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...

Sponsored · Your Podcast. Everywhere. Effortlessly. Share. Educate. Inspire. Entertain. You do you. We'll handle the rest. →
Avatar for Kenji Saito Kenji Saito PRO
June 15, 2025
Technology
0
59

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
アカデミーキャンプ2026 冬「ウチらとヤツらのフューチャー・デザイン」DAY3 / Acadmy Camp 2026 Winter - Future Design by Us and Them DAY3
Avatar for Kenji Saito ks91
PRO
0
48
アカデミーキャンプ2026 冬「ウチらとヤツらのフューチャー・デザイン」DAY1 / Acadmy Camp 2026 Winter - Future Design by Us and Them
Avatar for Kenji Saito ks91
PRO
0
77
アカデミーキャンプ2026 冬「ウチらとヤツらのフューチャー・デザイン」DAY2 / Acadmy Camp 2026 Winter - Future Design by Us and Them DAY2
Avatar for Kenji Saito ks91
PRO
0
63
アナログAI からの逃走とメタ・ネイチャーポジティブ / Escape from Analog AI, and Meta-Nature Positive
Avatar for Kenji Saito ks91
PRO
0
33
AI 前提社会におけるトラスト / Trust in an AI-Driven Society
Avatar for Kenji Saito ks91
PRO
0
63
非営利組織の起業／発表と総括 / Starting up a Nonprofit Organization, Presentation and Summary
Avatar for Kenji Saito ks91
PRO
0
66
自己開発 / Self-Development
Avatar for Kenji Saito ks91
PRO
1
34
あなたは何によって憶えられたいですか？ / What Do You Want to be Remembered for?
Avatar for Kenji Saito ks91
PRO
0
39
ボランティアと理事会 / Volunteers and Board of Directors
Avatar for Kenji Saito ks91
PRO
0
64

Other Decks in Technology

See All in Technology
Claude Cowork Plugins を読む - Skills駆動型業務エージェント設計の実像と構造
Avatar for 西岡 賢一郎 (Kenichiro Nishioka) knishioka
0
290
Bill One 開発エンジニア 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
5
18k
ブラックボックス観測に基づくAI支援のプロトコルのリバースエンジニアリングと再現 ~AIを用いたリバースエンジニアリング~ @ SECCON 14 電脳会議 / Reverse Engineering and Reproduction of an AI-Assisted Protocol Based on Black-Box Observation @ SECCON 14 DENNO-KAIGI
Avatar for chibiegg chibiegg
0
150
型を書かないRuby開発への挑戦
Avatar for Shia riseshia
0
200
OpenClawで回す組織運営
Avatar for Kazuto Kusama jacopen
3
620
Serverless Agent Architecture on Azure / serverless-agent-on-azure
Avatar for miyake miyake
1
160
EMからVPoEを経てCTOへ：マネジメントキャリアパスにおける葛藤と成長
Avatar for KAKEHASHI kakehashi
PRO
9
1.2k
名刺メーカーDevグループ 紹介資料
Avatar for Sansan, Inc. sansan33
PRO
0
1.1k
Kiro のクレジットを使い切る！
Avatar for otanikohei otanikohei2023
0
120
生成AIの利用とセキュリティ /gen-ai-and-security
Avatar for Masayoshi Mizutani mizutani
1
1.4k
Windows ネットワークを再確認する
Avatar for Murachi Akira murachiakira
PRO
0
290
Introduction to Sansan Meishi Maker Development Engineer
Avatar for Sansan, Inc. sansan33
PRO
0
370

Featured

See All Featured
A designer walks into a library…
Avatar for Paul Jervis Heath pauljervisheath
210
24k
What's in a price? How to price your products and services
Avatar for Michael Herold michaelherold
247
13k
Building Better People: How to give real-time feedback that sticks.
Avatar for Will Jessup wjessup
370
20k
Efficient Content Optimization with Google Search Console & Apps Script
Avatar for Katarina Dahlin katarinadahlin
PRO
1
360
The SEO identity crisis: Don't let AI make you average
Avatar for Varn varn
0
400
Joys of Absence: A Defence of Solitary Play
Avatar for Sebastian Deterding codingconduct
1
300
Chasing Engaging Ingredients in Design
Avatar for Sebastian Deterding codingconduct
0
130
Practical Orchestrator
Avatar for Shlomi Noach shlominoach
191
11k
How to Build an AI Search Optimization Roadmap - Criteria and Steps to Take #SEOIRL
Avatar for Aleyda Solis aleyda
1
1.9k
Templates, Plugins, & Blocks: Oh My! Creating the theme that thinks of everything
Avatar for Michelle Schulp Hunt marktimemedia
31
2.7k
[RailsConf 2023] Rails as a piece of cake
Avatar for Vladimir Dementyev palkan
59
6.4k
SEO for Brand Visibility & Recognition
Avatar for Aleyda Solis aleyda
0
4.3k

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