Questions tagged [encryption]

This tag is to be used for questions about the encryption of Tor traffic or questions about encrypted data related to Tor.

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4
votes
1answer
439 views

Where along the path is encryption used?

This question is born out of two questions that I saw coming up. Is the connection between my computer and the Tor network encrypted? How does Tor encrypt my traffic before it sends it to the server?...
10
votes
1answer
1k views

How is data sent back from exit node to me?

I understand how the client sends the data through Tor to the sever. Onion routing Basically, it selects a set of nodes to form a circuit, say nodeA nodeB nodeC. It then encrypts the data this way: ...
5
votes
2answers
8k views

How does Tor obfs4 protocol and PTs work?

Could someone explain how have many countries and corporations managed to differentiate tor traffic from normal traffic, and how exactly the obfs4 protocol (Or any other Pluggable transports) help ...
10
votes
1answer
730 views

Do all relays in a circuit encrypt data response from a server?

I know that when sending data from the Tor client to a server it is encrypted and gradually get decrypted on the way there. This question is about when the server responds. The data must be encrypted ...
8
votes
1answer
7k views

What encryption algorithms does Tor use?

I am building an application that will be connected over tor, using onion services. I just realized that the file generated by Tor that contains the private key of the hidden site is only RSA 1024bits....
5
votes
2answers
351 views

Does Tor encrypt a client's connection to its entry node?

Does Tor encrypt a client's connection to its entry node? How does it do this?