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デジタル署名 / Digital Signatures

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
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June 15, 2024
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デジタル署名 / Digital Signatures

早稲田大学大学院経営管理研究科「サイバーセキュリティ」2024 夏のオンデマンド教材 第8回で使用したスライドです。

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Kenji Saito PRO

June 15, 2024
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Transcript

  1. Hardening for cyber security — generated by Stable Diffusion XL

    v1.0 2024 8 (WBS) 2024 8 — 2024-06 – p.1/9

  2. https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 8 — 2024-06 – p.2/9

  3. ( 20 ) 1 • 2 • 3 • 4

    (TCP/IP ) • 5 • 6 • 7 • 8 • 9 10 World Wide Web 11 Web API 12 13 git GitHub 14 (6/24 ) / (2 ) OK / 2024 8 — 2024-06 – p.3/9

  4. 2024 8 — 2024-06 – p.4/9

  5. (RSA ) RSA (RSA : Rivest, Shamir, Adleman) . .

    . . . . ECDSA ( DSA : Digital Signature Algorithm) - 2024 8 — 2024-06 – p.5/9

  6. ( ) < , > ← ( ) ← :

    < , > : : < , , > : OK ( 1 ) NG ( ) 2024 8 — 2024-06 – p.6/9

  7. ( ) ← CA (Certificate Authority; ) 2024 8 —

    2024-06 – p.7/9

  8. CA ( ) . . . 1. 2. ( )

    3. (↑) 2024 8 — 2024-06 – p.8/9

  9. 2024 8 — 2024-06 – p.9/9