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デジタル署名 / Digital Signature
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Kenji Saito
PRO
June 14, 2025
Technology
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デジタル署名 / Digital Signature
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8回で使用したスライドです。
Kenji Saito
PRO
June 14, 2025
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アカデミーキャンプ 2026秋「位置ゲーに秀でよ!ウチらとヤツらのゲーム・デザイン」DAY 1 / Academy Camp 2026 Fall - Excel at Location-Based Games! Our and Their Game Design DAY 1
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Transcript
Generated by Stable Diffusion 3.5 — 2025 8 (WBS) —
2025 8 — 2025-06 – p.1/9
https://speakerdeck.com/ks91/collections/fintech-2025-summer — 2025 8 — 2025-06 – p.2/9
( 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 8 — 2025-06 – p.3/9
— 2025 8 — 2025-06 – p.4/9
(RSA ) RSA (RSA : Rivest, Shamir, Adleman) . .
. . . . ECDSA ( DSA : Digital Signature Algorithm) - — 2025 8 — 2025-06 – p.5/9
( ) < , > ← ( ) ← :
< , > : : < , , > : OK ( 1 ) NG ( ) — 2025 8 — 2025-06 – p.6/9
( ) ← CA (Certificate Authority; ) — 2025 8
— 2025-06 – p.7/9
CA ( ) . . . 1. 2. ( )
3. (↑) ↑ — 2025 8 — 2025-06 – p.8/9
— 2025 8 — 2025-06 – p.9/9