Okamoto Eiji 岡本栄司

… Alternative Names

岡本栄司オカモトエイジ

OKAMOTO Eiji 岡本栄司

岡本栄治オカモトエイジ

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Researcher Number	60242567
Other IDs
External Links
Affiliation (Current)	2025: 筑波大学, システム情報系(名誉教授), 名誉教授
Affiliation (based on the past Project Information) *help	2016: 筑波大学, システム情報系(名誉教授), 名誉教授 2015: 筑波大学, システム情報工学研究科(系), 教授 2014: 筑波大学, システム情報系, 教授 2011 – 2012: 筑波大学, システム情報系, 教授 2009 – 2010: University of Tsukuba, 大学院・システム情報工学研究科, 教授 … More 2006: University of Tsukuba, Graduate School of Systems and Information Engineering, Professor, 大学院システム情報工学研究科, 教授 2004 – 2005: 筑波大学, 大学院・システム情報工学研究科, 教授 2002 – 2003: 筑波大学, 電子・情報工学系, 教授 2001: 東邦大学, 理学部, 教授 1993 – 1998: 北陸先端科学技術大学院大学, 情報科学研究科, 教授 1996: 北陸先端科学技術大学院大学, 情報科学研究所, 教授 1994: JAIST,School of Inf. Sci., Professor, 情報科学研究所, 教授 Less
Review Section/Research Field	Principal Investigator Science and Engineering / 情報通信工学 / Communication/Network engineering / 情報システム学(含情報図書館学) / Fundamental theory of informatics / Computer system/Network Except Principal Investigator 情報システム学(含情報図書館学) / Information security / Fundamental theory of informatics
Keywords	Principal Investigator 暗号 / 公開鍵暗号系 / 楕円曲線 / PKI / cryptosystem / ペアリング / Pairing / 鍵 / 脆弱性 / 証明書 … More / 署名 / 公開鍵証明書 / 認証 / Hybrid-P2P model / 1-out-of-n scheme / Secret sharing scheme (SSS) / (k, n) threshold scheme / Cryptographic key management / Bilinear mapping / Elliptic curve / Twisted Ateペアリング / Ate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 / timing attack / random number / asymmetric encryption / symmetric encryption / factorization / タイミングアタック / 乱数 / 共通鍵暗号系 / 因数分解 / key distribution mechanism / symmetric key cryptosystem / ciphertext / decryption / encryption / 自己解凍 / 暗号プラットホーム / 情報セキュリティ / スカラー倍 / 正規化 / Millerのアルゴリズム / Tateペアリング / Weilペアリング / 最終べき乗 / ペアリング暗号 / 公開鍵暗号 / インテリジェント暗号 / 埋め込み次数 / 準同型写像 / 楕円曲線スカラー倍 / ペアリング逆問題 / 部分群判定問題 / 曲線生成 / 合成数位数 / ID ベース暗号 / ネットワークセキュリティ技術 / 危殆化 / プロトコル / セキュリティ / ネットワーク / リスク / ネットワークセキュリティ / PMI / SSL / 公開鍵暗号基盤 / CA … More Except Principal Investigator セキュリティ / 暗号 / covert channel / steganography / internet / subliminal messages / multimedia communication / security / 画像通信 / トロイの木馬 / 隠れ通信路(covert channel) / 情報隠蔽 / インターネット / 識閾下伝意 / マルチメディア通信 / Information Network / Digital Signature / Degree of Security / Simulation / Computer Virus / ディジタル署名 / システムインテグレーション / シミュレータ / 認証コンピュータウイルス / デイジタル署名 / コンピュータ・ウイルス / 情報ネットワーク / ディジタル著名 / セキュリティ強度 / シミュレーション / コンピューター・ウィルス / 情報基礎 / 暗号技術 / 情報セキュリティ / Millerのアルゴリズム / 小型デバイス / Optimal Ateペアリング / 正規化 / 超楕円曲線 / supersingular / 公開鍵暗号 / ハードウェア / 標数 / 有限体 / elliptic net / 等分多項式 / スカラー倍計算 / ペアリング暗号 / 楕円曲線暗号 / 曲線生成 / 合成数位数 / ペアリング / 楕円曲線 / ID ベース暗号 Less

Cryptographic Techniques for Both Protecting and Utilizing Confidential Data
- 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
Generating elliptic curves suitable for new type of pairing-based cryptographyPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  University of Tsukuba
Public-key cryptography suitable for implementation on small device
- Principal Investigator
  
  KANAYAMA Naoki
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Fundamental theory of informatics
- Research Institution
  University of Tsukuba
Vulnerability Risk Assessment of Security Systems and Proposal for System SLAPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  2009 – 2011
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- 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
- 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 keyPrincipal Investigator
- 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
- Principal Investigator
  
  岡本栄司
- 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
InterPKIの研究Principal Investigator
- Principal Investigator
  
  岡本栄司
- Project Period (FY)
  2002
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  University of Tsukuba
Inter PKIの研究Principal Investigator
- Principal Investigator
  
  岡本栄司
- Project Period (FY)
  2001
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas (C)
- Review Section
  
  Science and Engineering
- Research Institution
  Toho University
Research on Personal Security ModulePrincipal Investigator
- 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
Research on Cryptosystems and Their CriteriaPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  1997 – 1998
- Research Category
  
  Grant-in-Aid for international Scientific Research
- Research Field
  
  情報システム学(含情報図書館学)
- Research Institution
  Japan Advanced Institute of Science and Technology
Research on countermeasures to a threat of subliminal messages in multimedia communication
- Principal Investigator
  
  MURAYAMA Yuko
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  情報システム学(含情報図書館学)
- Research Institution
  Iwate Prefectural University
  Hiroshima City University
Research of Self-protection Mechanism for InformationPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Eiji
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  情報通信工学
- Research Institution
  Japan Advanced Institute of Science and Technology (JAIST)
Evaluation Method of Information Network Security
- Principal Investigator
  
  UYEMATSU Tomohiko, SHINODA Yoichi
- Project Period (FY)
  1993 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  情報システム学(含情報図書館学)
- Research Institution
  Japan Advanced Iustitute of Science and Technology

All 2016 2015 2014 2012 2011 2010 2009 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] 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] 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] 小標数の有限体上の elliptic net を用いたペアリングと楕円スカラー倍の計算2012
- Author(s)
  金山直樹, 劉陽, 岡本栄司, 齋藤和孝, 照屋唯紀, 内山成憲
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第112巻第211号 Pages: 7-13
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] Chaos-cryptography based privacy preservation technique for video surveillance, Special Issue on Privacy-aware multimedia surveillance systems2012
- Author(s)
  k. Md. Mizanur Rahman, M. Anwar Hossain, Hussein Mouftah, Abdulmotaleb El Saddik and Eiji Okamoto
- Journal Title
  
  ultmedia Systems, Springer
  
  Volume: Vol.18, No.2 Pages: 145-155
- URL
  http://dx.doi.org/10.1007/s00530-011-0246-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] Elliptic net を用いた楕円曲線スカラー倍計算について2012
- Author(s)
  金山直樹, 劉陽, 岡本栄司, 齋藤和孝, 照屋唯紀, 内山成憲
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第112巻第126号 Pages: 201-206
- NAID
  110009625816
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] ペアリング計算や楕円スカラー倍計算に適した準同型写像を持つ楕円曲線の生成について2012
- Author(s)
  金山直樹, 岡本栄司, 齋藤和孝
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第112巻第342号 Pages: 23-28
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] 部分群判定問題とペアリング逆問題についての注意2012
- Author(s)
  金山直樹, 内山成憲, 岡本栄司
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第112巻第305号 Pages: 89-92
- NAID
  110009642201
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] Barreto-Naehrig 曲線上の楕円スカラー倍の高速なソフトウェア実装に関する一考察2012
- Author(s)
  照屋唯紀, 金山直樹, 岡本栄司
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第112巻第39号 Pages: 11-18
- NAID
  110009569340
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] Elliptic net を用いた楕円曲線スカラー倍計算について2012
- Author(s)
  金山直樹, 劉陽, 岡本栄司, 齋藤和孝, 照屋唯紀, 内山成憲
- Journal Title
  
  信学技報
  
  Volume: 第112巻第126号 Pages: 201-206
- NAID
  110009625816
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] ペアリング計算や楕円スカラー倍計算に適した準同型写像を持つ楕円曲線の生成について2012
- Author(s)
  金山直樹, 岡本栄司, 齋藤和孝
- Journal Title
  
  信学技報
  
  Volume: 第112巻第342号 Pages: 23-28
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] A note on the pairing computation using normalized Miller functions, 査読あり,IEICE Transactions on Fundamentals of Electronics2012
- Author(s)
  Naoki Ogura, Shigenori Uchiyama, Naoki Kanayama and Eiji Okamoto
- Journal Title
  
  Communications and Computer Sciences
  
  Volume: Vol.E95-A,No.1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] 小標数の有限体上の elliptic net を用いたペアリングと楕円スカラー倍の計算2012
- Author(s)
  金山直樹, 劉陽, 岡本栄司, 齋藤和孝, 照屋唯紀, 内山成憲
- Journal Title
  
  信学技報
  
  Volume: 第112巻第211号 Pages: 7-13
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] 部分群判定問題とペアリング逆問題についての注意2012
- Author(s)
  金山直樹, 内山成憲, 岡本栄司
- Journal Title
  
  信学技報
  
  Volume: 第112巻第305号 Pages: 89-92
- NAID
  110009642201
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] A note on the pairing computation using normalized Miller functions2012
- Author(s)
  Naoki Ogura, Shigenori Uchiyama, Naoki Kanayama and Eiji Okamoto
- Journal Title
  
  Communications and Computer Sciences
  
  Volume: Vol.E95-A,No.1 Pages: 196-203
- NAID
  10030534797
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] Barreto-Naehrig 曲線上の楕円スカラー倍の高速なソフトウェア実装に関する一考察2012
- Author(s)
  照屋唯紀, 金山直樹, 岡本栄司
- Journal Title
  
  信学技報
  
  Volume: 第112巻第39号 Pages: 11-18
- NAID
  110009569340
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] Scalar Multiplication on Pairing Friendly Elliptic Curves2011
- Author(s)
  Naoki Kanayama, Tadanori Teruya and Eiji Okamoto
- Journal Title
  
  Communications and Computer Sciences
  
  Volume: Vol.E94-A, No.6 Pages: 1285-1292
- NAID
  10029802286
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] Scalar Multiplication on Pairing Friendly Elliptic Curves2011
- Author(s)
  Naoki Kanayama, Tadanori Teruya and Eiji Okamoto
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: Vol.E94-A, No.6
- NAID
  10029802286
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] 検索クエリ中のワイルドカードを秘匿する隠れベクトル暗号システム2011
- Author(s)
  秋山浩岐, 満保雅浩, 岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.52, No.9 Pages: 2662-2673
- NAID
  110008608829
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] 確率的パケットマーキングにおける最適マーキング確率の推定2011
- Author(s)
  岡田雅之、金岡晃、勝野恭治、岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 52 Pages: 2718-2728
- NAID
  110008608834
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] ネットワークシステムにおける脆弱性影響の測定手法とシステム実装2011
- Author(s)
  原田敏樹, 金岡晃, 加藤雅彦, 岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.52, No.9 Pages: 2613-2623
- NAID
  110008608824
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] 確率的パケットマーキングにおける最適マーキング確率の推定2011
- Author(s)
  岡田雅之, 金岡晃, 勝野恭治, 岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.52, No.9 Pages: 2718-2728
- NAID
  110008608834
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] Scalar Multiplication on Pairing Friendly Elliptic Curves2011
- Author(s)
  Naoki Kanayama, Tadanori Teruya, Eiji Okamoto
- Journal Title
  
  IEICE Transactions on Fundamentals
  
  Volume: Vol.E94-A, No.6
- NAID
  10029802286
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] メーリングリストを考慮したマスメール型ワームの感染数理モデル2010
- Author(s)
  金岡晃, 勝野恭治, 岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.51, No.3 Pages: 682-690
- NAID
  110007970675
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] Elliptic Net を用いた Ate ペアリングとその変形2010
- Author(s)
  小椋直樹, 金山直樹, 内山成憲, 岡本栄司
- Journal Title
  
  信学技報
  
  Volume: 第110巻第200号 Pages: 13-19
- NAID
  110008108056
- Data Source
  KAKENHI-PROJECT-22500005
[Journal Article] Forecasting of Information Security Related Incidents : Amount of Spam Messages as a Case Study2010
- Author(s)
  A.Romanov, E.Okamoto
- Journal Title
  
  電子情報通信学会英論文誌
  
  Volume: E93-B Pages: 1411-1421
- NAID
  120007137775
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] 我々をとりまく情報社会と暗号危殆化のかかわり2010
- Author(s)
  猪俣敦夫, 岡本栄司
- Journal Title
  
  情報処理学会50周年記念「情報処理技術の未来地図」
  
  Volume: 51巻、5号 Pages: 528-528
- NAID
  110007612515
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] Elliptic Net を用いた Ate ペアリングとその変形2010
- Author(s)
  小椋直樹, 金山直樹, 内山成憲, 岡本栄司
- Journal Title
  
  電子情報通信学会,信学技報
  
  Volume: 第110巻第200号 Pages: 13-19
- NAID
  110008108056
- Data Source
  KAKENHI-PROJECT-22300002
[Journal Article] 我々をとりまく情報社会と暗号危殆化のかかわり2010
- Author(s)
  猪俣敦夫、岡本栄司
- Journal Title
  
  情報処理学会誌
  
  Volume: 51 Pages: 523-523
- NAID
  110007612515
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] An Approach to Perform Quantitative Information Security Risk Assessment in IT Landscape2010
- Author(s)
  A.Romanov, H.Tsubaki, E.Okamoto
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 51 Pages: 1736-1749
- NAID
  130000418495
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] An approach to perform quantitative information security risk assessment in IT landscape2010
- Author(s)
  A. Romanov, H. Tsubaki and E. Okamoto
- Journal Title
  
  情報処理学会論文誌
  
  Volume: 51巻9号 Pages: 1726-1749
- NAID
  130000418495
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] Amount of spam messages as a case study2010
- Author(s)
  A. Romanov and E. Okamoto ; Forecasting of information security related incidents
- Journal Title
  
  電子情報通信学会論文誌
  
  Volume: E93-B巻6号 Pages: 1411-1421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] 安全なネットワークシステム設計のためのマルチレイヤネットワークモデルの提案と応用2010
- Author(s)
  金岡晃, 原田敏樹, 加藤雅彦, 勝野恭治, 岡本栄司
- Journal Title
  
  情報処理学会論文誌
  
  Volume: Vol.51, No.9 Pages: 1726-1735
- NAID
  110007970774
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[Journal Article] メーリングリストを考慮したマスメール型ワームの感染数理モデル2010
- Author(s)
  金岡晃、勝野恭治、岡本栄司
- Journal Title
  
  情報処理学会論文誌 Vol.51
  
  Pages: 682-690
- NAID
  110007970675
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21650011
[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] 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] 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] 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] 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 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] 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] 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] 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] 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] 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] 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] 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] 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)
  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] 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] 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] 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] 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] 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] 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
[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] 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
[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] 確率的パケットマーキング手法の実用化検討2011
- Author(s)
  金岡晃, 岡田雅之, 岡本栄司
- Organizer
  CSS2011
- Place of Presentation
  朱鷺メッセ(新潟県)
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] 正規化された Miller 関数を用いたペアリングの計算についての注意2011
- Author(s)
  小椋直樹, 内山成憲, 金山直樹, 岡本栄司
- Organizer
  2011 年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
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22300002
[Presentation] BlueSnarf revisited : OBEX FTP services directory traversal2011
- Author(s)
  A. Moreno, E. Okamoto
- Organizer
  Workshop on Wireless Cooperative Network Security (WCNS 2011)
- Place of Presentation
  Valencia, Spain
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] 2-bit AS Number Based IP Traceback2011
- Author(s)
  Masayuki Okada, Akira Kanaoka, Yasuharu Katsuno, Eiji Okamoto
- Organizer
  Fifth International Workshop on Advances in Information Security (WAIS-2011) Seoul, Korea
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Elliptic Net を用いた Ate ペアリングとその変形2011
- Author(s)
  小椋直樹, 金山直樹, 内山成憲, 岡本栄司
- Organizer
  2011 年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
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22500005
[Presentation] 正規化された Miller 関数を用いたペアリングの計算についての注意2011
- Author(s)
  小椋直樹, 内山成憲, 金山直樹, 岡本栄司
- Organizer
  2011 年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
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22500005
[Presentation] 正規化されたMiller関数を用いたペアリングの計算についての注意2011
- Author(s)
  小椋直樹, 内山成憲, 金山直樹, 岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム2011(SCIS2011)
- Place of Presentation
  リーガルロイヤルホテル小倉(福岡県)
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22500005
[Presentation] マルチレイヤのネットワークトポロジ抽出手法、第10回情報科学技術フォーラム(FIT2011)2011
- Author(s)
  日暮一太, 金岡晃, 加藤雅彦, 岡本栄司
- Organizer
  電子情報通信学会 & 情報処理学会
- Place of Presentation
  函館大学(北海道)
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] BlueSnarf revisited : OBEX FTP service directory traversal2011
- Author(s)
  Alberto Moreno, Eiji Okamoto
- Organizer
  Workshop on Wireless Cooperative Network Security (WCNS 2011)
- Place of Presentation
  Universitat Politecnica de Valencia(バルセロナ,スペイン)
- Year and Date
  2011-05-13
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] 正規化されたMiller関数を用いたペアリングの計算についての注意2011
- Author(s)
  小椋直樹, 内山成憲, 金山直樹, 岡本栄司
- Organizer
  暗号と情報セキュリティシンポジウム2011(SCIS2011)
- Place of Presentation
  リーガルロイヤルホテル小倉(福岡県)
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22300002
[Presentation] Elliptic Net を用いた Ate ペアリングとその変形2011
- Author(s)
  小椋直樹, 金山直樹, 内山成憲, 岡本栄司
- Organizer
  2011 年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
- Year and Date
  2011-01-26
- Data Source
  KAKENHI-PROJECT-22300002
[Presentation] An Approach for designing of enterprise IT landscapes to perform quantitative information security risk assessment2010
- Author(s)
  Anton Romanov and Eiji Okamoto
- Organizer
  ICETE/SECRYPT2009
- Place of Presentation
  Milan, Italy
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Identifying Potentially-Impacted Area by Vulnerabilities in Networked Systems using CVSS2010
- Author(s)
  T.Harada, A.Kanaoka, E.Okamoto, M.Kato.
- Organizer
  CSnP/SAINT2010, IEEE CS
- Place of Presentation
  Seoul, Korea
- Year and Date
  2010-07-21
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] スケールフリーネットワークにおけるQoSの輻輳制御を用いたDDoS攻撃対策2010
- Author(s)
  足立正天、金岡晃、岡本栄司
- Organizer
  SCIS2010
- Place of Presentation
  全日空ホテルクレメント高松(香川県)
- Year and Date
  2010-01-19
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Key agreement for large-scale dynamic peer group2010
- Author(s)
  Xun Yi and Eiji Okamoto
- Organizer
  ADPC2010 (Advances in Distributed and Parallel Computing)
- Place of Presentation
  Mandarin Orchard Hotel, Singapore
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] 入力の1つの点が共通な複数ペアリングの同時計算法2010
- Author(s)
  坂下泰紀、金山直樹、岡本栄司
- Organizer
  SCIS2010
- Place of Presentation
  全日空ホテルクレメント高松(香川県)
- Year and Date
  2010-01-20
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Design and analysis of "Flexible" k-out-of-n Signatures2010
- Author(s)
  Raylin Tso, Xun Yi, Tadahiko Ito, Takeshi Okamoto and Eiji Okamoto
- Organizer
  ATC2010 (The 7th International Conference on Autonomic and Trusted Computing)
- Place of Presentation
  Xi!~an, China
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Web感染型マルウェアリスク評価を可能とするネットワークトポロジ分析2010
- Author(s)
  金岡晃, 加藤雅彦, 岡本栄司
- Organizer
  電子情報通信学会ICSS研究会
- Place of Presentation
  広島市立大学(広島県)
- Year and Date
  2010-11-05
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] インターネットのトポロジ特性を考慮した確率的パケットマーキング手法の提案2009
- Author(s)
  國分淳次、金岡晃、岡本栄司
- Organizer
  CSS2009
- Place of Presentation
  富山国際会議場(富山県)
- Year and Date
  2009-10-28
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] An Approach for designing of enterprise IT landscapes to perform quantitative information security risk assessment2009
- Author(s)
  Anton Romanov, Eiji Okamoto
- Organizer
  ICETE/SECRYPT2009
- Place of Presentation
  Milanofiori, (Milan, Italy)
- Year and Date
  2009-07-09
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] A quantitative approach to access information security related risks2009
- Author(s)
  Anton Romanov and Eiji Okamoto
- Organizer
  4th International Conference on Risks and Security of Internet and Systems (CRISIS2009)
- Place of Presentation
  Toulouse, France
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] ネットワークシステムにおけるCVSSを用いた脆弱性影響範囲特定手法の検討2009
- Author(s)
  原田敏樹、金岡晃、岡本栄司、加藤雅彦
- Organizer
  情報通信システムセキュリティ研究会
- Place of Presentation
  宮崎大学(宮崎県)
- Year and Date
  2009-11-13
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] A quantative approach to access information secruity related risks2009
- Author(s)
  Anton Romanov, Eiji Okamoto
- Organizer
  CRISIS2009
- Place of Presentation
  LAAS-CNRS, (Toulouse, France)
- Year and Date
  2009-10-22
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Extraction of Parameters from Well Managed Networked System in Access Control2009
- Author(s)
  Akira Kanaoka, Masahito Kato, Nobukatsu Todo and Eiji Okamoto
- Organizer
  The Fourth International Conference on Internet Monitoring and Protection (ICIMP 2009)
- Place of Presentation
  Venice/Mestre, Italy
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] 向きを持つマルチレイヤネットワークモデルの提案とセキュリティへの応用2009
- Author(s)
  金岡晃、原田敏樹、加藤雅彦、岡本栄司
- Organizer
  情報処理学会CSEC研究会
- Place of Presentation
  東京理科大学森戸記念会館(東京都)
- Year and Date
  2009-12-18
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] Extraction of Parameters from Well Managed Networked System in Access Control2009
- Author(s)
  Akira Kanaoka, Masahito Kato, Nobukatsu Todo, Eiji Okamoto
- Organizer
  ICIMP 2009
- Place of Presentation
  NOVOTEL VENEZIA MESTRE CASTELLANA, (Venice/Mestre, Italy)
- Year and Date
  2009-05-25
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] A Framework for Building and Managing Secured ERP Landscape2009
- Author(s)
  Anton Romanov, Eiji Okamoto
- Organizer
  WORLDCOMP'09/SAM'09
- Place of Presentation
  Monte Carlo R&C, (Las Vegas, NV, USA.)
- Year and Date
  2009-07-15
- Data Source
  KAKENHI-PROJECT-21650011
[Presentation] A Framework for Building and Managing Secured ERP Landscape2009
- Author(s)
  Anton Romanov and Eiji Okamoto
- Organizer
  WORLDCOMP'09/SAM'09
- Place of Presentation
  LasVegas, Nevada, USA
- Data Source
  KAKENHI-PROJECT-21650011
[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] 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] 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. MAMBO Masahiro (60251972)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
2. MIAO Ying (10302382)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
3. OKAMOTO Takeshi (00349797)

# of Collaborated Projects: 4 results

# of Collaborated Products: 27 results
4. UYEMATSU Tomohiko (60168656)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
5. SHINODA Yoichi (50206108)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
6. KUROSAWA Kaoru (60153409)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
7. KANAOKA Akira (00455924)

# of Collaborated Projects: 3 results

# of Collaborated Products: 17 results
8. 佐藤洋一 (20147581)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
9. KANAYAMA Naoki (70339696)

# of Collaborated Projects: 2 results

# of Collaborated Products: 25 results
10. NISHIDE Takashi (70570985)

# of Collaborated Projects: 1 results

# of Collaborated Products: 21 results
11. KANEKO Mineo (00185935)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. MURAYAMA Yuko (20264955)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. SHIBATA Yoshitaka (80129791)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 高木剛 (60404802)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
15. PERALTA Rene

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. DAVODA George

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. DESMEDT Yvo

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. でん天波

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 〓天波

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 土井洋

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Okamoto Eiji 岡本 栄司

岡本 栄司 オカモト エイジ

OKAMOTO Eiji 岡本 栄司

岡本 栄治 オカモト エイジ

Research Projects

Research Products

Co-Researchers

Cryptographic Techniques for Both Protecting and Utilizing Confidential Data

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Generating elliptic curves suitable for new type of pairing-based cryptographyPrincipal Investigator

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Public-key cryptography suitable for implementation on small device

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Vulnerability Risk Assessment of Security Systems and Proposal for System SLAPrincipal Investigator

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PKIの安全性向上化技術の研究Principal Investigator

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Research on treatment to prevent loss of cryptographic keyPrincipal Investigator

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PKIシステムの安全性と柔軟性に関する研究Principal Investigator

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InterPKIの研究Principal Investigator

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Inter PKIの研究Principal Investigator

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Research on Personal Security ModulePrincipal Investigator

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Research on Cryptosystems and Their CriteriaPrincipal Investigator

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Research on countermeasures to a threat of subliminal messages in multimedia communication

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Research of Self-protection Mechanism for InformationPrincipal Investigator

Okamoto Eiji 岡本栄司

岡本栄司オカモトエイジ

OKAMOTO Eiji 岡本栄司

岡本栄治オカモトエイジ