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

CryptoParty April 2013 - Tor

Avatar for Frederic Jacobs Frederic Jacobs
April 19, 2013
Technology
0
130

CryptoParty April 2013 - Tor

Slides for a talk about Tor to be given at a CryptoParty. Keynote download link: http://cl.ly/OQSS

Avatar for Frederic Jacobs

Frederic Jacobs

April 19, 2013
Tweet

More Decks by Frederic Jacobs

See All by Frederic Jacobs
Building Trust in Digital Identities
Avatar for Frederic Jacobs fredericjacobs
0
82
Messaging in Times of Surveillance
Avatar for Frederic Jacobs fredericjacobs
0
90
(Open Source) Software Supply Chain Security
Avatar for Frederic Jacobs fredericjacobs
0
4.5k
Secure messaging - Hack.lu 2015
Avatar for Frederic Jacobs fredericjacobs
0
120
Lattice Cryptography: the Jacobi reduction algorithm
Avatar for Frederic Jacobs fredericjacobs
0
430
Usable Cryptography
Avatar for Frederic Jacobs fredericjacobs
0
140
Axolotl, an asynchronous cryptographic protocol with perfect forward secrecy for long-lived sessions
Avatar for Frederic Jacobs fredericjacobs
0
550
RubyMotion - Geneva.rb
Avatar for Frederic Jacobs fredericjacobs
4
470

Other Decks in Technology

See All in Technology
SMTP完全に理解した ✉️
Avatar for yamatai12 yamatai1212
0
120
BiDiってなんだ？
Avatar for Tomoki Yamashita tomorrowkey
2
510
AWS Devops Agent ~ 自動調査とSlack統合をやってみた！ ~
Avatar for Kubo kubomasataka
2
270
今日から始める Amazon Bedrock AgentCore
Avatar for Har1101 har1101
3
160
サイボウズ 開発本部採用ピッチ / Cybozu Engineer Recruit
Avatar for Cybozu cybozuinsideout
PRO
10
72k
あたらしい上流工程の形。 0日導入からはじめるAI駆動PM
Avatar for 熊井悠 kumaiu
3
520
クレジットカード決済基盤を支えるSRE - 厳格な監査とSRE運用の両立 (SRE Kaigi 2026)
Avatar for capytan capytan
1
150
制約が導く迷わない設計 〜 信頼性と運用性を両立するマイナンバー管理システムの実践 〜
Avatar for ないとー bwkw
1
170
エンジニアとマネジメントの距離/Engineering and Management
Avatar for 小田中育生 ikuodanaka
3
680
EventBridge API Destination × AgentCore Runtimeで実現するLambdaレスなイベント駆動エージェント
Avatar for Har1101 har1101
7
280
ドキュメントからはじめる未来のソフトウェア
Avatar for PKSHA Technology pkshadeck
4
2.1k
Claude Codeベストプラクティスまとめ
Avatar for みのるん minorun365
53
30k

Featured

See All Featured
Practical Tips for Bootstrapping Information Extraction Pipelines
Avatar for Matthew Honnibal honnibal
25
1.7k
Have SEOs Ruined the Internet? - User Awareness of SEO in 2025
Avatar for Akash Hashmi akashhashmi
0
260
Understanding Cognitive Biases in Performance Measurement
Avatar for Philip Tellis bluesmoon
32
2.8k
The Hidden Cost of Media on the Web [PixelPalooza 2025]
Avatar for Tammy Everts tammyeverts
2
150
Navigating Team Friction
Avatar for Lara Hogan lara
192
16k
Product Roadmaps are Hard
Avatar for C. Todd Lombardo iamctodd
PRO
55
12k
What does AI have to do with Human Rights?
Avatar for Per Axbom axbom
PRO
0
2k
Deep Space Network (abreviated)
Avatar for Tony Rice tonyrice
0
37
コードの90%をAIが書く世界で何が待っているのか / What awaits us in a world where 90% of the code is written by AI
Avatar for r-kagaya rkaga
59
42k
The Curse of the Amulet
Avatar for Matthew Lei leimatthew05
1
7.9k
How Fast Is Fast Enough? [PerfNow 2025]
Avatar for Tammy Everts tammyeverts
3
440
Cheating the UX When There Is Nothing More to Optimize - PixelPioneers
Avatar for Stéphanie Walter stephaniewalter
287
14k

Transcript

  1. anonymized web browsing

  2. What is anonymization?

  3. Routing

  4. The Standard Approach Alice Bob

  5. The VPN Approach Alice Bob

  6. The Tor Approach Alice Bob The Tor Network

  7. How to use?

  8. None

  9. Vidalia

  10. None

  11. Onion Routing

  12. Initialization : Exchange of session keys over TLS

  13. Route Initialization E N C R Y P T I

    O N Data Data AES(data, exit node session key) AES(data, relay2 session key) AES(data, relay 1 session key) Address Relay 2 Address Exit Node
  14. None
  15. None
  16. None
  17. None

  18. Socks

  19. What can you do?

  20. Relays

  21. Bridges

  22. Limitations

  23. Bonus: Hidden Services