Upgrade to Pro — share decks privately, control downloads, hide ads and more …

デジタル署名 / Digital Signatures

Sponsored · SiteGround - Reliable hosting with speed, security, and support you can count on. →
Avatar for Kenji Saito Kenji Saito PRO
June 15, 2024
Technology
110
0

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。

Avatar for Kenji Saito

Kenji Saito PRO

June 15, 2024

More Decks by Kenji Saito

See All by Kenji Saito
発表と総括 / Presentations and Summary
Avatar for Kenji Saito ks91
PRO
0
45
インシデントレスポンス演習II / Incident Response Exercise II
Avatar for Kenji Saito ks91
PRO
0
58
脱金融のフューチャー・デザイン / Future Design Beyond Finance
Avatar for Kenji Saito ks91
PRO
0
150
戦略と安全保障 / Strategy and Security
Avatar for Kenji Saito ks91
PRO
0
96
ローカル LLM とコンピューティングの脱領土化 / Local LLMs and Deterritorialization of Computing
Avatar for Kenji Saito ks91
PRO
0
23
サイバー戦の現在と未来 / The Present and Future of Cyber Warfare
Avatar for Kenji Saito ks91
PRO
0
80
金融の未来を考える / Thinking About the Future of Finance
Avatar for Kenji Saito ks91
PRO
0
180
AI Agentification: Current State and the Changes Ahead
Avatar for Kenji Saito ks91
PRO
0
51
サイバー攻撃・防御とサイバー法 / Cyber Attacks, Defense, and Cyber Law
Avatar for Kenji Saito ks91
PRO
0
110

Other Decks in Technology

See All in Technology
型は壁、Rustでもバグを直すな、表現できなくせよ
Avatar for nwiizo nwiizo
14
2.1k
Data + AI Summit 2026 イベントレポート： 「AIがビジネスで意思決定するデータ基盤」へ
Avatar for KJ(Kenji Matsuda) nek0128
0
190
個人開発で育てる「大規模設計の苗床」 - AI時代の1人開発から始める業務への知識接続 / The Seedbed for Large-Scale Design - From AI-Era Solo Projects to Professional Knowledge
Avatar for 株式会社ビットキー / Bitkey Inc. bitkey
PRO
1
270
公式ドキュメントの歩き方etc
Avatar for あべ coco_se
0
110
AI Driven AI Governance
Avatar for Yutaka Hiroyama pict3
0
460
「早く出す」より「事業に効く」 ── 顧客の業務サイクルから逆算するAI時代の二重ループ開発と「変化の設計者」 / devsumi2026
Avatar for Rakus_Dev rakus_dev
1
270
アカウントが増えてからでは遅い? ~ マルチアカウント統制の勘所 ~
Avatar for KenichiNakamura kenichinakamura
0
240
SoccerMaster: A Vision Foundation Model for Soccer Understanding
Avatar for Kazuyuki Miyazawa kzykmyzw
0
110
Kaggleで成長するために意識したこと
Avatar for Chikuwabu prgckwb
2
380
インフラと開発の垣根を超えていき！〜元AWSインフラエンジニアがAWS開発で奮闘している話〜
Avatar for da-hatakeyama hatahata021
3
260
AI Agent SaaS を支える自社仮想化基盤への挑戦と実運用 / ai-agent-saas-virtualization
Avatar for GMO Flatt Security flatt_security
3
4k
AmplifyHostingConstructからSSRフレームワークのためのホスティング設計を考察する/amplify-hosting-construct
Avatar for MURAKAMI Masahiko fossamagna
1
120

Featured

See All Featured
Leadership Guide Workshop - DevTernity 2021
Avatar for David Neal reverentgeek
1
320
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
666
130k
How to train your dragon (web standard)
Avatar for Monica Dinculescu notwaldorf
97
6.7k
The innovator’s Mindset - 
Leading Through an Era of Exponential Change - McGill University 2025
Avatar for Jean-Marc De Jonghe jdejongh
PRO
1
220
The Art of Programming - Codeland 2020
Avatar for Erika Heidi erikaheidi
57
14k
Fight the Zombie Pattern Library - RWD Summit 2016
Avatar for Marcelo Somers marcelosomers
234
17k
svc-hook: hooking system calls on ARM64 by binary rewriting
Avatar for Akira Moroo retrage
2
330
The Spectacular Lies of Maps
Avatar for Per Axbom axbom
PRO
1
860
Large-scale JavaScript Application Architecture
Avatar for Addy Osmani addyosmani
515
110k
Building Applications with DynamoDB
Avatar for Matt Wood mza
96
7.1k
Between Models and Reality
Avatar for mayunak mayunak
4
370
Neural Spatial Audio Processing for Sound Field Analysis and Control
Avatar for NII S. Koyama's Lab skoyamalab
0
370

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