Okamoto Takeshi 岡本健

… Alternative Names

OKAMOTO Takeshi 岡本健

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Researcher Number	00349797
Other IDs
Affiliation (Current)	2025: 筑波技術大学, 保健科学部, 教授
Affiliation (based on the past Project Information) *help	2025: 筑波技術大学, 保健科学部, 教授 2018 – 2023: 筑波技術大学, 保健科学部, 教授 2012 – 2016: 筑波技術大学, 保健科学部, 准教授 2007: University of Tsukuba, 大学院・システム情報工学研究科, 講師 2006: University of Tsukuba, Graduate School of Systems and Information Engineering, Lecturer, 大学院システム情報工学研究科, 講師 2004 – 2005: 筑波大学, 大学院・システム情報工学研究科, 講師 2003: University of Tsukuba, Institute of Information Sciences and Electronics, Assistant Professor, 電子・情報工学系, 講師
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related / Fundamental theory of informatics / Computer system/Network Except Principal Investigator Science and Engineering / Basic Section 09060:Special needs education-related / Communication/Network engineering / 情報通信工学
Keywords	Principal Investigator CAPTCHA / ペアリング / 電子署名 / 障害者支援 / 認証 / アクセシビリティ / バリアフリー / マルコフ連鎖 / ワードサラダ / 情報アクセシビリティ … More / 認証技術 / バリアフリー型 / アルゴリズムの高速化 / 匿名認証方式 / 匿名認証 / 相手認証 / 暗号 / 演算高速化 / 直接計算 / 演算の高速化 / 楕円曲線暗号 / on-the-fly … More Except Principal Investigator 暗号 / 公開鍵暗号系 / Pairing / 楕円曲線 / 鍵 / 情報補償 / 教育方法開発 / 教育支援システム / アクセシビリティ / 情報アクセス支援 / 盲ろう者教育支援 / 盲ろう者コミュニケーション / 合理的配慮 / 情報保障 / 遠隔教育支援システム / 特別支援教育 / 視覚障害 / Hybrid-P2P model / 1-out-of-n scheme / Secret sharing scheme (SSS) / (k, n) threshold scheme / Cryptographic key management / Bilinear mapping / Elliptic curve / 証明書 / 署名 / Twisted Ateペアリング / Ateペアリング / ペアリング / Hybrid-P2Pモデル / 1-out-of-n方式 / 秘密情報分散方式 / (k, n)閾値法 / 暗号鍵管理 / 双線形写像 / ぺアリング / Multiparty protocol / ID Information / Public key cryptosystem / Authentication / Cryptography / ICカード / セキュリティモジュール / マルチパーティプロトコル / ID情報 / 認証 / 脆弱性 / PKI / 公開鍵証明書 / PMI / SSL / 公開鍵暗号基盤 Less

IoT環境向け匿名認証技術の構築Principal Investigator
- Principal Investigator
  
  岡本健
- Project Period (FY)
  2025 – 2029
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tsukuba University of Technology
Development of CAPTCHA to realize barrier freePrincipal Investigator
- Principal Investigator
  
  Okamoto Takeshi
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Tsukuba University of Technology
Construction and evaluation of a direct and intuitive information access infrastructure for visually impaired student education
- Principal Investigator
  
  JUNJI ONISHI
- Project Period (FY)
  2018 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 09060:Special needs education-related
- Research Institution
  Tsukuba University of Technology
The Construction for Anonymous Authentication Scheme using Bilinear PairingPrincipal Investigator
- Principal Investigator
  
  Okamoto Takeshi
- Project Period (FY)
  2012 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  Tsukuba University of Technology
直接計算の負荷削減アプローチによる電子署名の高速化Principal Investigator
- Principal Investigator
  
  岡本健
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Computer system/Network
- Research Institution
  University of Tsukuba
PKIの安全性向上化技術の研究
- Principal Investigator
  
  岡本栄司
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  University of Tsukuba
Research on treatment to prevent loss of cryptographic key
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Communication/Network engineering
- Research Institution
  University of Tsukuba
PKIシステムの安全性と柔軟性に関する研究
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  2003
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  University of Tsukuba
Research on Personal Security Module
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  情報通信工学
- Research Institution
  University of Tsukuba
  Toho University

All 2023 2022 2020 2019 2018 2017 2015 2014 2008 2007 2005 2004 Other

All Journal Article Presentation Book

[Book] 情報セキュリティハンドブック2004
- Author(s)
  岡本栄司(編集幹事長)
- Total Pages
  610
- Publisher
  電子情報通信学会,オーム社
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16360184
[Book] 情報セキュリティハンドブック2004
- Author(s)
  今井秀樹(編集長), 岡本栄司(編集幹事長)
- Total Pages
  590
- Publisher
  オーム社
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] LightGBMを用いた公開リポジトリのエクスプロイト判定手法2023
- Author(s)
  芳村涼介, 外谷渉, 赤木雅弥, 岡本健, 堀江則之, 小笠原恒雄
- Journal Title
  
  コンピュータセキュリティシンポジウム2023 (CSS2023)
  
  Volume: 3B2-1 Pages: 1-7
- Data Source
  KAKENHI-PROJECT-19K11957
[Journal Article] Reality Varied by Visions: Requirements of Immersive Virtual Reality Content for Users with Low-Vision2020
- Author(s)
  Miura, Takahiro, Izumi, Toshiki, Matsuo, Masaki, Sakajiri, Masatsugu, Okamoto, Takeshi, Onishi, Junji
- Journal Title
  
  Journal on Technology and Persons with Disabilities
  
  Volume: 8 Pages: 170-195
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01038
[Journal Article] Online Communication Assistant System for Deafblind Person2020
- Author(s)
  Junji Onishi, Takahiro Miura, Takeshi Okamoto, Masaki Matsuo, Masatsugu Sakajiri
- Journal Title
  
  Future Perspectives of AT, eAccessibility and eInclusion
  
  Volume: 1 Pages: 171-176
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01038
[Journal Article] Improving Web Browsing Experience Using a Screen Reader for Visually Impaired Persons2020
- Author(s)
  Takahiro Miura, Yuya Otsuka, Masaki Matsuo, Masatsugu Sakajiri, Takeshi Okamoto, Junji Onishi
- Journal Title
  
  Future Perspectives of AT, eAccessibility and eInclusion
  
  Volume: 1 Pages: 23-27
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18H01038
[Journal Article] 機械合成文の不自然度相対識別問題に基づくCAPTCHAの提案2015
- Author(s)
  山口通智, 岡本健, 菊池浩明
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 56 Pages: 1834-1845
- NAID
  170000130724
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24500005
[Journal Article] CAPTCHA System by Differentiating the Awkwardness of Objects2015
- Author(s)
  M. Yamaguchi, T. Okamoto and H. Kikuchi
- Journal Title
  
  n Proceedings of International Conference on Network-Based Information Systems (NBiS2015)
  
  Volume: 無 Pages: 257-263
- DOI
  10.1109/nbis.2015.114
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24500005
[Journal Article] An Accessible CAPTCHA system for People with Visual Disability―Generation of Human/Computer Distinguish Test with Documents on the Net2014
- Author(s)
  M. Yamaguchi, T. Nakata, T. Okamoto
- Journal Title
  
  In Proceedings of 16th International Conference on Human-Computer Interaction (HCI2014)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24500005
[Journal Article] Vulnerability of the Conventional Accessible CAPTCHA used by the White House and an Alternative Approach for Visually Impaired People2014
- Author(s)
  M. Yamaguchi, T. Nakata, H. Watanabe, T. Okamoto and H. Kikuchi
- Journal Title
  
  In Proceedings of IEEE International Conference on Systems, Man, and Cybernetics (SMC2014)
  
  Volume: 無 Pages: 3946-3951
- DOI
  10.1109/smc.2014.6974548
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24500005
[Journal Article] An Accessible CAPTCHA system for People with Visual Disability―Generation of Human/Computer Distinguish Test with Documents on the Net2014
- Author(s)
  M. Yamaguchi, T. Nakata, T. Okamoto and H. Kikuchi
- Journal Title
  
  In Proceedings of 16th International Conference on Human-Computer Interaction (HCII2014)
  
  Volume: 無 Pages: 119-130
- DOI
  10.1007/978-3-319-07509-9_12
- ISBN
  9783319075082, 9783319075099
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24500005
[Journal Article] Efficient ID-based digital signatures with message recovery2007
- Author(s)
  R.Tso, C.Gu, T.Okamoto and E. Okamoto, Springer
- Journal Title
  
  International Conference on Cryptology and Network Security (CANS2007), Lecture Notes in Computer Science (LNCS), Springer 4856
  
  Pages: 47-59
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] Sender Authenticated Key Agreements Without Random Oracles2007
- Author(s)
  C.Sato, T.Okamoto and E.Okamoto
- Journal Title
  
  International Conference on Convergence Information Technology (ICCIT 2007), IEEE CS Proceedings
  
  Pages: 2156-2162
- NAID
  10026858646
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] Verifier-key-flexible universal designated-verifier signatures2007
- Author(s)
  R.Tso, J.Nieto, T.Okamoto, C.Boyd and E.Okamoto
- Journal Title
  
  International Conference on Cryptography and Coding (IMA2007), Lecture Notes in Computer Science (LNCS) 4887
  
  Pages: 403-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] Cryptosystems based on elliptic curve pairing2005
- Author(s)
  E.Okamoto, T.Okamoto
- Journal Title
  
  MDAI2O05 (Modeling Decisions for Artificial Intelligence)
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] Authorization-Limited TFP Systems and Security Analysis2005
- Author(s)
  L.Wang, Z.Cao, T.Okamato, E.Okamoto
- Journal Title
  
  IEICE Trans
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] 送信者に認証機能を付加したブロードキャスト暗号,2005
- Author(s)
  金沢史明, 猪俣敦夫, 岡本健, 岡本栄司
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Pages: 349-354
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] Performance evaluation of efficient algorithms for Tate pairing2005
- Author(s)
  S.Matsuda, A.Inomata, T.Okamoto, E.Okamoto
- Journal Title
  
  Proc.of RacRim2005
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] ハッシュ関数を用いたk-out-of-n署名2005
- Author(s)
  樋口達己, 岡本健, 岡本栄司
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Pages: 229-234
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] An ID-based non-interactive tripartite key agreement protocol with k-resillence2005
- Author(s)
  R.Tso, T.Okamoto, T.Takagi, E.Okamoto
- Journal Title
  
  電子情報通信学会、暗号と情報セキュリティシンポジウム SCIS2005
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] 署名長が固定された1-out-of-n署名2005
- Author(s)
  岡本健, 岡本栄司
- Journal Title
  
  コンピュータセキュリティシンポジウム(CSS)
  
  Pages: 223-228
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] k-resilient ID-based key distribution schemes from pairing-three party case2005
- Author(s)
  Takeshi Okamoto
- Journal Title
  
  Proc.of International Workshop on Coding and Cryptography (WCC2005)
  
  Pages: 402-412
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] How to verify the threshold t of Shamir's (t,n)-threshold scheme to verify2005
- Author(s)
  R.Tso, Y.Miao, T.Okamoto, E.Okamoto
- Journal Title
  
  IPSJ Journal Vol.46,No.8
  
  Pages: 1824-1833
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] Learner's privacy enhanced arechitecture for distance learning2005
- Author(s)
  A.Inomata, Y.Oyama, S.Uda, T.Okamoto, E.Okamoto
- Journal Title
  
  Proc. of The 4^<th> IASTED International Conference on Web-Based Education (WBW2005) WBW2005
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] k-resilient ID-based key distribution schemes from pairing - three party case2005
- Author(s)
  Takeshi Okamoto
- Journal Title
  
  Proc. of International Workshop on Coding and Cryptography (WCC2005)
  
  Pages: 402-412
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] Specification and design of advanced authentication and authorization services2005
- Author(s)
  Javier Lopez, Jose A.Montenegro, Jose L.Vivas, Eiji Okamoto, Ed Dawson
- Journal Title
  
  Computer Standard and Interface Journal 27
  
  Pages: 467-478
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] An ID-Based Non-Interactive Tripartite Key Agreement Protocol with K-Resilience2005
- Author(s)
  Raylin Tso, Takeshi Okamoto, Eiji Okamoto
- Journal Title
  
  Communications and Computer Networks (CCN 2005)
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] Multi-keys tripartite key agreement from pairing2005
- Author(s)
  L.Wang, T.Okamoto, T.Takagi, E.Okamoto
- Journal Title
  
  電子情報通信学会、暗号と情報セキュリティシンポジウム SCIS2005
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] Real-time computation with enhanced pipe2005
- Author(s)
  Y.Oyama, A.Inomata, T.Okamoto, E.Okamoto
- Journal Title
  
  MDAI2005 (Modeling Decisions for Artificial Intelligence ) (submitted)
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] A novel mail filtering method against method against phishing2005
- Author(s)
  A.Inomata, Sk.Md.Mizanur Rahman, T.Okamoto, E.Okamoto
- Journal Title
  
  PacRim2005
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] A proposal of short proxy signature using pairing2005
- Author(s)
  T.Okamoto, A.Inomata, E.Okamoto
- Journal Title
  
  2005 International Conference on Information Technology Coding and Computing (ITCC 2005), IEEE Computer Society
  
  Pages: 631-635
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] Insider Impersonation MIM Attack to Tripartite an Efficient Protocol for Multiple keys2005
- Author(s)
  L.Wang, T.Okamoto, T.Takagi, E.Okamoto
- Journal Title
  
  International Conference on Computational Intelligence and Security LNAI3802 Part II
  
  Pages: 198-203
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] An ID-based non-interactive tripartite key agreement protocol with k-resilience2005
- Author(s)
  R.Tso, T.Okamoto, T.Takagi, E.Okamoto
- Journal Title
  
  電子情報通信学会、暗号と情報セキュリティシンポジウム SCIS2005
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] Practical strong designated verifier signature schemes based on double discrete logarithms2005
- Author(s)
  R.Tso, T.Okamoto, E.Okamoto
- Journal Title
  
  SKLOIS Conference on Information Security and Cryptology (CISC2005) Lecture Notes in Computer Science (LNCS) 3822
  
  Pages: 113-127
- Data Source
  KAKENHI-PROJECT-17700046
[Journal Article] A share-correctable protocol for the Shamir threshold scheme and its application to participant enrollment2005
- Author(s)
  R.Tso, Y.Miao, T.Okamoto, E.Okamoto
- Journal Title
  
  IPSJ Journal Vol.46,No.8
  
  Pages: 1880-1888
- NAID
  130000058436
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] The dynamic-typed access model and decidability of the safety problem2004
- Author(s)
  M.Soshi, M.Maekawa, E.Okamoto
- Journal Title
  
  電子情報通信学会英論文誌 E87-A
  
  Pages: 190-203
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] Security of Kuwakado-Tanaka transitive signature scheme for directed trees2004
- Author(s)
  X.Yi, C.-H.Tan, E.Okamoto
- Journal Title
  
  電子情報通信学会英論文誌 E87-A
  
  Pages: 955-957
- NAID
  110003212987
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] One-way and two-party authenticated ID-based key distribution protocols using Pairing2004
- Author(s)
  T.Okamoto, R.Tso, E.Okamoto
- Journal Title
  
  情報処理学会コンピュータセキュリティシンポジウム CSS'04
  
  Pages: 307-312
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] ID-based key agreement protocols using pairing2004
- Author(s)
  T.Okamoto, K.Harada, E.Okamoto
- Journal Title
  
  Proc.of 2004 International Symposium on Information Theory and it Applications ISITA2004
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] A fast signature scheme with new on-line computation2004
- Author(s)
  T.Okamoto, H.Katsuno, E.Okamoto
- Journal Title
  
  電子情報通信学会英論文誌 E87-A
  
  Pages: 1154-1161
- NAID
  110003213012
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] 短い署名長を持つ委任署名とその応用に関する研究2004
- Author(s)
  岡本健, 猪俣敦夫, 岡本栄司
- Journal Title
  
  情報処理学会コンピュータセキュリティシンポジウム CSS'04
  
  Pages: 745-750
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] Anonymous traceable disclosure scheme using pairing over elliptic curve2004
- Author(s)
  T.Ito, T.Okamoto, E.Okamoto
- Journal Title
  
  Proc. of 3^<rd> International Conference on Information Security
  
  Pages: 48-52
- Data Source
  KAKENHI-PROJECT-16360184
[Journal Article] A quantum algorithm for sorting2004
- Author(s)
  Sk.Md.M.Rahman, E.Okamoto
- Journal Title
  
  7^<th> International Conference on Computer and Information Technology ICCIT2004
- Data Source
  KAKENHI-PROJECT-16016209
[Journal Article] Fair generation of detective group key, using pairing2004
- Author(s)
  T.Okamoto, T.Ito, E.Okamoto
- Journal Title
  
  Proc. of 2004 International Symposium on Information Theory and it Applications ISITA2004
- Data Source
  KAKENHI-PROJECT-16016209
[Presentation] Visual SLAMを用いた視覚障害者向け自走ロボットの試作2022
- Author(s)
  君島翔平，岡本健
- Organizer
  情報処理学会第84回全国大会
- Data Source
  KAKENHI-PROJECT-19K11957
[Presentation] スクリーンリーダーでの Web サイト閲覧体験の向上に関する研究2020
- Author(s)
  大塚勇哉, 三浦貴大, 松尾政輝, 坂尻正次, 岡本健, 大西淳児
- Organizer
  第29回ライフサポート学会フロンティア講演会
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] 弱視者におけるHMD装着時の全天球映像の把握特性ついて2019
- Author(s)
  大西淳児, 泉隼樹, 三浦貴大, 松尾政輝, 岡本健, 坂尻正次
- Organizer
  知覚情報研究会・マルチモーダル応用及び一般
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] 視覚障害者向けタッピングゲームを用いたリズム認知の評価2019
- Author(s)
  星野隼人, 大西淳児, 岡本健
- Organizer
  第28回ライフサポート学会フロンティア講演会
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] 盲ろう者とのコミュニケーションのためのリモート点字出力システムについて2019
- Author(s)
  大西淳児, 三浦貴大, 岡本健, 松尾政輝, 坂尻正次
- Organizer
  知覚情報研究会・Society5.0時代に向けた発達支援に役立つ情報技術，一般
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] 講演会の参加に適した盲ろう者向け情報保障ツールの基盤構築2019
- Author(s)
  岡本健, 大西淳児, 関田巖
- Organizer
  情報処理学会全国大会講演論文集 2019
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] 弱視者におけるHMD用全天球VRコンテンツの没入感に関する研究2019
- Author(s)
  泉隼樹, 三浦貴大, 松尾政輝, 坂尻正次, 岡本健, 大西淳児
- Organizer
  第28回ライフサポート学会フロンティア講演会
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] スクリーンリーダーを使用した多重並行作業時の負荷を軽減する操作支援システムの提案2018
- Author(s)
  出澤由利, 三浦貴大, 中田一紀, 岡本健, 大西淳児, 坂尻正次
- Organizer
  知覚情報研究会・知覚情報技術の最前線
- Data Source
  KAKENHI-PROJECT-18H01038
[Presentation] ペアリング暗号の研究動向2017
- Author(s)
  岡本健
- Organizer
  Crypto and Cyber Security 研究交流会
- Place of Presentation
  大阪大学
- Invited
- Data Source
  KAKENHI-PROJECT-24500005
[Presentation] 不自然さの識別問題を用いたCAPTCHAに関する研究2015
- Author(s)
  山口通智, 岡本健, 菊池浩明
- Organizer
  第29回情報通信システムセキュリティ(ICSS)研究会
- Place of Presentation
  名桜大学(沖縄県名護市)
- Year and Date
  2015-03-03
- Data Source
  KAKENHI-PROJECT-24500005
[Presentation] 1-out-of-n Signature and its Application2008
- Author(s)
  T., Okamoto・E., Okamoto
- Organizer
  Symposium on Cryptography and Information Security (SCIS)
- Place of Presentation
  宮崎県
- Year and Date
  2008-01-25
- Data Source
  KAKENHI-PROJECT-17700046
[Presentation] 人間ロボット判別テストのバリアフリー化のための言語的作問とその自然文生成技法
- Author(s)
  山口通智, 岡本健
- Organizer
  コンピュータセキュリティシンポジウム (CSS2013), 3D3-3，情報処理学会
- Place of Presentation
  かがわ国際会議場(香川県高松市)
- Data Source
  KAKENHI-PROJECT-24500005
[Presentation] バリアフリーなCAPTCHAの基盤構築：視覚に障害をもつ医療系学生を事例として
- Author(s)
  岡本健, 山口通智, 三宅輝久, 石塚和重, 野口栄太郎, 大越教夫
- Organizer
  暗号と情報セキュリティシンポジウム(SCIS2014), 4B2-1, 電子情報通信学会
- Place of Presentation
  城山観光ホテル(鹿児島県鹿児島市)
- Data Source
  KAKENHI-PROJECT-24500005
[Presentation] インターネット上に湧出する文章の特徴とそのチューリングテストのバリアフリー化への利用
- Author(s)
  山口通智, 中田亨, 岡本健
- Organizer
  情報科学技術フォーラム(FIT2013), 第3分冊, pp.669-670, K-049，情報処理学会
- Place of Presentation
  鳥取大学(鳥取県鳥取市)
- Data Source
  KAKENHI-PROJECT-24500005

1. MIAO Ying (10302382)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
2. OKAMOTO Eiji (60242567)

# of Collaborated Projects: 4 results

# of Collaborated Products: 27 results
3. MAMBO Masahiro (60251972)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. JUNJI ONISHI (30396238)

# of Collaborated Projects: 1 results

# of Collaborated Products: 10 results
5. 高木剛 (60404802)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
6. 佐藤洋一 (20147581)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 坂尻正次 (70412963)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
8. 緒方昭広 (80516708)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 三浦貴大 (80637075)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
10. でん天波

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. DENG Tian-bo

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. とう天波

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 〓天波

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 土井洋

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Okamoto Takeshi 岡本 健

OKAMOTO Takeshi 岡本 健

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IoT環境向け匿名認証技術の構築Principal Investigator

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Development of CAPTCHA to realize barrier freePrincipal Investigator

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Construction and evaluation of a direct and intuitive information access infrastructure for visually impaired student education

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The Construction for Anonymous Authentication Scheme using Bilinear PairingPrincipal Investigator

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直接計算の負荷削減アプローチによる電子署名の高速化Principal Investigator

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PKIの安全性向上化技術の研究

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Research on treatment to prevent loss of cryptographic key

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PKIシステムの安全性と柔軟性に関する研究

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Research on Personal Security Module

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[Book] 情報セキュリティハンドブック2004

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[Book] 情報セキュリティハンドブック2004

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[Journal Article] LightGBMを用いた公開リポジトリのエクスプロイト判定手法2023

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[Journal Article] Reality Varied by Visions: Requirements of Immersive Virtual Reality Content for Users with Low-Vision2020

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[Journal Article] Online Communication Assistant System for Deafblind Person2020

Author(s)

Okamoto Takeshi 岡本健

OKAMOTO Takeshi 岡本健