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Yamashita Kyousuke  山下 恭佑

ORCIDConnect your ORCID iD *help
Researcher Number 90935743
Other IDs
Affiliation (Current) 2025: 大阪大学, 大学院情報科学研究科, 助教
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, 産総研特別研究員
Affiliation (based on the past Project Information) *help 2023 – 2025: 大阪大学, 大学院情報科学研究科, 助教
Review Section/Research Field
Principal Investigator
Basic Section 60070:Information security-related
Except Principal Investigator
Medium-sized Section 60:Information science, computer engineering, and related fields
Keywords
Principal Investigator
暗号理論 / ブラックボックス帰着 / ゼロ知識証明
Except Principal Investigator
高機能暗号 / 視覚暗号 / 物理暗号 / 分布置き換え定理 / Renyi優位性 / ビットセキュリティ / 計算理論 / 情報理論 / 暗号理論 / セキュリティ定量化
  • Research Projects

    (3 results)
  • Research Products

    (7 results)
  • Co-Researchers

    (14 People)
  •  Foundations of Security Quantification by Integrating Information, Computation, and Cryptography Theories

    • Principal Investigator
      安永 憲司
    • Project Period (FY)
      2023 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 60:Information science, computer engineering, and related fields
    • Research Institution
      Institute of Science Tokyo
  •  真に高機能暗号の社会展開に資する物理・視覚暗号

    • Principal Investigator
      花岡 悟一郎
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 60:Information science, computer engineering, and related fields
    • Research Institution
      National Institute of Advanced Industrial Science and Technology
  •  非対話ゼロ知識証明の言語拡張可能性に関する研究Principal Investigator

    • Principal Investigator
      山下 恭佑
    • Project Period (FY)
      2023 – 2025
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 60070:Information security-related
    • Research Institution
      Osaka University

All 2024 2023

All Journal Article Presentation

  • [Journal Article] On the Black-Box impossibility of multi-designated verifiers signature schemes from ring signature schemes2024

    • Author(s)
      Yamashita Kyosuke、Hara Keisuke
    • Journal Title

      Journal of Mathematical Cryptology

      Volume: 18 Issue: 1

    • DOI

      10.1515/jmc-2023-0028

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23H00468
  • [Journal Article] REN-A.I.: A Video Game for AI Security Education Leveraging Episodic Memory2024

    • Author(s)
      Arai Mine、Tejima Koki、Yamada Yuya、Miura Takayuki、Yamashita Kyosuke、Kado Chihiro、Shimizu Rei、Tatsumi Masataka、Yanai Naoto、Hanaoka Goichiro
    • Journal Title

      IEEE Access

      Volume: 12 Pages: 47359-47372

    • DOI

      10.1109/access.2024.3377699

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23H00479
  • [Journal Article] Rational Broadcast Protocols Against Timid Adversaries2023

    • Author(s)
      Yamashita Keigo、Yasunaga Kenji
    • Journal Title

      GameSec 2023

      Volume: - Pages: 277-293

    • DOI

      10.1007/978-3-031-50670-3_14

    • ISBN
      9783031506697, 9783031506703
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-23H00468
  • [Presentation] 非専門家との検索可能暗号の説明資料の作成とユーザ調査2023

    • Author(s)
      浅沼 秀俊, 桑形 愛, 長根 貴之 , 山下 恭佑, 矢内 直人, 花岡 悟一郎
    • Organizer
      コンピュータセキュリティシンポジウム (CSS) 2023コンピュータセキュリティシンポジウム (CSS) 2023
    • Data Source
      KAKENHI-PROJECT-23H00479
  • [Presentation] On the Black-Box Impossibility of Multi-Designated Verifiers Signature Schemes from Ring Signature Schemes2023

    • Author(s)
      Kyosuke Yamashita, Keisuke Hara
    • Organizer
      Collectio Ciphrarum - Proceedings of cryptographic conferences and workshops 2023 (CIFRIS 2023)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23H00468
  • [Presentation] Rational Broadcast Protocols Against Timid Adversaries2023

    • Author(s)
      Yamashita Keigo、Yasunaga Kenji
    • Organizer
      GameSec 2023
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-23H00468
  • [Presentation] リング署名から複数検証者指定署名のブラックボックス構成不可能性2023

    • Author(s)
      山下 恭佑, 原 啓祐
    • Organizer
      CSS2023
    • Data Source
      KAKENHI-PROJECT-23H00468
  • 1.  岩本 貢 (50377016)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 2.  安永 憲司 (50510004)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 3.  河内 亮周 (00397035)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  齋藤 翔太 (60822145)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 5.  渡辺 峻 (70546910)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 6.  花岡 悟一郎 (30415731)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 7.  品川 和雅 (20896089)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  宮原 大輝 (20928288)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  Attrapadung Nuttapong (40515300)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  渡邉 洋平 (40792263)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  松田 隆宏 (60709492)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  水木 敬明 (90323089)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  宮本 賢伍 (90845801)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  矢内 直人 (30737896)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results

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