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Bc. Oldřich Faldík Bc. Tomáš Pavlacký Bc. Ondřej Matulík 24. 3. 2014 Tor – anonymity online.

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Presentation on theme: "Bc. Oldřich Faldík Bc. Tomáš Pavlacký Bc. Ondřej Matulík 24. 3. 2014 Tor – anonymity online."— Presentation transcript:

1 Bc. Oldřich Faldík Bc. Tomáš Pavlacký Bc. Ondřej Matulík 24. 3. 2014 Tor – anonymity online

2 STEPS: 1. identify sender and recipient 2. get list of available nodes 3. create a circuit to recipient 4. determine exit node to interconnects Tor network and external internet domains Principles of route formation

3 Data Encryption

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8 Encryption Methods Communication node – node and client – node: TLS (Transport Layer Security) Neighbour routers in chain (data path): AES-128-CTR (AES with a 128 bit key in counter mode)

9 Pros x cons Pros: completely free encrypts all traffic Cons: configuration is not trivial perfomance is unpredictable not suitable for p2p applications

10 Thank you for your time


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