CryptoParty April 2013 - Tor

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

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?
9. Vidalia
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
18. Socks
19. What can you do?
20. Relays
21. Bridges
22. Limitations
23. Bonus: Hidden Services