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

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

Avatar for Kenji Saito Kenji Saito
PRO
June 15, 2025
Technology
0
32

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。
Avatar for Kenji Saito

Kenji Saito
PRO

June 15, 2025
Tweet

More Decks by Kenji Saito

See All by Kenji Saito
続・スマートコントラクトと分散ファイナンス / Smart Contracts and Decentralized Finance, Continued
Avatar for Kenji Saito ks91
PRO
0
16
スマートコントラクトと分散ファイナンス / Smart Contracts and Decentralized Finance
Avatar for Kenji Saito ks91
PRO
0
57
シン・ブロックチェーン / Truth of Blockchain
Avatar for Kenji Saito ks91
PRO
0
86
git と GitHub / git and GitHub
Avatar for Kenji Saito ks91
PRO
0
35
ソフトウェアの開発と保守 / Software Development and Maintenance
Avatar for Kenji Saito ks91
PRO
0
48
インターネットの特徴 / Features of the Internet
Avatar for Kenji Saito ks91
PRO
0
34
インターネットのガバナンス / Governance of the Internet
Avatar for Kenji Saito ks91
PRO
0
29
暗号学的ハッシュ関数 / Cryptographic Hash Function
Avatar for Kenji Saito ks91
PRO
0
37
デジタル署名 / Digital Signature
Avatar for Kenji Saito ks91
PRO
0
33

Other Decks in Technology

See All in Technology
Oracle Cloud Infrastructure：2025年6月度サービス・アップデート
Avatar for oracle4engineer oracle4engineer
PRO
2
310
Should Our Project Join the CNCF? (Japanese Recap)
Avatar for whywaita whywaita
PRO
0
290
Tech-Verse 2025 Keynote
Avatar for LINEヤフーTech (LY Corporation Tech) lycorptech_jp
PRO
0
1.3k
GitHub Copilot の概要
Avatar for tomokusaba tomokusaba
1
150
How Community Opened Global Doors
Avatar for hiroramos hiroramos4
PRO
1
130
Beyond Kaniko: Navigating Unprivileged Container Image Creation
Avatar for Felix Dreissig f30
0
110
Tokyo_reInforce_2025_recap_iam_access_analyzer
Avatar for h-ashisan hiashisan
0
140
asken AI勉強会(Android)
Avatar for 佐藤忠 tadashi_sato
0
140
なぜ私はいま、ここにいるのか？ #もがく中堅デザイナー #プロダクトデザイナー
Avatar for 弁護士ドットコム bengo4com
0
1.3k
低レイヤを知りたいPHPerのためのCコンパイラ作成入門 完全版 / Building a C Compiler for PHPers Who Want to Dive into Low-Level Programming - Expanded
Avatar for HASEGAWA Tomoki tomzoh
4
3.4k
解析の定理証明実践＠Lean 4
Avatar for H Segawa dec9ue
1
200
より良いプロダクトの開発を目指して - 情報を中心としたプロダクト開発 #phpcon #phpcon2025
Avatar for 弁護士ドットコム bengo4com
1
3.2k

Featured

See All Featured
Navigating Team Friction
Avatar for Lara Hogan lara
187
15k
ReactJS: Keep Simple. Everything can be a component!
Avatar for Pedro Nauck pedronauck
667
120k
A Tale of Four Properties
Avatar for Chris Coyier chriscoyier
160
23k
The Cost Of JavaScript in 2023
Avatar for Addy Osmani addyosmani
51
8.5k
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
29
1.8k
Optimising Largest Contentful Paint
Avatar for Harry Roberts csswizardry
37
3.3k
Unsuck your backbone
Avatar for Amy Palamountain ammeep
671
58k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
54
11k
Dealing with People You Can't Stand - Big Design 2015
Avatar for Cassini Nazir cassininazir
367
26k
Git: the NoSQL Database
Avatar for Brandon Keepers bkeepers
PRO
430
65k
Put a Button on it: Removing Barriers to Going Fast.
Avatar for kastner kastner
60
3.9k
Into the Great Unknown - MozCon
Avatar for Noah Learner thekraken
39
1.9k

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