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Kobara Kazukuni  古原 和邦

… Alternative Names

KOBARA Kazukuni  古原 和邦

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Researcher Number 70323649
Other IDs
  • ORCIDhttps://orcid.org/0000-0002-4854-5742
External Links
Affiliation (Current) 2025: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 総括研究主幹
Affiliation (based on the past Project Information) *help 2017: 国立研究開発法人産業技術総合研究所, .情報・人間工学領域, 総括研究主幹
2017: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 総括研究主幹
2015 – 2016: 国立研究開発法人産業技術総合研究所, 情報技術研究部門, 部門付
2000 – 2005: 東京大学, 生産技術研究所, 助手
Review Section/Research Field
Principal Investigator
情報通信工学
Except Principal Investigator
情報通信工学 / Information security
Keywords
Principal Investigator
McEliece暗号 / ゴッパ符号 / 情報セキュリティ / 選択暗号文攻撃 / 公開鍵暗号
Except Principal Investigator
計算機システム / 情報システム / 暗号・認証等 / PUF:物理複製困難関数 / サイバーエスピオナージ … More / 仮想化技術 / デバイス認証技術 / アクセス制御 / 仮想化 / コンピュータセキュリティ / Quantum Channel / Communication Distance / Unconditionally Secure / Coherent Measurement / Low-Density Parity-Check Code / Quantum Error Correcting Code / Quantum Bit Commitment / Quantum Key Distribution / 量子一方向性置換 / 量子一方向性関数 / 情報量的安全性 / 鍵圧縮法 / LDPC符号 / CSS符号 / 量子暗号 / 量子通信路 / 通信距離 / 無条件安全性 / コヒーレント観測 / 低密度パリティ検査符号 / 量子誤り訂正符号 / 量子ビットコミットメント / 量子鍵配送 / ID based / Secret sharing / Information theory / Hash function / Digital signature / Information security / Cryptography / Crypto-infrastructure / IDベース / 秘密分散 / 情報理論 / ハッシュ関数 / 電子署名 / 情報セキュリティ / 暗号 / 暗号・認証インフラ Less
  • Research Projects

    (4 results)
  • Research Products

    (43 results)
  • Co-Researchers

    (5 People)
  •  Device Management which protects cyber espionage

    • Principal Investigator
      Suzaki Kuniyasu
    • Project Period (FY)
      2015 – 2017
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Information security
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  The security of quantum key distribution using the real system and the foundation of quantum

    • Principal Investigator
      IMAI Hideki
    • Project Period (FY)
      2002 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      情報通信工学
    • Research Institution
      The University of Tokyo
  •  素因数分解および離散対数問題の難しさに頼らない公開鍵暗号方式に関する研究Principal Investigator

    • Principal Investigator
      古原 和邦
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      情報通信工学
    • Research Institution
      The University of Tokyo
  •  How to construct and manage unconditionally secure ID-based crypto-infrastructures

    • Principal Investigator
      IMAI Hideki
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      情報通信工学
    • Research Institution
      The University of Tokyo

All 2005 2004 2003 2002

All Journal Article

  • [Journal Article] Leakage-Resilient Security Architecture for Mobile IPv6 in Wireless Overlay Networks2005

    • Author(s)
      H.Fathi, S-H Shin, K.Kobara, S.Chakraborty, H.Imai, R.Plrasad
    • Journal Title

      IEEE Journal on Selected Areas in Communicaitons (J-SAC) vol. 23, no.11

      Pages: 2182-2193

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Leakage-Resilient Security Architecture for Mobile IPv6 in Wireless Overlay Networks2005

    • Author(s)
      H.Fathi, S-H Shin, K.Kobara, S.Chakraborty, H.Imai, R.Plrasad
    • Journal Title

      IEEE Journal on Selected Areas in Communications (J-SAC) vol.23,no.11

      Pages: 2182-2193

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Compact and Efficient Leakage-Resilient Authenticated Key Exchange Protocol2005

    • Author(s)
      S-H Shin, K.Kobara, H.Imai
    • Journal Title

      GESTS International Transactions on Computer Science and Engineering Vol. 19, no. 1

      Pages: 159-17

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Compact and Efficient Leakage-Resilient Authenticated Key Exchange Protocol2005

    • Author(s)
      S-H Shin, K.Kobara, H.Imai
    • Journal Title

      GESTS International Transactions on Computer Science and Engineering Vol.19,no.1

      Pages: 159-17

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Valkyrie:非静的ネットワークに適応可能な匿名通信方式2005

    • Author(s)
      山中晋爾, 古原和邦, 今井秀樹
    • Journal Title

      情報処理学会論文誌 46,8

      Pages: 2025-2035

    • NAID

      110002769791

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] 「研究成果報告書概要(欧文)」より2005

    • Author(s)
      S-H Shin, K.Kobara, H.Imai
    • Journal Title

      GESTS International Transactions on Computer Science and Engineering Vol.19,no.1

      Pages: 159-17

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] An Efficient Leakage-Resilient Authenticated Key Exchange Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the 27^th Symposium on Information Theory and Its Applications (SITA2004) Vol. IofII

      Pages: 211-214

    • NAID

      10014280492

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Privacy Enhanced RFID tags with One-Time-Recordable-Memory2004

    • Author(s)
      Dingzhe Liu, Kazukuni Kobara, Akira Ootsuka, Hideki Imai
    • Journal Title

      第27回情報理論とその応用シンポジウム予稿集 SITA2004, vol. II

      Pages: 423-426

    • NAID

      10014280907

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] An Efficient Leakage-Resilient Authenticated Key Exchange Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      In Proceedings of the 27th Symposium on Information Theory and Its Applications (SITA2004). Volume I or II

      Pages: 211-214

    • NAID

      10014280492

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] 解説論文:線形符号の復号問題に基づいた強い意味で安全な公開鍵暗号方式2004

    • Author(s)
      古原 和邦, 今井 秀樹
    • Journal Title

      信学論(A) J87-A,7

      Pages: 870-880

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Security Proof for a Leakage-Resilient Authenticated Key Establishment Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Journal of Korea Institute of Information Security & Cryptology (KIISC) Vol.14,no.4

      Pages: 75-90

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] 電子透かし技術2004

    • Author(s)
      古原和邦, 今井秀樹
    • Journal Title

      東京電気大学出版局(2004-01) 第11章 攻撃とその対策

      Pages: 167-180

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Privacy Enhanced RFID tags with One-Time-Recordable-Memory2004

    • Author(s)
      Dingzhe Liu, Kazukuni Kobara, Akira Ootsuka, Hideki Imai
    • Journal Title

      第27回情報理論とその応用シンポジウム 予稿集 SITA 2004,Vol.II

      Pages: 423-426

    • NAID

      10014280907

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] The Lower-bound of Complexity in RSA-based Password-Authenticated Key Exchange2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      In Proceedings of the Computer Security Symposium 2004 (CSS2004). IPSJ Symposium Series Vol.2004.No.11.volume.I of II

      Pages: 295-300

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Security Proof for a Leakage-Resilient Authenticated Key Establishment Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Journal of Korea Institute of Information Security & Cryptology (KIISC). vol.14.No.4

      Pages: 75-90

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] The Lower-bound of Complexity in RSA-based Password-Authenticated Key Exchange2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the Computer Security Symposium 2004 (CSS2004). IPSJ Symposium Series Vol.2004 no.11.I

      Pages: 295-300

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Privacy Enhanced RFID tags with One-Time-Recordable-Memory2004

    • Author(s)
      Dingzhe Liu, Kazukuni Kobara, Akira Ootsuka, Hideki Imai
    • Journal Title

      SITA2004 vol.II

      Pages: 423-426

    • NAID

      10014280907

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] A Lightweight Leakage-Resilient Authenticated Key Exchange Protocol for Wireless Security2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the Seventh International Symposium on WIRELESS PERSONAL MULTIMEDIA COMMUNICSTIONS WPMC 2004

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] An Efficient Leakage-Resilient Authenticated Key Exchange Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the 27th Symposium on Information Theory and Its Applications (SITA2004) Vol.I

      Pages: 211-214

    • NAID

      10014280492

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] A Lightweight Leakage-Resilient Authenticated Key Exchange Protocol for Wireless Security2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      In Proceedings of the Seventh International Symposium on WIRELESS PERSONAL MULTIMEDIA COMUNICATIONS WPMC 2004

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] The Lower-bound of Complexity in RSA-based Password-Authenticated Key Exchange2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the Computer Security Symposium 2004 (CSS2004). IPSJ Symposium Series Vol. 2004 no. 11. I

      Pages: 295-300

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] A Lightweight Leakage-Resilient Authenticated Key Exchange Protocol for Wireless Security2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Proceedings of the Seventh International Symposium on WIRELESS PERSONAL MULTIMEDIA COMMUNICATIONS. WPMC 2004 V3

      Pages: 483-487

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Security Proof for a Leakage-Resilient Authenticated Key Establishment Protocol2004

    • Author(s)
      SeongHan Shin, Kazukuni Kobara, Hideki Imai
    • Journal Title

      Journal of Korea Institute of Information Security & Cryptology (KIISC) Vol. 14. no. 4

      Pages: 75-90

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Shielding Asymmetric Cryptosystems from Decryption Failures2004

    • Author(s)
      崔洋, 古原和邦, 今井秀樹
    • Journal Title

      Proceeding of SITA 2004. Vol.1

      Pages: 215-218

    • NAID

      10014280502

    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Compact Conversion Schemes for the Probabilistic OW-PCA Primitives2003

    • Author(s)
      Y.Cui, K.Kobara, H.Imai
    • Journal Title

      Proceedings of 5th International Conference in Information and Communications Security (ICICS2003), LNCS2836

      Pages: 269-279

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Leakage-Resilient Authenticated Key Establishment Protocols2003

    • Author(s)
      SeongHan Shin, K.Kobara, H.Imai
    • Journal Title

      Proceedings of ASIACRYPT 2003 LNCS2894

      Pages: 155-172

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Sequential Key Derivation Patterns for Broadcast Encryption and Key Predistribution Schemes2003

    • Author(s)
      N.Attrapadung, K.Kobara, H.Imai
    • Journal Title

      Proceedings of ASIACRYPT2003 ASIACRYPT2003

      Pages: 374-391

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Broadcast Encryption with Short Keys and Transmissions2003

    • Author(s)
      N.Attrapadung, K.Kobara, H.Imai
    • Journal Title

      Proceedings of ACM Workshop on Digital Right Management ACM

      Pages: 55-66

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] On the one-wayness against chosen-plaintext attacks on the Loidreau's modified McEliece PKC2003

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEEE Trans.on IT vol.49,Issue 12

      Pages: 3160-3168

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] On the one-wayness against chosen-plaintext attacks on the Loidreau's modified McEliece PKC2003

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEEE Trans. on IT vol. 49, Issue 12

      Pages: 3160-3168

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Leakage-Resilient Authenticated Key Establishment Protocols2003

    • Author(s)
      SeongHan Shin, K. Kobara, H. Imai
    • Journal Title

      Proceedings of ASIACRYPT 2003 LNCS2894

      Pages: 155-172

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Compact Conversion Schemes for the Probabilistic OW-PCA Primitives2003

    • Author(s)
      Y.Cui, K.Kobara, H.Imai
    • Journal Title

      Proceedings of 5th International Conference in Information and Communications Security (ICICS2003) LNCS2836

      Pages: 269-279

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] New chosen-plaintext attacks on the one-wayness of the modified McEliece PKC proposed at Asiacrypt 20002002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      Proc. of PKC '02. LNCS 2274

      Pages: 237-251

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] OAEP++ another very simple way to fix the bug in OAEP2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      Proc. of 2002 International Symposium on Information Theory and Its Applications S6-4-5

      Pages: 563-566

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Semantically secure McEliece public-key cryptosystem2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEICE Trans E85-A,no.1

      Pages: 74-83

    • NAID

      110003209079

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-12355017
  • [Journal Article] Evaluation of OAEP Variants with IND-CCA2 Security2002

    • Author(s)
      Yang Cui, Kazukuni Kobara, Hideki Imai
    • Journal Title

      第25回情報理論とその応用シンポジウム(SITA2002)、第25回情報理論とその応用シンポジウム実行委員会、創文社 Vol. 2.

      Pages: 619-622

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Pretty-simple password-authenticated key-exchange protocol proven to be secure in the standard model2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEICE Trans. E85-A. 10.

      Pages: 2229-2237

    • NAID

      110006376551

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] PAKE vs. password-based authentications in wireless standards2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      Proc. 25th Symp.Inform. Theory and Its Applications (SITA '02 vol.1

      Pages: 243-246

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Pretty-simple password-authenticated key-exchange protocol proven to be secure in the standard model2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEICE Trans. E85-A.10

      Pages: 2229-2237

    • NAID

      110006376551

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Semantically secure McEliece public-key cryptosystem2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      IEICE Trans. vol.E85-A, no.1

      Pages: 74-83

    • NAID

      110003209079

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-12355017
  • [Journal Article] New chosen-plaintext attacks on the one-wayness of the modified McEliece PKC proposed at Asiacrypt 20002002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      Proc. Of PKC '2 LNCS 2274

      Pages: 237-251

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] PAKE vs. password-based authentications in wireless standards2002

    • Author(s)
      K.Kobara, H.Imai
    • Journal Title

      Proc. 25th Symp. Inform. Theory and Its Applications (SITA '02) Vol. 1

      Pages: 243-246

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • [Journal Article] Evaluation of OAEP Variants with IND-CCA2 Security2002

    • Author(s)
      Yang Cui, Kazukuni Kobara, Hideki Imai
    • Journal Title

      SITS2002 vol.2

      Pages: 619-622

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14205058
  • 1.  MATSUURA Kanta (00292756)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  IMAI Hideki (70017987)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 43 results
  • 3.  Suzaki Kuniyasu (50357274)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  堀 洋平 (60530368)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  SASAKI Minoru
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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