Nishide Takashi

Affiliation
Institute of Systems and Information Engineering
Official title
Associate Professor
Research keywords
Cryptography and Information Security
Research projects
暗号に基づくプログラム実行回数制限機能の構成とその応用2023-07 -- 2026-03西出隆志日本学術振興会/科学研究費/挑戦的研究(萌芽)6,240,000Yen
準同型暗号の高速化に関する共同研究2022-06 -- 2023-03西出隆志KDDI Research, Inc./1,000,000Yen
機密データを含むプログラム実行の安全かつ容易な外部委託とその応用2020-04 -- 2023-03西出隆志Japan Society of for the Promotion of Science/科学研究費 基盤研究(C)4,290,000Yen
暗号に基づくワンタイムプログラムの実現2018-04 -- 2019-03西出隆志財団法人電気通信普及財団研究調査助成/研究調査助成1,130,000Yen
データ秘匿計算の具体的問題構造に基づく機能性・効率性向上2017-04 -- 2020-03西出 隆志Japan Society for the Promotion of Science/基盤研究(C)4,420,000Yen
セキュリティ技術の調査研究2016-09 -- 2916-06Takashi Nishide株式会社日立ソリューションズ/Joint Project
セキュリティ技術の調査研究2015-08 -- 2016-03Takashi Nishide株式会社日立ソリューションズ/Joint Project
セキュリティ技術の調査研究2014-08 -- 2015-03Takashi Nishide株式会社日立ソリューションズ/Joint Project
機密データの漏洩防止と安全利用を同時に実現する暗号技術の確立2014 -- 2016西出 隆志Japan Society for the Promotion of Science/基盤研究(C)4,810,000Yen
セキュリティ技術の調査研究2013-08 -- 2014-03Takashi Nishide株式会社日立ソリューションズ/Joint Project
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Degree
2008-09Dr. of EngineeringThe University of Electro-Communications
Honors & Awards
2021-09電子情報通信学会基礎・境界ソサイエティ貢献賞2021年暗号と情報セキュリティ小特集号編集幹事としての貢献
Articles
  • Accelerating Polynomial Evaluation for Integer-wise Homomorphic Comparison and Division
    Morimura Koki; Maeda Daisuke; Nishide Takashi
    Journal of Information Processing, Information Processing Society of Japan/31, 2023-05
  • Efficient Homomorphic Evaluation of Arbitrary Bivariate Integer Functions
    Maeda Daisuke; Morimura Koki; Nishide Takashi
    Workshop on Encrypted Computing & Applied Homomorphic Cryptography (WAHC)/pp.13-22, 2022-11
  • Out-of-Distribution Detection with Reconstruction Error and Typicality-based Penalty
    Osada Genki; Takahashi Tsubasa; Ahsan Budrul; Nishide Ta...
    Winter Conference on Applications of Computer Vision (WACV)/pp.5540-5552, 2023-01
  • Square Table Lookup Multiparty Computation Protocol
    Wang Zhongqi; Fuse Keita; Nishide Takashi
    International Symposium on Computing and Networking Workshops (CANDARW)/pp.392-395, 2022-11
  • PoS Blockchain-Based Forward-Secure Public Key Encryption with Immutable Keys and Post-Compromise Security Guarantees
    Nuta Seiya; Schuldt Jacob C.N.; Nishide Takashi
    IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES/E106A(3)/pp.212-227, 2023-03
  • Constant-Round Fair SS-4PC for Private Decision Tree Evaluation
    Tsuchida Hikaru; Nishide Takashi
    IEICE Trans. Fundamentals/E105--A(9)/pp.1270-1288, 2022-09
  • 完全準同型暗号における整数型平文空間の一拡張手法とその演算
    前田大輔; 森村洸生; 成定真太郎; 福島和英; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2023-01
  • 準同型暗号TFHE上の任意精度演算のための冗長表現による多並列化
    成定真太郎; 福島和英; 清本晋作; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2023-01
  • Secure Multi-key Homomorphic Signatures against Insider Corruption
    Xu Ye; Nishide Takashi
    暗号と情報セキュリティシンポジウム(SCIS), 2023-01
  • How to Compute Multiplication in FHE Encoding Integer Plaintexts into Polynomials
    王中琦; 梨本健斗; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2023-01
  • 関数型暗号を用いた顔認証方式の鍵分散による安全性向上
    伊藤悠椰; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2023-01
  • Improved Integer-wise Homomorphic Comparison and Division based on Polynomial Evaluation
    Morimura Koki; Maeda Daisuke; Nishide Takashi
    International Conference on Availability, Reliability and Security (ARES)/(33)/pp.1-10, 2022-08
  • Latent Space Virtual Adversarial Training for Supervised and Semi-supervised Learning
    Osada Genki; Ahsan Budrul; Bora Revoti Prasad; Nishide T...
    IEICE TRANSACTIONS on Information and Systems/E105--D(3)/pp.667-678, 2022-03
  • Load Balancing with In-protocol/Wallet-level Account Assignment in Sharded Blockchains
    Okanami Naoya; Nakamura Ryuya; Nishide Takashi
    IEICE TRANSACTIONS on Information and Systems/E105--D(2)/pp.205-214, 2022-03
  • Forward-Secure Public Key Encryption without Key Update from Proof-of-Stake Blockchain
    Nuta Seiya; Schuldt Jacob C.N.; Nishide Takashi
    Indocrypt/LNCS 13143/pp.436-461, 2021-12
  • Private Decision Tree Evaluation with Constant Rounds via (only) SS-3PC over Ring and Field
    Tsuchida Hikaru; Nishide Takashi; Maeda Yusaku
    IEICE Trans. Fundamentals/E105A(3)/pp.214-230, 2021-03
  • 整数型平文空間における非線形2変数準同型演算の高速化
    前田大輔; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2022-01
  • 多項式補間による整数型準同型大小比較/除算の改良
    森村洸生; 西出 隆志
    暗号と情報セキュリティシンポジウム(SCIS), 2022-01
  • Client-aided Robust Bit-composition Protocol with Deterministic Cheater Identification in Standard Model
    Tsuchida Hikaru; Nishide Takashi
    Journal of Information Processing, Information Processing Society of Japan, 2021-09
  • Private Decision Tree Evaluation with Constant Rounds via (Only) Fair SS-4PC
    Tsuchida Hikaru; Nishide Takashi
    Australasian Conference on Information Security and Privacy (ACISP), 2021-12
  • One-Time Delegation of Unlinkable Signing Rights and Its Application
    Nishide Takashi
    International Conference on Provable Security (ProvSec)/pp.103-123, 2020-11
  • Private Decision Tree Evaluation with Constant Rounds via (Only) SS-3PC over Ring
    Tsuchida Hikaru; Nishide Takashi; Maeda Yusaku
    International Conference on Provable Security (ProvSec)/pp.298-317, 2020-11
  • Regularization with Latent Space Virtual Adversarial Training
    Osada Genki; Ahsan Budrul; Bora Revoti Prasad; Nishide T...
    ECCV/pp.565-581, 2020-08
  • Client-Aided Bit-Composition Protocol with Guaranteed Output Delivery
    Tsuchida Hikaru; Nishide Takashi
    International Symposium on Information Theory and its Application (ISITA)/pp.387-391, 2020-10
  • TEE技術に基づく非対話紛失通信プロトコルの構成
    小林正英; 西出 隆志
    情報通信システムセキュリティ研究会(ICSS), 2020-11
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Books
  • 暗号と情報セキュリティ
    西出 隆志; 岡本 栄司
    リスク工学シリーズ8巻/コロナ社/pp.1-103, 2016-05
Conference, etc.
  • Outsourced Private Function Evaluation with Privacy Policy Enforcement
    Kunihiro Noboru; Lu Wen-Jie; Nishide Takashi; Sakuma Jun
    IEEE TrustCom2018/2018-08--2018-08
  • API仕様書の説明文を用いたマルウェア動的解析手法
    長田元気; 面和成; 西出隆志
    暗号と情報セキュリティシンポジウム(SCIS)/2018-01-23--2018-01-26
  • Network Intrusion Detection based on Semi-Supervised Variational Auto-Encoder
    Osada Genki; Omote Kazumasa; Nishide Takashi
    The 22nd European Symposium on Research in Computer Security (ESORICS)/2017-09-11--2017-09-15
  • Improved Proxy Re-encryption Scheme for Symmetric Key Cryptography
    Syalim Amril; Nishide Takashi; Sakurai Kouichi
    International Workshop on Big Data and Information Security (IWBIS)/2017-09-23--2017-09-24
  • Committed AND Protocol Using Three Cards with More Handy Shuffle
    Shinagawa Kazumasa; Nuida Koji; Nishide Takashi; Hanao...
    3rd International Symposium on Information Theory and Its Applications (ISITA)/2016-10-30--2016-11-02
  • Revocable Decentralized Multi-Authority Functional Encryption
    Tsuchida Hikaru; Nishide Takashi; Okamoto Eiji; Kim K...
    17th International Conference on Cryptology in India (INDOCRYPT)/2016-12-11--2016-12-14
  • Size-Hiding Computation for Multiple Parties
    Shinagawa Kazumasa; Nuida Koji; Nishide Takashi; Hanaoka ...
    22nd Annual International Conference on Theory and Application of Cryptology and Information Security (ASIACRYPT)/2016-12-04--2016-12-08
  • Searchable Symmetric Encryption Supporting Queries with Multiple-Character Wildcards
    Zhao Fangming; Nishide Takashi
    10th International Conference on Network and System Security (NSS)/2016-09-28--2016-09-30
  • Software Implementation of a Pairing Function for Public Key Cryptosystems
    Kanbara Yusuke; Teruya Tadanori; Kanayama Naoki; Nishi...
    5th International Conference on IT Convergence and Security (ICITCS)/2015-08-24--2015-08-27
  • Software Implementation of Ciphertext-Policy Functional Encryption with Simple Usability
    Hasegawa Keisuke; Kanayama Naoki; Nishide Takashi; Oka...
    5th International Conference on IT Convergence and Security (ICITCS)/2015-08-24--2015-08-27
  • Constructions of Fail-Stop Signatures for Multi-Signer Setting
    Kitajima Nobuaki; Yanai Naoto; Nishide Takashi; Hanaok...
    10th Asia Joint Conference on Information Security (AsiaJCIS 2015)/2015-05-24--2015-05-26
  • Multi-party Computation with Small Shuffle Complexity Using Regular Polygon Cards
    Shinagawa Kazumasa; Mizuki Takaaki; Schuldt Jacob C. N.; Nui...
    9th International Conference on Provable Security (ProvSec)/2015-11-24--2015-11-26
Teaching
2023-04 -- 2023-08Internship B in Risk Engineering in Doctoral ProgramUniversity of Tsukuba.
2023-10 -- 2024-02Internship B in Risk Engineering in Doctoral ProgramUniversity of Tsukuba.
2023-04 -- 2023-08Internship B in Risk and Resilience Engineering in Master's ProgramUniversity of Tsukuba.
2023-10 -- 2024-02Internship B in Risk and Resilience Engineering in Master's ProgramUniversity of Tsukuba.
2023-04 -- 2023-08Project Research in Risk EngineeringUniversity of Tsukuba.
2023-10 -- 2024-02Project Research in Risk EngineeringUniversity of Tsukuba.
2023-10 -- 2024-02Advanced Project Research in Risk and Resilience EngineeringUniversity of Tsukuba.
2023-04 -- 2023-08Advanced Project Research in Risk and Resilience EngineeringUniversity of Tsukuba.
2023-11 -- 2023-12Introduction to Information Science:Information SystemsUniversity of Tsukuba.
2023-04 -- 2023-07Introduction to Risk EngineeringUniversity of Tsukuba.
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Other educational activities
2017-07 -- 2017-07教員免許状更新講習筑波大学
Talks
  • ワンタイムプログラムとその応用
    西出 隆志
    情報理論とその応用シンポジウム 特別セッション(情報セキュリティ)/2018-12-21
Professional activities
2021 -- (current)International Conference on Security & Privacy (ICSP 2021)Program Committee member
2020-04 -- 2020-10International Conference on Security & Privacy (ICSP 2020)Program Committee member
2020-04 -- 2020-10International Symposium on Information Theory and Its Applications (ISITA)2020Technical Program Committee member
2019-06 -- 2020-08The Institute of Electronics, Information and Communication Enineers (IEICE)英文論文誌A 「暗号と情報セキュリティ小特集号」(2021年度出版) 編集幹事
2019-04 -- 2019-12The Institute of Electronics, Information and Communication Enineers (IEICE)英文論文誌A 「暗号と情報セキュリティ小特集号」(2020年度出版) 編集幹事
2017-06 -- 2017-10情報処理学会情報処理学会論文誌コンピュータセキュリティ特集号 編集委員
2017-06 -- 2017-10情報処理学会情報処理学会論文誌ネットワークサービスと分散処理特集号 編集委員
2017-06 -- 2017-08ICICSThe 19th International Conference on Information and Communications Security(ICICS) 2017 Program Committee
2017-04 -- 2017-11電子情報通信学会電子情報通信学会 英文論文誌A 「離散数学とその応用小特集号」 編集委員
2018-07 -- 2018-09ICICSThe 20th International Conference on Information and Communications Security(ICICS) 2018 Program Committee
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University Management
2023-04 -- 2024-03リスク・レジリエンス工学学位P、M1学年主担当
2022 -- (current)リスク・レジリエンス工学学位Pカリキュラム委員
2022 -- (current)情報科学類 カリキュラム委員
2022-04 -- 2023-03リスク・レジリエンス工学学位P予算委員
2022-04 -- 2023-03リスク・レジリエンス工学学位P広報委員会
2022-04 -- 2023-03情報科学類広報企画委員会高校訪問担当
2021-04 -- 2022-03情報科学類広報企画委員会高校訪問担当
2021-04 -- 2022-03リスク・レジリエンス工学学位P学生支援対応チーム委員
2021-04 -- 2022-03リスク・レジリエンス工学学位P表彰選考委員委員長
2021-04 -- 2022-03リスク・レジリエンス工学学位P学務委員委員
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(Last updated: 2023-08-29)