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Questions tagged [encryption]

The tag has no usage guidance.

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Differences between Onion Routing (Public Key) and Tor-Circuit (Session Key)

I have a hard time understanding how a message is transmitted, when the Public Keys are used and when the Session Keys. Tor Client connects to a directory server to get a list of active relays & ...
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Is Mix-Kaskading based on the Onion-Routing?

[Note: I'm no native english speaker] 1981 David Chaum first introduced Mix-Networks. 1995 Tor began its life as a research project in the Naval Research Laboratory (NRL), where 1996 three ...
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1answer
30 views

Have global adversaries ever been able to decrypt hard drives storing .onion material encrypted by Veracrypt?

I'm planning on encrypting my entire HDD - which includes Tor .onion service content - using Veracrypt, the latest in encryption technology. Has Veracrypt been known to successfully encrypt .onion ...
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Tor symmetric encryption history

Sorry if this was answered elsewhere, but I would like to know what type of AES encryption is used for data passed in a stream, and when it changed. Based on this https://gitweb.torproject.org/...
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Emailing anonymously

I’m trying to understand how I can find the programs to email anonymously. I have tor and vpn hider, I’m still trying to figure out how to use tor. I’ve looked for mixmaster but I can’t find it. Where ...
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3answers
70 views

ultimate encryption and protection of sensitive data

I have many sensitive documentation which I am scared to lose or get somebody accessed. My question would be what is the ultimate encryption protection? I have read lot of articles saying that for ...
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140 views

Tor Browser won't load http sites

I've recently downloaded Tor Browser and it seems I'm only able to access HTTPS sites. This is problematic because the majority of the .onion sites that I'm trying to access are HTTP. When I try and ...
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1answer
25 views

Rekeying a Tor circuit

Is it possible to rekey a connection between a Tor client and a relay? By rekey I mean perform the usual x25519 key exchange to change the session key on the fly, without tearing the circuit down.
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Questions about Tor Directory Authority / Hosting .Onion / Relays Encryption / Keys

So I have tried to find this information and have read abit on here and the internet but keep finding different answers. When opening Tor it will connect to the Tor Directory Authority - I have read ...
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1answer
155 views

Security: Can an exit node be set up with an encrypted connection to the service?

So far it seems that all exit note-to-server connections are communicated in plaintext. Is there a way to add something to a Linux or Windows server so that very last hop is encrypted? Or ...
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0answers
263 views

Me->VPN->Tor->Socks5->Tor: Where would a honeypot do the most damage?

Since most vpn's are untrustworthy, and Tor exit nodes can be hosted by malicious entities, im trying to create a trustless chain of anonymization and encryption. I feel as there might be flaws in my ...
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1answer
140 views

typical way to run tails virtualized on ubuntu?

To run on Ubuntu just use KVM to run tails? If you are a bit lazy like me, the idea to reboot your system seems inconvenient. But with the help of QEMU there is an easy to use alternative ...
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2answers
202 views

Tor encryption combination

I'm trying to understand exactly how Tor builds a circuit with encryption. I've read the Tor design literature and have a pretty good grasp on it, however I'm left with the following misunderstanding. ...
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2answers
2k views

HTTPS Everywhere and Tor

I don't see an option to install the HTTPS Everywhere add-on on the Tor Browser. Is the HTTPS not needed on the Tor Browser? Does Tor encrypt one's data like the HTTPS Everywhere add-on? I'm new to ...
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0answers
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tor browser stuck on establishing an encrypted directory connection [duplicate]

i'm trying to connect to tor browser with all my might with my college PC to get some E-books but it's stuck at tor browser stuck on establishing an encrypted directory connection i've tried to use ...
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0answers
28 views

I seem to be blocked, despite custom bridges. How can I get around this error? [duplicate]

3/29/2017 11:51:07 AM.600 [NOTICE] DisableNetwork is set. Tor will not make or accept non-control network connections. Shutting down all existing connections. 3/29/2017 11:51:07 AM.600 [NOTICE] ...
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2answers
105 views

Does all bridge users have the same encryption key?

When I connect to a bridge is my encryption key the same as the encryption key for all other users to the same bridge or does the encryption key differ from one user to another for that same bridge? ...
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3answers
199 views

Can the tor initial client to relay or bridge connection be MITM attacked?

I am not an expert in Wireshark but I was looking at some packets through Wireshark. I noticed that when using a relay that the connection to the directory authority the first few TCP packets such as ...
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1answer
176 views

Tor's encryption confusion and client to first node encryption

From what I've read the onion routing process goes like this: The client encrypts its traffic to the destination server and sends it to the first node (encrypted); The fird node encrypts it again and ...
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1answer
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Encryption by EFS

I have the Tor folder in Desktop of Windows 10. If I created another folder, encrypt it by EFS and put the Tor folder inside of it, do I gain any advantage for security? I suppose temporary files ...
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1answer
248 views

Why does Tor only work on TCP?

Is it because of the nature of it's encryption protocol? I'm assuming there are other reasons as well, but I have not been able to find any information about it.
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0answers
369 views

What are all these open ports in tails?

When using netstat I see there are some ports open in tails port 80 ( HTTP), port 443 (HTTPS), port 9101 (bacula-dir). Does this mean that port 80 is unencrypted data and port HTTPS is encrypted data....
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1answer
291 views

Is there any vulnerabilities when using socks with tails?

In the tor manual under socks port it states “The SOCKS protocol is unencrypted and (as we use it) unauthenticated” Does the socks protocol used in the loop back interface only or does the Socks ...
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2answers
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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 ...
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1answer
118 views

Tor and encryption [duplicate]

Tor [network] encrypts data itself? Or does it only Tor Browser Bundle? For example, if I use an external client to connect to the Tor network and direct all traffic over Tor and use a different ...
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2answers
207 views

Why do Tor hidden service operators bother with SSL/TLS encryption?

Tor hidden services have an asymmetric key pair. That seems like it ought to do the job of authenticating the server and securing the connection to the client. When Tor clients reach out to normal ...
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1answer
263 views

Are all tor exit nodes known?

A normal tor chain is like this : Client -> Tor Node -> Tor Node -> Tor Exit Node -> Server Is it possible to have this schema ( two chains ) : Client -> Tor Node -> Tor Node ->...
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1answer
577 views

Tor Encryption Standards

I'm looking for up-to-date information on Tor encryption standards, and I can't seem to find anything newer than 2013. What encryption algorithms does Tor use? What is the reasoning behind keeping ...
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2answers
570 views

Sniff Tor onions address from a relay

Currently working on a Tor study, I would have a question regarding the tor hidden services. I read lot of technicals papers to better understand the tor working on this point, like these good ...
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1answer
4k 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....
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1answer
74 views

TOR and Orbot, possibility to add in dynamic AES encryption structure before data is send out?

I read on the documentation about the security issues on TOR, that it is ok if the website is running on HTTPS, but how about on Orbot and site that is not running on HTTPS? Even if it is running on ...
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0answers
95 views

VPN Router + Tor and 2nd VPN Local Machine Clarifications

Hello my question is I have my router configured to connect through a vpn (VPN A). Thus all Internet traffic on my network goes through a vpn. If I run tor on a local machine with a 2nd vpn (VPN B), ...
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1answer
185 views

How do I encrypt document via right-click menu in Tails?

I don't understand the procedure here. There are some options to choose from to encrypt the file, but then I can't decrypt it because I don't have the password. How do I create a password before I ...
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2answers
529 views

How does data go through Tor

I know how Tor works (mostly) but I want to know how data returns through Tor to the user. Example: I send a message from me (Bob) to my friend (Rob) and it goes to, let's say, 3 relays. Now, when I ...
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3answers
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Do all .onion addresses use SSL/TLS?

Do .onion sites encrypt the information going through the exit node? Because a lot of them start with HTTP and not HTTPS.
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2answers
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Why Tor node maintains TLS keys with every other Tor node?

I read that Tor proxy maintains key with each Tor node for encryption. Then, why does a Tor node maintains TLS keys with other Tor nodes?
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1answer
57 views

Are get variables encrypted when using Tor?

I'm relatively new to Tor and I was wondering if get variables in the address bar are visible to anyone other than the client and the server. Example: randomaddress.onion/login.php?a=47 Would ...
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1answer
745 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: ...
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3answers
193 views

Is all traffic routed through Tor when using TBB?

Consider a computer connected to the Tor network through the Tor Browser Bundle: my question is does the whole internet traffic go through the Tor network like windows update, kaspersky update, vlc ...
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2answers
266 views

Does Tor team have plans to implement post-quantum asymmetrical encryption schemes?

There is information that NSA is building quantum computer. Since it would make it possible to crack RSA using Shor's algorithm and we unlikely to know if they will successfully build it and start ...
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1answer
647 views

Using Tor Proxy through other aplications

Before I proceed, I would like to mention that I understand that Tor browser integrates unique features such as not loading certain html canvases, scripts and a whole bunch of additions to make ...
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1answer
35 views

Visiblity of data in my network (Encrypted Tunnels)

My question is whether data about my addressed websites and me are visible/unencrypted within my network. E.g. I want to access 'https://ixquick.com/' using the Tor browser. Is the request for ixquick ...
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2answers
257 views

Tor/Tails Exit Node Connection Encryption

If I use a firewall (IPcop) to allow only HTTPS (443) traffic from the LAN/Tails box/Green NIC, and block all other protocols/traffic, is all traffic from the Exit Node guaranteed to be encrypted? ...
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1answer
1k views

Multi-VPN hopping Advantages/Disadvantages over Tor

I was told that using Tor and/or a VPN is always a tradeoff of privacy and anonymity. I'm wonder what combination of Tor, VPNs (paid or free), and proxies can help minimize this risk. For example, if ...
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1answer
3k views

How to completely delete every single trace of Tor from Windows 7 Truecrypt folder

I recently made a Truecrypt AES encrypted folder and installed the Tor Browser Bundle into it. I was wondering - if I delete the Truecrypt file, is there anything else left on my computer pointing to ...
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2answers
254 views

Encrypt traffic between my onion site and exit relays

Is it possible to encrypt all traffic between the last relay and my hidden service site? (I have tried to use an ssl certificate and configure tor like that: HiddenServicePort 443 127.0.0.1:443 but it ...
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0answers
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When Forward Secrecy ciphers are used, the Torproject website uses 1024 bit key exchange; Can this be improved? [closed]

While the website of Torproject uses a 2048 bit certificate, if Forward Secrecy ciphers are used, the key exchange is only 1024 bit: https://www.ssllabs.com/ssltest/analyze.html?d=torproject.org EDIT:...
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1answer
318 views

Does exit node encrypt three times for the return path to local machine?

I'm new to Tor, So I read the Short User Manual here I found this image in the link above, I understand Tor on my local machine encrypts everything thrice, what about the return path? Does the exit ...
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1answer
466 views

Is it illegal to use Tor and any encryption product in Russia?

I've read http://www.cryptolaw.org/cls2.htm#ru but also Is there a list of illegal Tor areas?. So I'm kind of confused, do you guys know anything about this matter?
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DNSSEC & DNSCrypt over Tor

I want to use DNSSEC and DNSCrypt with Tor. I wonder which configuration is more secure and better? SOCKS4 + dnscrypt-proxy: Forward the DNS traffic to a DNS server which I choose. Although the DNS ...