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
78
Messaging in Times of Surveillance
Avatar for Frederic Jacobs fredericjacobs
0
86
(Open Source) Software Supply Chain Security
Avatar for Frederic Jacobs fredericjacobs
0
4.4k
Secure messaging - Hack.lu 2015
Avatar for Frederic Jacobs fredericjacobs
0
120
Lattice Cryptography: the Jacobi reduction algorithm
Avatar for Frederic Jacobs fredericjacobs
0
420
Usable Cryptography
Avatar for Frederic Jacobs fredericjacobs
0
130
Axolotl, an asynchronous cryptographic protocol with perfect forward secrecy for long-lived sessions
Avatar for Frederic Jacobs fredericjacobs
0
540
RubyMotion - Geneva.rb
Avatar for Frederic Jacobs fredericjacobs
4
470

Other Decks in Technology

See All in Technology
Why React!?? Next.jsそしてReactを改めてイチから選ぶ
Avatar for ypresto ypresto
10
4.4k
Flaky Testへの現実解をGoのプロポーザルから考える | Go Conference 2025
Avatar for upamune / Yu SERIZAWA upamune
1
420
pprof vs runtime/trace (FlightRecorder)
Avatar for task4233 task4233
0
160
DataOpsNight#8_Terragruntを用いたスケーラブルなSnowflakeインフラ管理
Avatar for Hiroki Yamagishi roki18d
1
340
AIが書いたコードをAIが検証する！自律的なモバイルアプリ開発の実現
Avatar for henteko henteko
1
340
M5製品で作るポン置きセルラー対応カメラ
Avatar for Hisaya OKADA sayacom
0
140
Oracle Cloud Infrastructure：2025年9月度サービス・アップデート
Avatar for oracle4engineer oracle4engineer
PRO
0
390
Where will it converge?
Avatar for Ibukun Adedeji ibknadedeji
0
180
SREとソフトウェア開発者の合同チームはどのようにS3のコストを削減したか？
Avatar for Masahiro Yoshizawa muziyoshiz
1
100
動画データのポテンシャルを引き出す！ Databricks と AI活用への奮闘記（現在進行形）
Avatar for Databricks Japan databricksjapan
0
140
AI駆動開発を推進するためにサービス開発チームで 取り組んでいること
Avatar for おーしろ noayaoshiro
0
150
20250929_QaaS_vol20
Avatar for Shin Murakami mura_shin
0
110

Featured

See All Featured
Making Projects Easy
Avatar for Brett Harned brettharned
119
6.4k
The Art of Delivering Value - GDevCon NA Keynote
Avatar for David Neal reverentgeek
15
1.7k
Making the Leap to Tech Lead
Avatar for Ryan Cromwell cromwellryan
135
9.5k
A Tale of Four Properties
Avatar for Chris Coyier chriscoyier
160
23k
Measuring & Analyzing Core Web Vitals
Avatar for Philip Tellis bluesmoon
9
610
Design and Strategy: How to Deal with People Who Don’t "Get" Design
Avatar for Morgane Peng morganepeng
132
19k
Designing Dashboards & Data Visualisations in Web Apps
Avatar for Des Traynor destraynor
231
53k
4 Signs Your Business is Dying
Avatar for Josh Pigford shpigford
185
22k
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
Avatar for Irina Nazarova irinanazarova
9
960
10 Git Anti Patterns You Should be Aware of
Avatar for Lemi Orhan Ergin lemiorhan
PRO
657
61k
Helping Users Find Their Own Way: Creating Modern Search Experiences
Avatar for Dan Newman danielanewman
30
2.9k
Fantastic passwords and where to find them - at NoRuKo
Avatar for Phil Nash philnash
52
3.4k

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