takashi Tanaka, Kenji Sawada, and Mitsugu Iwamoto
IEEE Control Systems Letters, 2024.
[arXiv]
Card-Based Protocols for Private Set Intersection and Union
with Anastasiia Doi, Tomoki Ono, Yoshiki Abe, Takeshi Nakai, Kazumasa Shinagawa, Koji Nuida, and Mitsugu Iwamoto
New Generation Computing, 2024.
Preliminary version in ISITA 2022.
Card-based Cryptography with a Standard Deck of Cards, Revisited: Efficient Protocols in the Private Model
with Takeshi Nakai, Keita Iwanari, Tomoki Ono, Yoshiki Abe, and Mitsugu Iwamoto
New Generation Computing, 2024.
時間ドロボー問題に対する健全性誤りのない物理的ゼロ知識証明
with Kyosuke Hatsugai, Yoshiki Abe, Takeshi Nakai, Kazumasa Shinagawa, and Mitsugu Iwamoto
電子情報通信学会 和文論文誌A, 2024.
Designated Verifier Signature with Claimability
with Kyosuke Yamashita, Keisuke Hara, Naoto Yanai, and Junji Shikata
IEICE Transactions, 2024.
Preliminary version in APKC 2023.
Anonymous Broadcast Authentication with One-to-Many Transmission to Control IoT Devices
with Kazuhiko Minematsu,
Naoto Yanai,
and Junji Shikata
IEEE Access, 2023.
Preliminary version in AINA 2021.
Tight Lower Bounds and Optimal Constructions of Anonymous Broadcast Encryption and Authentication
with Hirokazu Kobayashi, Kazuhiko Minematsu, and Junji Shikata
Designs, Codes and Cryptography, 2023.
Preliminary version in IMACC 2021.
A Computationally Efficient Card-Based Majority Voting Protocol with Fewer Cards in the Private Model
with Yoshiki Abe, Takeshi Nakai, Mitsugu Iwamoto, and Kazuo Ohta
IEICE Transactions, 2023.
Multi-Designated Receiver Authentication Codes: Models and Constructions
with Takenobu Seito and Junji Shikata
IEICE Transactions, 2023.
Preliminary version in CISS 2022.
How to Make a Secure Index for Searchable Symmetric Encryption, Revisited
with Takeshi Nakai, Kazuma Ohara, Takuya Nojima, Yexuan Liu, Mitsugu Iwamoto, and Kazuo Ohta
IEICE Transactions, 2022.
[eprint]
Efficient Card-based Majority Voting Protocols
with Yoshiki Abe, Takeshi Nakai, Yoshihisa Kuroki, Shinnosuke Suzuki, Yuta Koga, Mitsugu Iwamoto, and Kazuo Ohta
New Generation Computing, 2022.
Preliminary version in ISITA 2018.
Identity-Based Encryption with Security against the KGC: A Formal Model and Its Instantiations
with Keita Emura and Shuichi Katsumata
Theoretical Computer Science, 2022.
Preliminary version in ESORICS 2019.
[eprint]
Efficient Identity-Based Encryption with Hierarchical Key-Insulation from HIBE
with Keita Emura and Atsushi Takayasu
Designs, Codes and Cryptography, 2021.
[ePrint]
Adaptively Secure Revocable Hierarchical IBE from k-linear Assumption
with Keita Emura and Atsushi Takayasu
Designs, Codes and Cryptography, 2021.
[ePrint]
Efficient Revocable Identity-based Encryption with Short Public Parameters
with Keita Emura and Jae Hong Seo
Theoretical Computer Science, 2021.
Preliminary version in CT-RSA 2017.
[eprint]
Revocable Identity-based Encryption with Bounded Decryption Key Exposure Resistance: Lattice-based Construction and More
with Atsushi Takayasu
Theoretical Computer Science, 2021.
Preliminary version in ACISP 2017.
[eprint]
Key-Updatable Public-Key Encryption with Keyword Search (Or: How to Realize PEKS with Efficient Key Updates for IoT Environments)
with Hiroaki Anada, Akira Kanaoka, and Natsume Matsuzaki
International Journal of Information Security, 2020.
Preliminary version in ACISP 2018.
Multi-Party Computation for Modular Exponentiation based on Replicated Secret Sharing
with Kazuma Ohara, Mitsugu Iwamoto, and Kazuo Ohta
IEICE Trans, 2019.
Implementation and Analysis of Fully Homomorphic Encryption in Resource-Constrained Devices
with Amonrat Prasitsupparote, Junichi Sakamoto, Junji Shikata, and Tsutomu Matsumoto
International Journal of Digital Information and Wireless Communications, 2018.
Preliminary version in ISDF 2018.
Identity-based Encryption with Hierarchical Key-insulation in the Standard Model
with Junji Shikata
Designs, Codes and Cryptography, 2019.
Preliminary version in PKC 2016.
[eprint]
Timed-Release Computational Secret Sharing and Threshold Encryption
with Junji Shikata
Designs, Codes and Cryptography, 2018.
Preliminary version in ProvSec 2014.
CCA-secure Revocable Identity-based Encryption Schemes with Decryption Key Exposure Resistance
with Yuu Ishida and Junji Shikata
International Journal of Applied Cryptography, 2017.
Preliminary version in ACISP 2015.
Information-Theoretically Secure Timed-Release Secret Sharing Schemes
with Junji Shikata
Journal of Information Processing, 2016.
Preliminary version in BalkanCryptSec 2014.
[eprint]
Unconditionally Secure Broadcast Encryption Schemes with Trade-offs between Communication and Storage
with Junji Shikata
IEICE Transactions, 2016.
Preliminary version in ProvSec 2015.
[査読付き国際会議論文]
Improving the Communication Efficiency of MPC-in-the-Head Zero-Knowledge Proofs via Fiat–Shamir Transformation
with Yuto Goto and Mitsugu Iwamoto
In ESSS, 2026.
Query Recovery Attacks Utilizing Volume and Search Patterns against Searchable Encryption
with R. Muramatsu and Takumi Namiki
In ESSS, 2026. To appear.
High-throughput Verifiable Distributed OPRF from Gold PRF
with Nan Cheng, Yugo Kasashima, Ioannis Katis, and Aikaterini Mitrokotsa
In ACM CCS, 2026. To appear.
Logic Locking Through the Lens of Obfuscation: a Survey
with Akashdeep Saha, Yang Li, Yuko Hara, and Ozgur Sinanoglu
In APCCAS, 2026. To appear.
Efficient Additive Randomized Encodings for String Oblivious Transfer: A Core Primitive for General Functions
with Masaya Yoshimura, Kyoichi Asano, Yugo Kasashima, and Mitsugu Iwamoto
In ACISP, 2026.
[eprint]
Enhancing Attack Detection for Mobile Robots via Parametric Final-State Distribution Modeling
with K. Horikoshi, Mitsugu Iwamoto, Takashi Tanaka, and Kenji Sawada
In IFAC World Congress, 2026. To appear.
Hybrid PoA on Aztec: Proof of Asset Ownership over Public and Private Balances via Hierarchical Proof-Carrying Data
with Rio Kanehiro and Mitsugu Iwamoto
In CoDecFin, 2026. To appear.
[eprint]
Proof of Fairness Ledger (PoFL): Ensuring Verifiable Fairness in Decentralized Sealed-Bid Auctions
with Kholiq Abdullah and Mitsugu Iwamoto
In ICIMCIS, 2025.
Adding Two Easy Functions Is Always Hard to Invert
with Hayato Gibo and Mitsugu Iwamoto
In SecITC, 2025.
Efficiency Improvement of Deniable FHE: Tighter Deniability Analysis and TFHE-based Construction
with Towa Toyooka and Mitsugu Iwamoto
In SecITC, 2025.
[eprint]
Correcting the Record on Leakage Abuse Attacks: Revisiting the Subgraph Attacks with Sound Evaluation
with Takumi Namiki, Takumi Amada, and Mitsugu Iwamoto
In ESORICS, 2025.
Experimental Evaluation of Information-Theoretic Deception Strategies against Robot Surveillance Systems
with K. Horikoshi, Kenji Sawada, Mitsugu Iwamoto, and Takashi Tanaka
In SICE FES, 2025.
A Generic Zero-Knowledge Range Argument with Preprocessing
with Yuki Sawai, Kyoichi Asano, and Mitsugu Iwamoto
In AsiaJCIS, 2025.
Journal version.
SoK: Searchable Encryption with Differential Privacy
with Christopher Johann Clarke, Yugo Kasashima, and K. Sato
In APKC, 2025.
Revisiting Relations of Security Notions in Searchable Encryption
with K. Sato, Takumi Amada, Kyoichi Asano, Mitsugu Iwamoto, and Kazuo Ohta
In APKC, 2025.
Key Revocation in Registered Attribute-Based Encryption
with Kyoichi Asano, Nuttapong Attrapadung, Keisuke Hara, and Keitaro Hashimoto
In PKC, 2025.
Anonymous Credentials with Credential Redaction and Its Application to SSI-based Plug&Charge for Shared Vehicles
with Kyosuke Hatsugai, Kyoichi Asano, Yuki Sawai, and Mitsugu Iwamoto
In ACISP, 2025.
Updatable Public Key Encryption with Strong CCA Security: Security Analysis and Efficient Generic Construction
with Kyoichi Asano
In CT-RSA, 2025.
[eprint]
Dynamic Collateral Management in Decentralized Sealed-Bid Auctions
with Kholiq Abdullah and Mitsugu Iwamoto
In ICIMCIS, 2024.
PreLock: Precision Locking for Protecting Embedded Processor
with T. Ichioka and Yuko Hara
In AsianHOST, 2024.
Journal version.
On the Attack Detection Performance of Information-theoretic Method in Industrial Control System
with Tatsuya Nishiuchi, Yoshiki Abe, Mitsugu Iwamoto, Kenji Sawada, and S. Shin
In IECON, 2024.
Multi-User Dynamic Searchable Encryption for Prefix-Fixing Predicates from Symmetric-Key Primitives
with Takato Hirano, Yutaka Kawai, Yoshihiro Koseki, Satoshi Yasuda, Takumi Amada, Mitsugu Iwamoto, and Kazuo Ohta
In SAC, 2024.
Constant-Deposit Multiparty Lotteries on Bitcoin for Arbitrary Number of Players and Winners
with Shun Uchizono, Takeshi Nakai, and Mitsugu Iwamoto
In ICISC, 2023.
Single-Shuffle Card-Based Protocols with Six Cards per Gate
with Tomoki Ono, Kazumasa Shinagawa, Takeshi Nakai, and Mitsugu Iwamoto
In ICISC, 2023.
Received ISEC研究会活動貢献感謝状 (2025).
Efficient Result-Hiding Searchable Encryption with Forward and Backward Privacy
with Takumi Amada and Mitsugu Iwamoto
In ICISC, 2023.
Lattice-based Multi-Entity Identification Protocols
with Toi Tomita and Junji Shikata
In MobiSec, 2023.
Received KISTI Best Paper Award.
The Two Sheriffs Problem: Cryptographic Formalization and Generalization
with Kota Sugimoto, Takeshi Nakai, and Mitsugu Iwamoto
In COCOA, 2023.
Received ISEC研究会活動貢献感謝状 (2025).
Packet Analysis and Information Theory on Attack Detection for Modbus TCP
with Tatsuya Nishiuchi, Yoshiki Abe, Mitsugu Iwamoto, and Kenji Sawada
In IECON, 2023.
IoT-REX: A Secure Remote-Control System for IoT Devices from Centralized Multi-Designated Verifier Signatures
with Naoto Yanai and Junji Shikata
In ISPEC, 2023.
[eprint]
Designated Verifier Signature with Claimability
with Kyosuke Yamashita, Keisuke Hara, Naoto Yanai, and Junji Shikata
In APKC, 2023.
Forward and Backward Private Dynamic Searchable Encryption with Better Space Efficiency
with Yexuan Liu and Junji Shikata
In CISS, 2023.
A Generic Construction of CCA-secure Attribute-based Encryption with Equality Test
with Kyoichi Asano, Keita Emura, and Atsushi Takayasu
In ProvSec, 2022.
[eprint]
Received 第8回辻井重男セキュリティ論文賞 特別賞 and Best Paper Award.
Card-based Cryptographic Protocols for Private Set Intersection
with Anastasiia Doi, Tomoki Ono, Takeshi Nakai, Kazumasa Shinagawa, Koji Nuida, and Mitsugu Iwamoto
In ISITA, 2022.
An Improvement of Multi-Party Private Set Intersection Based on Oblivious Programmable PRFs
with Seiya Shimizu, Takeshi Nakai, and Mitsugu Iwamoto
In ISITA, 2022.
State-free End-to-End Encrypted Storage and Chat Systems based on Searchable Encryption
with Keita Emura, Ryoma Ito, Sachiko Kanamori, and Ryo Nojima
In ICEIS, 2022.
[eprint]
Efficient Dynamic Searchable Encryption with Forward Privacy under the Decent Leakage
with Kazuma Ohara, Mitsugu Iwamoto, and Kazuo Ohta
In ACM CODASPY, 2022.
Multi-Designated Receiver Authentication-Codes with Information-Theoretic Security
with Takenobu Seito and Junji Shikata
In CISS, 2022.
Asymptotically Tight Lower Bounds in Anonymous Broadcast Encryption and Authentication
with Hirokazu Kobayashi and Junji Shikata
In IMACC, 2021.
Efficient Threshold Public Key Encryption from the Computational Bilinear Diffie-Hellman Assumption
with Masahiro Ebina, Jumpei Mita, and Junji Shikata
In APKC, 2021.
Anonymous Broadcast Authentication for Securely Remote-Controlling IoT Devices
with Naoto Yanai and Junji Shikata
In AINA, 2021.
A Key Recovery Algorithm Using Random Key Leakage from AES Key Schedule
with Tomoki Uemura, Li Yang, Noriyuki Miura, Mitsugu Iwamoto, Kazuo Sakiyama, and Kazuo Ohta
In ISITA, 2020.
On the Power of Interaction in Signcryption
with Junichi Ida and Junji Shikata
In ISITA, 2020.
Identity-Based Encryption with Security against the KGC: A Formal Model and Its Instantiation from Lattices
with Keita Emura and Shuichi Katsumata
In ESORICS, 2019.
Implementation and Analysis of Fully Homomorphic Encryption in Wearable Devices
with Amonrat Prasitsupparote and Junji Shikata
In ISDF, 2018.
Card-Based Majority Voting Protocols with Three Inputs Using Three Cards
with Yoshihisa Kuroki, Shinnosuke Suzuki, Yuta Koga, Mitsugu Iwamoto, and Kazuo Ohta
In ISITA, 2018.
Received IEEE ITSJC Young Researcher Best Paper Award.
Key-updatable Public-key Encryption with Keyword Search: Models and Generic Constructions
with Hiroaki Anada, Akira Kanaoka, and Natsume Matsuzaki
In ACISP, 2018.
Broadcast Encryption with Guessing Secrecy
In ICITS, 2017.
Lattice-based Revocable Identity-based Encryption with Bounded Decryption Key Exposure Resistance
with Atsushi Takayasu
In ACISP, 2017.
Unconditionally Secure Searchable Encryption
with Takahiro Yoshizawa and Junji Shikata
In CISS, 2017.
New Revocable IBE in Prime-Order Groups: Adaptively Secure, Decryption Key Exposure Resistant, and with Short Public Parameters
with Keita Emura and Jae Hong Seo
In CT-RSA, 2017.
Unconditionally Secure Revocable Storage: Tight Bounds, Optimal Construction, and Robustness
with Goichiro Hanaoka and Junji Shikata
In ICITS, 2016.
[eprint]
Sequential Aggregate Authentication Codes with Information Theoretic Security
with Shinichiro Tomita and Junji Shikata
In CISS, 2016.
Identity-based Hierarchical Key-insulated Encryption without Random Oracles
with Junji Shikata
In PKC, 2016.
Constructions of Unconditionally Secure Broadcast Encryption from Key Predistribution Systems with Trade-offs between Communication and Storage
with Junji Shikata
In ProvSec, 2015.
Keyword Revocable Searchable Encryption with Trapdoor Exposure Resistance and Re-generateability
with Keita Emura and Le Trieu Phong
In IEEE TrustCom, 2015.
Constructions of CCA-secure Revocable Identity-based Encryption
with Yuu Ishida and Junji Shikata
In ACISP, 2015.
Invited to International Journal of Applied Cryptography.
Information-Theoretically Secure Blind Authentication Codes without Verifier’s Secret Keys
with Noriyasu Takei and Junji Shikata
In Annual Workshop on Statistical Science and Related Topics, 2015.
Preliminary version in 3rd ISEEE.
Timed-Release Secret Sharing Schemes with Information Theoretic Security
with Junji Shikata
In BalkanCryptSec, 2014.
Timed-Release Computational Secret Sharing Scheme and Its Applications
with Junji Shikata
In ProvSec, 2014.
Information-Theoretically Secure Anonymous Group Authentication with Arbitration: Formal Definition and Construction
with Takenobu Seito, Kazuyuki Kinose, and Junji Shikata
In Annual Workshop on Mathematics and Computer Science, 2014.
Preliminary version in 3rd ISEEE.
Information-Theoretically Secure Entity Authentication in the Multi-user Setting
with Shogo Hajime and Junji Shikata
In ICISC, 2013.
Unconditionally Secure Blind Authentication Codes in the Manual Channel Model
with Noriyasu Takei and Junji Shikata
In 3rd ISEEE, 2013.
Unconditionally Secure Anonymous Group Authentication with an Arbiter
with Takenobu Seito, Kazuyuki Kinose, and Junji Shikata
In 3rd ISEEE, 2013.
Information-Theoretically Secure Aggregate Authentication Code: Model, Bounds, and Constructions
with Asato Kubai and Junji Shikata
In MoCrySEn,2013.
Information-Theoretic Timed-Release Security: Key-Agreement, Encryption and Authentication Codes
with Takenobu Seito and Junji Shikata
In ICITS, 2012.
[eprint]
[未刊行論文]
PSYLOCKE: Provably Secure Logic Locking with Practical Efficiency
with Kyoichi Asano, Haruka Hirata, Tomoki Ono, Mingyu Yang, Mitsugu Iwamoto, Yang Li, and Yuko Hara
[eprint]
Abstraction Model of Probing and DFA Attacks on Block Ciphers
with Yuiko Matsubara, Daiki Miyahara, Mitsugu Iwamoto, and Kazuo Sakiyama
[eprint]
Generic Constructions of Revocable Hierarchical Identity-based Encryption
with Keita Emura and Atsushi Takayasu
[eprint]
[学位論文]
Cryptography with Timed Access Control
Graduate School of Environment and Information Sciences, Yokohama National University, Japan, March 2016.
Supervisor: Asso. Prof. Dr. Junji Shikata
[国際会議ポスター]
Generalized Malicious Security for Private Set Intersection
with Yugo Kasashima, Kota Sugimoto, and Mitsugu Iwamoto
In IWSEC, Fukuoka, Japan, 2025.
On the Public Verifiability of CCA-Secure Public-Key Encryption
with Masaya Yoshimura, Kyoichi Asano, Keita Emura, and Atsushi Takayasu
In IWSEC, Fukuoka, Japan, 2025.
PSYLOCKE: Provably Secure Logic Locking with Practical Efficiency
with Kyoichi Asano, Haruka Hirata, Tomoki Ono, Mingyu Yang, Mitsugu Iwamoto, Yang Li, and Yuko Hara
In USENIX Security, Seattle, WA, USA, 2025.
[eprint]
Analysis of the Relationship between Indistinguishability and Semantic Security for Searchable Symmetric Encryption
with K. Sato, Takumi Amada, Kyoichi Asano, and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Towards Defining a New Security Model for Private Set Intersection
with Yugo Kasashima, Kota Sugimoto, and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Performance Evaluation of Verkle Trees in Smart Contracts
with Rio Kanehiro and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Faster Deniable Fully Homomorphic Encryption Using TFHE
with Towa Toyooka and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Multi-Party Computation for Large-Scale Parties in the Real World
with Kota Sugimoto and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Towards Efficient Logic Locking with Provable Security
with Tomoki Ono, Haruka Hirata, Kyoichi Asano, Mingyu Yang, Yuko Hara, and Mitsugu Iwamoto
In IWSEC, Kyoto, Japan, 2024.
Key-Updatable Public-Key Encryption with Keyword Search: An Efficient Construction
with Hiroaki Anada, Akira Kanaoka, and Natsume Matsuzaki
In IWSEC, Sendai, Japan, 2018.
How to Provide Long-term Security and Required Functionality for Cloud Storage
with Goichiro Hanaoka and Junji Shikata
In Yokohama Environment and Information Sciences (YEIS) International Forum, Yokohama, Japan, 2015.
Constructions of Strongly Secure Revocable Identity-based Encryption
with Yuu Ishida and Junji Shikata
In Yokohama Environment and Information Sciences (YEIS) International Forum, Yokohama, Japan, 2015.
How to Provide Long-term Security and Required Functionality for Cloud Storage
with Goichiro Hanaoka and Junji Shikata
In PRIVAGEN, Tokyo, Japan, 2015.
Information-Theoretically Secure Revocable-Storage Broadcast Encryption
with Junji Shikata
In IWSEC, Hirosaki, Japan, 2014.
Received Best Poster Award.
[招待講演]
公開鍵暗号における鍵更新機能：その歴史と最新研究
In 第8回 金沢暗号理論勉強会, 石川県金沢市, 2025.
高機能暗号の理論と応用
In 2024年 社会人学び直しプログラム サイバーセキュリティ研修, 島根大学, 2024.
暗号理論概観 ～古典暗号から高機能暗号まで～
In 理学セミナー, 日本女子大学, 2023.
Recent Progress in Searchable Encryption
In IMI共同利用研究集会 高度化する暗号技術と数学的技法の進展, 福岡県福岡市, 2022.
情報理論的安全性に基づく放送型暗号 ～古典的結果と最近の進展～
In 情報理論研究会, 山口, 日本, 2017.
Unconditionally Secure Revocable Storage
In IWSEC, Nara, Japan, 2015.
Timed-Release Cryptography -Two Theoretical Approaches to Achieve Security
In JSPS-DST Asian Academic Seminar, Tokyo, Japan, 2013.
[解説記事]
準同型暗号を用いた暗号応用技術
渡邉洋平
計測と制御, 2025.
数式いらずの数学入門 暗号
岩本貢, 渡邉洋平（監修）, 山田久美（執筆）
Newton 2024年1月号, 2023.
再監修のうえ「ニュートン別冊 数式いらずの数学入門」（2025年1月刊行）にも掲載。
高機能暗号の社会展開を促進する物理・視覚暗号
花岡悟一郎, 岩本貢, 渡邉洋平, 水木敬明, 安部芳紀, 品川和雅, 新井美音, 矢内直人
電子情報通信学会和文論文誌, 2023.
暗号 個人情報を守る数学
太田和夫, 岩本貢, 渡邉洋平（取材協力）
ニュートン別冊 数学の世界 現代編（増補第２版）, 2021.
抜粋・加筆・再編集のうえ「14歳からのニュートン超絵解本 素数」（2022年3月刊行）および「Newton別冊 新AI時代の数学」（2023年9月刊行）にも掲載。
検索可能暗号：データベースシステムの安全な運用に向けて
渡邉洋平
ケミカルエンジニヤリング, 2020.
暗号化したデータ クラウドで利用容易
渡邉洋平
日本経済新聞, 2019.
2019年8月5日掲載。
国際会議参加報告: 4th Heidelberg Laureate Forum
渡邉洋平
Fundamentals Review, 2017.
情報理論的暗号技術について
四方順司, 渡邉洋平
情報処理, 2014.
[受賞歴等]
SCIS2026優秀ポスター賞, 2026.
共同研究の受賞対象: ゼロ知識証明を用いた本人確認機能付きチケットシステムの実装評価
CSS2025学生論文賞, 2025.
共同研究の受賞対象: Free-XORを含むガーブルド回路における入力ゲートの効率化
ISEC研究会活動貢献感謝状, 2025.
共同研究の受賞対象: The Two Sheriffs Problem: Cryptographic Formalization and Generalization
ISEC研究会活動貢献感謝状, 2025.
共同研究の受賞対象: Single-Shuffle Card-Based Protocols with Six Cards per Gate
CSS2024奨励賞, 2024.
共同研究の受賞対象: TFHEを用いた高速な否認可能完全準同型暗号
CSS2024奨励賞, 2024.
共同研究の受賞対象: 検索可能暗号に対するより効果的なクエリ復元攻撃
CSS2024学生論文賞, 2024.
共同研究の受賞対象: A Generic Construction of Deletable Registered Attribute-Based Encryption from Slotted Registered Attribute-Based Encryption
貢献賞（ソサイエティ運営）, 2024.
受賞対象: 電子情報通信学会 基礎・境界ソサイエティ「論文誌編集幹事」としての貢献
MobiSec 2023 KISTI Best Paper Award, 2023.
第8回辻井重男セキュリティ論文賞 特別賞, 2023.
ProvSec 2022 Best Paper Award, 2022.
CSS2022優秀論文賞, 2022.
CSS2020奨励賞, 2020.
CSS2019奨励賞, 2019.
IEEE Information Theory Society Japan Chapter Young Researcher Best Paper Award, 2018.
CSS2018優秀論文賞, 2018.
4th Heidelberg Laureate Forum 招待, 2016.
2015年度横浜国立大学大学院環境情報学府学生表彰, 2016.
SCIS論文賞, 2016.
日本学術振興会特別研究員制度(PD), 2016–2019.
CSS2014学生論文賞, 2014.
IWSEC 2014 Best Poster Award, 2014.
日本学術振興会特別研究員制度(DC1), 2013–2016.
2012年度横浜国立大学大学院環境情報学府学生表彰, 2013.