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パスワード／パスフレーズと認証 / Password, Passphrase and Auth...

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Avatar for Kenji Saito Kenji Saito PRO
June 15, 2025
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パスワード／パスフレーズと認証 / Password, Passphrase and Authentication

早稲田大学大学院経営管理研究科「フィンテック ─ 金融革新とインターネット」2025 夏のオンデマンド教材 第12回で使用したスライドです。

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Kenji Saito PRO

June 15, 2025
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Transcript

  1. Generated by Stable Diffusion 3.5 — 2025 12 (WBS) —

    2025 12 — 2025-06 – p.1/10

  2. https://speakerdeck.com/ks91/collections/fintech-2025-summer — 2025 12 — 2025-06 – p.2/10

  3. ( 20 ) 1 ↑ • 2 ↓ 2025 •

    3 • 4 (TCP/IP ) • 5 • 6 • 7 • 8 ↑ • 9 ↓ 2024 ( ) • 10 World Wide Web • 11 Web API • 12 * • 13 git GitHub 14 (6/23 ) / (2 ) OK / — 2025 12 — 2025-06 – p.3/10

  4. ← — 2025 12 — 2025-06 – p.4/10

  5. ( ) (1) : ( ) ( ) (2) :

    ( ) ( ) (passkey) ( ) ( ) — 2025 12 — 2025-06 – p.5/10

  6. → ( : “Correct Horse Battery Staple”) ↑ ( )

    ( ) — 2025 12 — 2025-06 – p.6/10

  7. . . . ( 2018 3 ) 1 ( )

    ( ) — 2025 12 — 2025-06 – p.7/10

  8. 3 2 ( ) (2 ) . . . .

    . . . . . (1) : (2) : (3) : (4) : IC ( ) (2 ) . . . ( ) — 2025 12 — 2025-06 – p.8/10

  9. https://security-portal.nisc.go.jp/guidance/handbook.html ← & weakest link https://security-portal.nisc.go.jp/index.html — 2025 12 —

    2025-06 – p.9/10

  10. — 2025 12 — 2025-06 – p.10/10