Nishide Takashi 西出隆志

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NISHIDE Takashi 西出隆志

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Researcher Number	70570985
Affiliation (Current)	2025: 筑波大学, システム情報系, 准教授
Affiliation (based on the past Project Information) *help	2025: 筑波大学, システム情報系, 准教授 2016 – 2023: 筑波大学, システム情報系, 准教授 2013 – 2015: 筑波大学, システム情報工学研究科(系), 准教授 2014: 筑波大学, システム情報工学研究系, 准教授 2013 – 2014: 筑波大学, システム情報系, 准教授 2011 – 2012: 九州大学, システム情報科学研究科(研究院, 助教 2010 – 2011: 九州大学, システム情報科学研究院, 助教
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related / Information security / Medium-sized Section 60:Information science, computer engineering, and related fields / Fundamental theory of informatics Except Principal Investigator Computer system/Network / Information security / Fundamental theory of informatics
Keywords	Principal Investigator 暗号技術 / 情報セキュリティ / 暗号 / 情報基礎 / プライバシ保護 / 属性ベース暗号 / 検索暗号 / 公開鍵暗号 / ファイル共有 / クラウド … More Except Principal Investigator … More 暗号・認証等 / セキュア・ネットワーク / 暗号 / グラフクリーク問題 / 一方向性ハッシュ関数 / マイニング / 計算困難性 / デペンダブル・コンピューテング / 著作権・コンテンツ保護 / 暗号通過 / 情報システム / アルゴリズム / ネットワーク / FinTech / 公開台帳 / 暗号通貨 / 認証基盤 / グラフ問題 / ブロックチェーン / ビットコイン / IDベース暗号 / 分散計算 / 認証 / 仮想通貨 / 情報通信工学 / 高信頼性ネットワーク / コンピュータセキュリティ / 暗号理論 / ネットワークセキュリティ / 内部攻撃 / ゲーム理論 / サイバー攻撃 / ネットワークセキュティ / 情報セキュリティ / 電子現金 / システムセキュリティ / 暗号・認証 / 安全性評価 / 情報漏洩対策 / 内部脅威 / プライバシ / 普遍安全性 / 安全性検証 / プライバシー保護 / データマイニング Less

完全準同型暗号の多様な実利用シナリオ適応に向けた機能拡張Principal Investigator
- Principal Investigator
  
  西出隆志
- Project Period (FY)
  2025 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Tsukuba
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Principal Investigator
- Principal Investigator
  
  西出隆志
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  University of Tsukuba
Secure Outsourcing of Program Execution with Private InputsPrincipal Investigator
- Principal Investigator
  
  Nishide Takashi
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Tsukuba
Improving functionality and efficiency of secure computation by using structures of problemsPrincipal Investigator
- Principal Investigator
  
  Nishide Takashi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Information security
- Research Institution
  University of Tsukuba
Decentralized cryptographic infrastructure: Design and Analysis of Applied Systems
- Principal Investigator
  
  SAKURAI KOUICHI
- Project Period (FY)
  2015 – 2017
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Information security
- Research Institution
  Kyushu University
Cryptographic Techniques for Both Protecting and Utilizing Confidential DataPrincipal Investigator
- Principal Investigator
  
  NISHIDE Takashi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Information security
- Research Institution
  University of Tsukuba
Multipath integration for providing secure communication with multi-level
- Principal Investigator
  
  HORI Yoshiaki
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Computer system/Network
- Research Institution
  Saga University
  Kyushu University
A study on evaluating Insider Threats and fighting against Insider attacks in Cyber Systems
- Principal Investigator
  
  SAKURAI Kouichi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Computer system/Network
- Research Institution
  Kyushu University
Research on how to share encrypted data in a distributed settingPrincipal Investigator
- Principal Investigator
  
  NISHIDE Takashi
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  University of Tsukuba
  Kyushu University
Design and Security Analysis of Cryptographic Protocol for Privacy-Preserving Data Mining
- Principal Investigator
  
  SAKURAI Kouichi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Kyushu University

[Journal Article] Efficient Homomorphic Evaluation of Arbitrary Uni/Bivariate Integer Functions and Their Applications2024
- Author(s)
  Daisuke Maeda, Koki Morimura, Shintaro Narisada, Kazuhide Fukushima, Takashi Nishide
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E107.A Issue: 3 Pages: 234-247
- DOI
  10.1587/transfun.2023CIP0010
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2024-03-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K18459
[Journal Article] GPU Acceleration of High-Precision Homomorphic Computation Utilizing Redundant Representation2023
- Author(s)
  Shintaro Narisada, Hiroki Okada, Kazuhide Fukushima, Shinsaku Kiyomoto, Takashi Nishide
- Journal Title
  
  Workshop on Encrypted Computing & Applied Homomorphic Cryptography
  
  Volume: 1 Pages: 1-9
- DOI
  10.1145/3605759.3625256
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23K18459
[Journal Article] PoS Blockchain-Based Forward-Secure Public Key Encryption with Immutable Keys and Post-Compromise Security Guarantees2023
- Author(s)
  NUTA Seiya、SCHULDT Jacob C. N.、NISHIDE Takashi
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E106.A Issue: 3 Pages: 212-227
- DOI
  10.1587/transfun.2022CIP0016
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2023-03-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Private Decision Tree Evaluation with Constant Rounds via (Only) SS-3PC over Ring and Field2022
- Author(s)
  Hikaru Tsuchida, Takashi Nishide, and Yusaku Maeda
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E105.A Issue: 3 Pages: 214-230
- DOI
  10.1587/transfun.2021CIP0018
- NAID
  130008165432
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2022-03-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Square Table Lookup Multiparty Computation Protocol2022
- Author(s)
  Wang Zhongqi、Fuse Keita、Nishide Takashi
- Journal Title
  
  International Symposium on Computing and Networking Workshops (CANDARW), IEEE
  
  Volume: 1 Pages: 392-395
- DOI
  10.1109/candarw57323.2022.00048
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Constant-Round Fair SS-4PC for Private Decision Tree Evaluation2022
- Author(s)
  TSUCHIDA Hikaru、NISHIDE Takashi
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E105.A Issue: 9 Pages: 1270-1288
- DOI
  10.1587/transfun.2021DMP0016
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2022-09-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Improved Integer-wise Homomorphic Comparison and Division based on Polynomial Evaluation2022
- Author(s)
  Morimura Koki、Maeda Daisuke、Nishide Takashi
- Journal Title
  
  International Conference on Availability, Reliability and Security (ARES), ACM
  
  Volume: 33 Pages: 1-10
- DOI
  10.1145/3538969.3538988
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Efficient Homomorphic Evaluation of Arbitrary Bivariate Integer Functions2022
- Author(s)
  Maeda Daisuke、Morimura Koki、Nishide Takashi
- Journal Title
  
  Workshop on Encrypted Computing & Applied Homomorphic Cryptography (WAHC), ACM
  
  Volume: 1 Pages: 13-22
- DOI
  10.1145/3560827.3563378
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Client-aided Robust Bit-composition Protocol with Deterministic Cheater Identification in Standard Model2021
- Author(s)
  Hikaru Tsuchida, and Takashi Nishide
- Journal Title
  
  Journal of Information Processing
  
  Volume: 29 Issue: 0 Pages: 515-524
- DOI
  10.2197/ipsjjip.29.515
- NAID
  130008088405
- ISSN
  1882-6652
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Private Decision Tree Evaluation with Constant Rounds via (Only) Fair SS-4PC2021
- Author(s)
  Hikaru Tsuchida, and Takashi Nishide
- Journal Title
  
  ACISP, LNCS, Springer
  
  Volume: 13083 Pages: 309-329
- DOI
  10.1007/978-3-030-90567-5_16
- ISBN
  9783030905668, 9783030905675
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Forward-Secure Public Key Encryption without Key Update from Proof-of-Stake Blockchain2021
- Author(s)
  Seiya Nuta, Jacob C.N. Schuldt, and Takashi Nishide
- Journal Title
  
  Indocrypt, LNCS, Springer
  
  Volume: 13143 Pages: 436-461
- DOI
  10.1007/978-3-030-92518-5_20
- ISBN
  9783030925178, 9783030925185
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] One-Time Delegation of Unlinkable Signing Rights and Its Application2020
- Author(s)
  Takashi Nishide
- Journal Title
  
  International Conference on Provable Security, Springer-Verlag
  
  Volume: LNCS 12505 Pages: 103-123
- DOI
  10.1007/978-3-030-62576-4_6
- ISBN
  9783030625757, 9783030625764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Load Balancing in Sharded Blockchains2020
- Author(s)
  Naoya Okanami, Ryuya Nakamura, and Takashi Nishide
- Journal Title
  
  Workshop on Trusted Smart Contracts (in Financial Cryptography), Springer-Verlag
  
  Volume: LNCS 12063 Pages: 512-524
- DOI
  10.1007/978-3-030-54455-3_36
- ISBN
  9783030544546, 9783030544553
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Regularization with Latent Space Virtual Adversarial Training2020
- Author(s)
  Genki Osada, Budrul Ahsan, Revoti Prasad Bora, Takashi Nishide
- Journal Title
  
  European Conference on Computer Vision (ECCV), Springer-Verlag
  
  Volume: LNCS 12346 Pages: 565-581
- DOI
  10.1007/978-3-030-58452-8_33
- ISBN
  9783030584511, 9783030584528
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Client-Aided Bit-Composition Protocol with Guaranteed Output Delivery2020
- Author(s)
  Hikaru Tsuchida and Takashi Nishide
- Journal Title
  
  IEICE Proceeding Series
  
  Volume: 65 Pages: 387-391
- DOI
  10.34385/proc.65.C01-11
- NAID
  230000012647
- ISSN
  2188-5079
- Year and Date
  2020-10-18
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] Private Decision Tree Evaluation with Constant Rounds via (Only) SS-3PC over Ring2020
- Author(s)
  Hikaru Tsuchida, Takashi Nishide, and Yusaku Maeda
- Journal Title
  
  International Conference on Provable Security, Springer-Verlag
  
  Volume: LNCS 12505 Pages: 298-317
- DOI
  10.1007/978-3-030-62576-4_15
- ISBN
  9783030625757, 9783030625764
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11807
[Journal Article] 通信量を削減した浮動小数演算のためのマルチパーティ計算2019
- Author(s)
  天田拓磨，奈良成泰，西出隆志，吉浦裕
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 60
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Outsourced Private Function Evaluation with Privacy Policy Enforcement2018
- Author(s)
  Noboru Kunihiro, Wen-jie Lu, Takashi Nishide, Jun Sakuma
- Journal Title
  
  IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Expressive Ciphertext-Policy Attribute-Based Encryption with Fast Decryption2018
- Author(s)
  Hikaru Tsuchida, Takashi Nishide，Eiji Okamoto
- Journal Title
  
  ProvSec Workshop (Journal of Internet Services and Information Security (JISIS))
  
  Volume: 8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] A Privacy-enhanced Access Log Management Mechanism in SSO Systems from Nominative Signatures2017
- Author(s)
  Sanami Nakagawa, Keita Emura, Goichiro Hanaoka, Akihisa Kodate, Takashi Nishide, Eiji Okamoto, Yusuke Sakai
- Journal Title
  
  International Journal of Applied Cryptography
  
  Volume: Vol. 3, No. 4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] 秘密計算を用いた時系列情報の安全な集計方法2017
- Author(s)
  奈良成泰, 天田拓磨, 西出隆志, 土井洋, 吉浦裕
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.58, No.9
- NAID
  170000173806
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] One-time Programs with Cloud Storage and Its Application to Electronic Money2017
- Author(s)
  Takuya Kitamura, Kazumasa Shinagawa, Takashi Nishide, Eiji Okamoto
- Journal Title
  
  ACM International Workshop on ASIA Public-Key Cryptography
  
  Volume: - Pages: 25-30
- DOI
  10.1145/3055504.3055507
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Provably Secure Gateway Threshold Password-based Authenticated Key Exchange Secure against Undetectable On-line Dictionary Attack2017
- Author(s)
  Yukou Kobayashi, Naoto Yanai, Kazuki Yoneyama, Takashi Nishide, Goichiro Hanaoka, Kwangjo Kim, Eiji Okamoto
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: Vol. E100--A, No. 12
- NAID
  130006236473
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Identity-Based Key-Insulated Aggregate Signatures, Revisited2017
- Author(s)
  Nobuaki Kitajima, Naoto Yanai, Takashi Nishide
- Journal Title
  
  Inscrypt
  
  Volume: LNCS 10726
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Card-Based Protocols Using Regular Polygon Cards2017
- Author(s)
  Kazumasa Shinagawa, Mizuki Takaaki, Jacob C.N. Schuldt, Koji Nuida, Naoki Kanayama, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: Vol. E100-A, No. 9
- NAID
  130006038272
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00178
[Journal Article] Revocable Decentralized Multi-Authority Functional Encryption2016
- Author(s)
  Hikaru Tsuchida, Takashi Nishide, Eiji Okamoto, Kwangjo Kim
- Journal Title
  
  Indocrypt LNCS
  
  Volume: 10095
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Software Library for Ciphertext/Key-Policy Functional Encryption with Simple Usability2016
- Author(s)
  Keisuke Hasegawa, Naoki Kanayama, Takashi Nishide, Eiji Okamoto
- Journal Title
  
  Journal of Information Processing
  
  Volume: 24
- NAID
  130005415008
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Committed AND Protocol Using Three Cards with More Handy Shuffle2016
- Author(s)
  Kazumasa Shinagawa, Koji Nuida, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  IEEE International Symposium on Information Theory and its Application
  
  Volume: 1
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Secure Computation Protocols Using Polarizing Cards2016
- Author(s)
  Kazumasa Shinagawa, Mizuki Takaaki, Jacob C.N. Schuldt, Koji Nuida, Naoki Kanayama, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: E99-A
- NAID
  130005154234
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Fail-Stop Signatures for Multiple-Signers: Definitions, Constructions, and Their Extensions2016
- Author(s)
  Nobuaki Kitajima, Naoto Yanai, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  Journal of Information Processing
  
  Volume: 24
- NAID
  130005138297
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Searchable Symmetric Encryption Supporting Queries with Multiple-Character Wildcards2016
- Author(s)
  Fangming Zhao, Takashi Nishide
- Journal Title
  
  International Conference on Network and System Security, LNCS
  
  Volume: 9955
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Size-Hiding Computation for Multiple Parties2016
- Author(s)
  Kazumasa Shinagawa, Koji Nuida, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  Asiacrypt LNCS
  
  Volume: 10032
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Gateway Threshold Password-based Authenticated Key Exchange Secure against Undetectable On-line Dictionary Attack2015
- Author(s)
  Yukou Kobayashi, Naoto Yanai, Kazuki Yoneyama, Takashi Nishide, Goichiro Hanaoka, Kwangjo Kim, Eiji Okamoto
- Journal Title
  
  International Conference on Security and Cryptography
  
  Volume: 1 Pages: 39-52
- DOI
  10.5220/0005539300390052
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Software Implementation of Ciphertext-Policy Functional Encryption with Simple Usability2015
- Author(s)
  Keisuke Hasegawa, Naoki Kanayama, Takashi Nishide, Eiji Okamoto
- Journal Title
  
  International Conference on IT Convergence and Security
  
  Volume: 1 Pages: 1-4
- DOI
  10.1109/icitcs.2015.7293020
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Constructions of Fail-Stop Signatures for Multi-signer Setting2015
- Author(s)
  Nobuaki Kitajima, Naoto Yanai, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Journal Title
  
  Asia Joint Conference on Information Security
  
  Volume: 1 Pages: 112-123
- DOI
  10.1109/asiajcis.2015.26
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] A Privacy-enhanced Access Log Management Mechanism in SSO Systems from Nominative Signatures2014
- Author(s)
  Sanami Nakagawa, Keita Emura, Goichiro Hanaoka, Akihisa Kodate, Takashi Nishide, Eiji Okamoto, Yusuke Sakai
- Journal Title
  
  13th IEEE International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom)
  
  Volume: isbn978-1-4799-6513-7 Pages: 565-574
- DOI
  10.1109/trustcom.2014.72
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Fine-Grained Access Control Aware Multi-User Data Sharing with Secure Keyword Search2014
- Author(s)
  Fangming Zhao, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  IEICE Transactions on Information and Systems
  
  Volume: (掲載決定)
- NAID
  130004519275
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Anonymous Encryption with Partial-order Subset Delegation and Its Application in Privacy Email Systems2014
- Author(s)
  Mingwu Zhang, Takashi Nishide, Bo Yang, Tsuyoshi Takagi
- Journal Title
  
  IET Information Security
  
  Volume: 8 Issue: 4 Pages: 240-249
- DOI
  10.1049/iet-ifs.2013.0045
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Fine-Grained Access Control Aware Multi-User Data Sharing with Secure Keyword Search2014
- Author(s)
  Fangming Zhao, Takashi Nishide, Kouichi Sakurai
- Journal Title
  
  IEICE Transactions on Information and Systems
  
  Volume: E97-D
- NAID
  130004519275
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Fine-Grained Access Control Aware Multi-User Data Sharing with Secure Keyword Search2014
- Author(s)
  Fangming Zhao, Takashi Nishide, Kouichi Sakurai,
- Journal Title
  
  IEICE Transactions on Information and Systems
  
  Volume: -
- NAID
  130004519275
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 部分的に小さな法を用いたマルチパーティ計算のビット演算効率化2014
- Author(s)
  加藤遼，西出隆志，吉浦裕
- Journal Title
  
  情報処理学会論文誌 (IPSJ)
  
  Volume: 55
- NAID
  110009822838
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26330151
[Journal Article] Analysis of Methods for Detecting Compromised Nodes and Its Countermeasures2013
- Author(s)
  Fangming Zhao, Takashi Nishide, Yoshiaki Hori, Kouichi Sakurai
- Journal Title
  
  Proc. of the International Conference on IT Convergence and Security
  
  Pages: 53-60
- DOI
  10.1007/978-94-007-5860-5_7
- ISBN
  9789400758599, 9789400758605
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23300027
[Journal Article] Character-based Symmetric Searchable Encryption and Its Implementation and Experiment on Mobile Devices2013
- Author(s)
  Takanori Suga, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  Wiley Security and Communication Networks
  
  Volume: 9 Issue: 12 Pages: 1717-1725
- DOI
  10.1002/sec.876
- NAID
  120007129501
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Weakness of Provably Secure Searchable Encryption Against Frequency Analysis2012
- Author(s)
  Takanori Suga, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  5th Mosharaka International Conference on Communications, Computers and Applications (MIC-CCA)
  
  Volume: ISSN: 2227-331X Pages: 142-147
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Security Analysis of Offline E-Cash Systems with Malicious Insider2012
- Author(s)
  Takashi Nishide, Shingo Miyazaki, and Kouichi Sakurai
- Journal Title
  
  Journal of Wireless Mobile Networks, Ubiquitous Computing and Dependable Applications(JoWUA)
  
  Volume: Vol. 3, No. 1/2 Pages: 55-71
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23300027
[Journal Article] Security Analysis of Offline E-Cash Systems with Malicious Insider, Journal of Wireless Mobile Networks2012
- Author(s)
  Takashi Nishide, Shingo Miyazaki, Kouichi Sakurai
- Journal Title
  
  Ubiquitous Computing and Dependable Applications
  
  Volume: Vol. 3, No. 1/2 Pages: 55-71
- URL
  http://www.techrepublic.com/resourcelibrary/whitepapers/security-analysis-of-offline-e-cash-systems-with-malicious-insider/
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23300027
[Journal Article] Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control2012
- Author(s)
  Fangming Zhao, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  14th Annual International Conference on Information Security and Cryptology (ICISC'11), (Springer-Verlag)
  
  Volume: LNCS 7259 Pages: 406-418
- NAID
  170000067510
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] ブルームフィルタによる検索可能暗号とその安全性評価2012
- Author(s)
  菅孝徳, 西出隆志, 櫻井幸一
- Journal Title
  
  電子情報通信学会総合大会
  
  Volume: CD-ROM
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 検索可能暗号に対する頻度分析攻撃実験2012
- Author(s)
  菅孝徳，西出隆志，櫻井幸一
- Journal Title
  
  暗号と情報セキュリティシンポジウム(SCIS)
  
  Volume: CD-ROM
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Secure Keyword Search Using Bloom Filter with Specified Character Positions2012
- Author(s)
  Takanori Suga, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  6th International Conference on Provable Security (ProvSec), (Springer-Verlag)
  
  Volume: LNCS 7496 Pages: 235-252
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Secure Keyword Search Using Bloom Filter with Specified Character Positions2012
- Author(s)
  Takanori Suga, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  6th International Conference on Provable Security (ProvSec)
  
  Volume: LNCS 7496 Pages: 235-252
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 署名データを組み込んだRSA公開鍵生成法の提案2012
- Author(s)
  北原基貴，西出隆志，櫻井幸一
- Journal Title
  
  情報処理学会，九州支部，火の国情報シンポジウム
  
  Volume: CD-ROM
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] A Method for Embedding Secret Key Information in RSA Public Key and Its Application2012
- Author(s)
  Motoki Kitahara, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  6th International Workshop on Advances in Information Security (WAIS)
  
  Volume: ISBN 978-1-4673-1328-5 Pages: 665-670
- DOI
  10.1109/imis.2012.123
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 認証機能を埋め込んだ公開鍵暗号の提案2012
- Author(s)
  北原基貴，西出隆志，櫻井幸一
- Journal Title
  
  暗号と情報セキュリティシンポジウム(SCIS)
  
  Volume: CD-ROM
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Security of Offline Anonymous Electronic Cash Systems Against Insider Attacks By Untrusted Authorities Revisited2011
- Author(s)
  Takashi Nishide, Kouichi Sakurai
- Journal Title
  
  Proc. of 3rd International Conference on Intelligent Networking and Collaborative Systems
  
  Pages: 656-661
- DOI
  10.1109/incos.2011.146
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23300027
[Journal Article] Realizing Fine-grained and Flexible Access Control to Outsourced Data with Attribute-based Cryptosystems2011
- Author(s)
  Fangming Zhao, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  7th Information Security Practice and Experience Conference (ISPEC), (Springer-Verlag)
  
  Volume: LNCS 6672 Pages: 83-97
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 安全なクラウドストレージを実現するFADEへの改良の提案2011
- Author(s)
  田中敏之, 西出隆志, 櫻井幸一
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Volume: CD-ROM
- NAID
  170000067469
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Distributed Paillier Cryptosystem without Trusted Dealer2011
- Author(s)
  T.Nishide, K.Sakurai
- Journal Title
  
  International Workshop on Information Security Applications
  
  Volume: Springer LNCS6513 Pages: 44-60
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300005
[Journal Article] Towards Countermeasure of Insider Threat in Network Security2011
- Author(s)
  Yoshiaki Hori, Takashi Nishide, Kouichi Sakurai
- Journal Title
  
  Proc. of the Third International Conference on Intelligent Networking and Collaborative Systems
  
  Pages: 634-636
- DOI
  10.1109/incos.2011.156
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23300027
[Journal Article] Distributed Paillier Cryptosystem without Trusted Dealer2011
- Author(s)
  Takashi Nishide, Kouichi Sakurai
- Journal Title
  
  11th International Workshop on Information Security Applications (WISA2010) LNCS6513
  
  Pages: 44-60
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300005
[Journal Article] Realizing Fine-grained and Flexible Access Control to Outsourced Data with Attribute-based Cryptosystems2011
- Author(s)
  Fangming Zhao, Takashi Nishide, Kouichi Sakurai
- Journal Title
  
  7th Information Security Practice and Experience Conference (ISPEC) LNCS6672 Springer-Verlag
  
  Pages: 83-97
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20300005
[Journal Article] Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control2011
- Author(s)
  Fangming Zhao, Takashi Nishide, Kouich Sakurai
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Volume: CD-ROM
- NAID
  170000067510
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control2011
- Author(s)
  Fangming Zhao, Takashi Nishide, and Kouichi Sakurai
- Journal Title
  
  14th Annual International Conference on Information Security and Cryptology (ICISC’11)
  
  Volume: LNCS
- NAID
  170000067510
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700021
[Journal Article] 検索可能暗号の安全性再考2011
- Author(s)
  菅孝徳, 西出隆志, 櫻井幸一
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Volume: CD-ROM
- NAID
  170000067462
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] 整数型準同型暗号におけるHomomorphic Linear Transformationを用いた任意二変数関数計算2024
- Author(s)
  中島明，林卓也，土田光，杉崎行優，森健吾，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K18459
[Presentation] NISQを仮定した量子ワンタイムメモリの提案2024
- Author(s)
  関井恭介，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K18459
[Presentation] 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2023
- Author(s)
  前田大輔，森村洸生，成定真太郎，福島和英，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] Secure Multi-key Homomorphic Signatures against Insider Corruption2023
- Author(s)
  Ye Xu，Takashi Nishide
- Organizer
  How to Compute Multiplication in FHE Encoding Integer Plaintexts into Polynomials
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] 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2023
- Author(s)
  成定真太郎，福島和英，清本晋作，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] 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2023
- Author(s)
  伊藤悠椰，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] How to Compute Multiplication in FHE Encoding Integer Plaintexts into Polynomials2023
- Author(s)
  王中琦，梨本健斗，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] 多項式補間による整数型準同型大小比較/除算の改良2022
- Author(s)
  森村洸生，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] 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2022
- Author(s)
  前田大輔，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] 暗号通貨MoneroへのKleptographic攻撃に関する考察2020
- Author(s)
  南翔，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] Load Balancing for Sharded Blockchains2020
- Author(s)
  Naoya Okanami，Ryuya Nakamura, Takashi Nishide
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] TEE 技術に基づく非対話紛失通信プロトコルの構成2020
- Author(s)
  小林正英，西出隆志
- Organizer
  情報通信システムセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-20K11807
[Presentation] ブロックチェーンを用いた鍵更新なしフォワード安全公開鍵暗号2020
- Author(s)
  怒田晟也，Jacob Schuldt，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] HSM上での耐量子暗号の実装と評価2020
- Author(s)
  布施慶太，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] 効率的なOnlineフェーズを持つビット結合プロトコル2020
- Author(s)
  土田光，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] ワンタイムプログラムとそのシュノア署名への応用2019
- Author(s)
  西出隆志
- Organizer
  Technical report of IEICE, ISEC
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] ノンスベースのハイブリッド暗号2019
- Author(s)
  三島貴務，西出隆志
- Organizer
  Technical report of IEICE, ISEC
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] 完全準同型暗号に基づく非対話型大小比較の拡張2019
- Author(s)
  樋口裕二，西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] 複数鍵完全準同型暗号を用いた非対話型大小比較プロトコル2019
- Author(s)
  樋口裕二，西出隆志
- Organizer
  Technical report of IEICE, ISEC
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] クラウドワンタイムプログラムとその電子現金への応用2018
- Author(s)
  北村拓也, 西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] ランサムウェア検知ソフトCryptoDropの耐性評価2018
- Author(s)
  南翔，西出隆志
- Organizer
  情報通信システムセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] マルチパス通信を実現する Datagram TLS 拡張2018
- Author(s)
  怒田晟也，西出隆志
- Organizer
  情報通信システムセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] 準同型演算と暗号文拡張を同時に実行する動的な複数鍵完全準同型暗号2018
- Author(s)
  小嶋陸大, 西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] 浮動小数点演算のための通信コストを削減したマルチパーティ計算2018
- Author(s)
  天田拓磨, 奈良成泰, 西出隆志，吉浦裕
- Organizer
  暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] ブロックチェーンを用いた電子契約プロトコル2017
- Author(s)
  三島貴務，西出隆志
- Organizer
  情報通信システムセキュリティ研究会
- Data Source
  KAKENHI-PROJECT-17K00178
[Presentation] TEPLA上での内積暗号の実装と評価2017
- Author(s)
  神原佑輔, 西出隆志
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  ロワジールホテル那覇(沖縄県那覇市)
- Year and Date
  2017-01-24
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] サイズを隠す多者間プロトコルの実現(不)可能性について2016
- Author(s)
  品川和雅，縫田光司, 金山直樹，西出隆志，花岡悟一郎, 岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  ANAクラウンプラザホテル熊本(熊本県熊本市)
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 高速復号可能かつ一般的なアクセス構造を実現した属性ベース暗号2016
- Author(s)
  土田光，金山直樹，西出隆志，岡本栄司
- Organizer
  情報セキュリティ研究会
- Place of Presentation
  電気通信大学(東京都調布市)
- Year and Date
  2016-03-10
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] TEPLAに基づく暗号文/鍵規定型属性ベース暗号の実装2016
- Author(s)
  長谷川佳祐，金山直樹，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  ANAクラウンプラザホテル熊本(熊本県熊本市)
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 共通鍵完全準同型暗号を用いた安全なブルームフィルタ2016
- Author(s)
  小嶋陸大，品川和雅，金山直樹，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  ANAクラウンプラザホテル熊本(熊本県熊本市)
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] クラウドを用いたワンタイムプログラムとその電子現金への応用2016
- Author(s)
  北村拓也，品川和雅，金山直樹，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  ANAクラウンプラザホテル熊本(熊本県熊本市)
- Year and Date
  2016-01-19
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 隠し共有ストレージ機能を用いた入出力のサイズを隠す二者間秘密計算の実現(不)可能性2015
- Author(s)
  品川和雅，縫田光司，金山直樹，西出隆志，花岡悟一郎，岡本栄司
- Organizer
  コンピュータセキュリティシンポジウム
- Place of Presentation
  長崎ブリックホール(長崎県長崎市)
- Year and Date
  2015-10-21
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] Toward Revocation Mechanism for Multi-Authority CP-ABE2013
- Author(s)
  Takashi Nishide
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Place of Presentation
  京都(5pages)
- Year and Date
  2013-01-24
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] Toward Revocation Mechanism for Multi-Authority CP-ABE2013
- Author(s)
  Takashi Nishide
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Place of Presentation
  京都
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] Character-based Symmetric Searchable Encryption2012
- Author(s)
  Takanori Suga, Takashi Nishide, Kouichi Sakurai
- Organizer
  7th International Workshop on Security (IWSEC) (poster session)
- Place of Presentation
  福岡
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] 検索可能暗号に対する頻度分析攻撃実験2012
- Author(s)
  菅孝徳,西出隆志,櫻井幸一
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Place of Presentation
  石川(5pages)
- Year and Date
  2012-02-01
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] 2重DESに対する中間一致攻撃への耐性強化手法2011
- Author(s)
  西出隆志, 吉永真一, Rishiraj Bhattacharyya, Bimal Roy, 櫻井幸一
- Organizer
  2011暗号と情報セキュリティシンポジウム
- Place of Presentation
  福岡
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] ブルームフィルタを用いた検索自由度の高い検索可能暗号の設計と実装評価2011
- Author(s)
  菅孝徳, 西出隆志, 櫻井幸一
- Organizer
  第53回コンピュータセキュリティ研究発表会 (CSEC)
- Place of Presentation
  福岡(6pages)
- Year and Date
  2011-05-13
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] Security of Offline Anonymous Electronic Cash Systems Against Insider Attacks By Untrusted Authorities Revisited2011
- Author(s)
  Takashi Nishide
- Organizer
  3rd International Workshop on Managing Insider Security Threats
- Place of Presentation
  福岡
- Year and Date
  2011-12-01
- Data Source
  KAKENHI-PROJECT-23300027
[Presentation] Multi-User Keyword Search Scheme for Secure Data Sharing with Fine-Grained Access Control2011
- Author(s)
  Fangming Zhao, Takashi Nishide, Kouich Sakurai
- Organizer
  コンピュータセキュリティシンポジウム(CSS)
- Place of Presentation
  新潟(6pages)
- Year and Date
  2011-10-20
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] Achieving Fine-grained and Flexible Access Control to Outsourced Data with Attribute-based Cryptosystems2011
- Author(s)
  Fangming Zhao, Takashi Nishide, and Kouichi Sakurai
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS)
- Place of Presentation
  福岡(8pages)
- Year and Date
  2011-01-27
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] Preserving Integrity and Confidentiality of a Directed Acyclic Graph Model of Provenance2010
- Author(s)
  Amril Syalim, Takashi Nishide, Kouichi Sakurai
- Organizer
  情報科学技術フォーラム(FIT),2pages
- Place of Presentation
  福岡
- Year and Date
  2010-09-09
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] IFIP WG 11.3 Working Conference on Data and ApPlications Security and Privacy 2010会議参加報告2010
- Author(s)
  西出隆志, Amril Syalim, 櫻井幸一
- Organizer
  コンピュータセキュリティシンポジウム(CSS),6pages
- Place of Presentation
  岡山
- Year and Date
  2010-10-21
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] Efficient Adaptively Secure Oblivious Polynomial Evaluation with Universal Composability : If Homomorphic and Non-committing Encryption Exists2010
- Author(s)
  Chunhua Su, Tadashi Araragi, Takashi Nishide, Kouichi Sakurai
- Organizer
  暗号と情報セキユリテイシンポジウム(SCIS),6pages
- Place of Presentation
  香川
- Year and Date
  2010-01-19
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] Distributed Key Generation for Paillier Cryptosystem2010
- Author(s)
  西出隆志, 櫻井幸一
- Organizer
  暗号と情報セキユリテイシンポジウム(SCIS),6pages
- Place of Presentation
  香川
- Year and Date
  2010-01-19
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] (k,n)秘密分散上での関係データベースの構造演算の実現2010
- Author(s)
  志村正法, 西出隆志, 吉浦裕
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS),6pages
- Place of Presentation
  香川
- Year and Date
  2010-01-21
- Data Source
  KAKENHI-PROJECT-20300005
[Presentation] Supersingularな楕円曲線における効率的Weilペアリング計算手法とその評価
- Author(s)
  田中和磨，照屋唯紀，金山直樹，西出隆志，岡本栄司
- Organizer
  情報通信システムセキュリティ研究会
- Place of Presentation
  東北学院大学(宮城県多賀城市中央1-13-1)
- Year and Date
  2014-11-27 – 2014-11-28
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] プロキシ型しきい値パスワード鍵共有
- Author(s)
  小林佑行，矢内直人，西出隆志，花岡悟一郎，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  鹿児島
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] 開示者指定グループ署名
- Author(s)
  中川紗菜美，江村恵太，花岡悟一郎，金山直樹，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  リーガロイヤルホテル小倉(福岡県北九州市小倉北区浅野2-14-2)
- Year and Date
  2015-01-20 – 2015-01-23
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 関数型暗号の実装仕様に関する考察
- Author(s)
  長谷川佳祐，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  鹿児島
- Data Source
  KAKENHI-PROJECT-23700021
[Presentation] 偏光板カードを用いた暗号プロトコル
- Author(s)
  品川和雅，金山直樹，縫田光司，西出隆志，岡本栄司
- Organizer
  コンピュータセキュリティシンポジウム
- Place of Presentation
  札幌コンベンションセンター(北海道札幌市白石区東札幌6条1-1-1)
- Year and Date
  2014-10-22 – 2014-10-24
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 複数の鍵発行機関が存在可能な関数型暗号に対する失効機能の実現
- Author(s)
  土田光，金山直樹，西出隆志，岡本栄司， Kwangjo Kim
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  リーガロイヤルホテル小倉(福岡県北九州市小倉北区浅野2-14-2)
- Year and Date
  2015-01-20 – 2015-01-23
- Data Source
  KAKENHI-PROJECT-26330151
[Presentation] 正多角形カードを用いた秘密計算プロトコル
- Author(s)
  品川和雅，水木敬明，縫田光司，金山直樹，西出隆志，岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム
- Place of Presentation
  リーガロイヤルホテル小倉(福岡県北九州市小倉北区浅野2-14-2)
- Year and Date
  2015-01-20 – 2015-01-23
- Data Source
  KAKENHI-PROJECT-26330151

1. SAKURAI Kouichi (60264066)

# of Collaborated Projects: 4 results

# of Collaborated Products: 13 results
2. HORI Yoshiaki (90264126)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
3. TAKAHASHI Kenichi (30399670)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. HASHIMOTO Yasufumi (30452733)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. ARARAGI Tadashi (00396136)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
6. 岡本栄司 (60242567)

# of Collaborated Projects: 1 results

# of Collaborated Products: 21 results
7. 金山直樹 (70339696)

# of Collaborated Projects: 1 results

# of Collaborated Products: 14 results
8. 穴田啓晃 (40727202)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 馮尭楷 (60363389)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 川本淳平 (10628473)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 國廣昇 (60345436)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. SU Chunhua

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
13. Yung Moti

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. Gollmann Dieter

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. SAUER Kurt

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Nishide Takashi 西出 隆志

NISHIDE Takashi 西出 隆志

Research Projects

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完全準同型暗号の多様な実利用シナリオ適応に向けた機能拡張Principal Investigator

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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Principal Investigator

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Secure Outsourcing of Program Execution with Private InputsPrincipal Investigator

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Improving functionality and efficiency of secure computation by using structures of problemsPrincipal Investigator

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Decentralized cryptographic infrastructure: Design and Analysis of Applied Systems

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Cryptographic Techniques for Both Protecting and Utilizing Confidential DataPrincipal Investigator

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Multipath integration for providing secure communication with multi-level

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A study on evaluating Insider Threats and fighting against Insider attacks in Cyber Systems

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Research on how to share encrypted data in a distributed settingPrincipal Investigator

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Design and Security Analysis of Cryptographic Protocol for Privacy-Preserving Data Mining

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[Journal Article] Efficient Homomorphic Evaluation of Arbitrary Uni/Bivariate Integer Functions and Their Applications2024

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[Journal Article] GPU Acceleration of High-Precision Homomorphic Computation Utilizing Redundant Representation2023

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[Journal Article] PoS Blockchain-Based Forward-Secure Public Key Encryption with Immutable Keys and Post-Compromise Security Guarantees2023

Author(s)

Nishide Takashi 西出隆志

NISHIDE Takashi 西出隆志