Mixminion

Mixminion
Original author(s) Nick Mathewson
Initial release 16 December 2002 (2002-12-16)
Stable release 0.0.8alpha3 / 15 September 2007 (2007-09-15)
Written in Python
Type Anonymous remailer
Website mixminion.net
Mixminion using a Windows frontend

Mixminion is the standard implementation of the Type III anonymous remailer protocol. Mixminion can send and receive anonymous e-mail.

Mixminion uses a mix network architecture to provide strong anonymity, and prevent eavesdroppers and other attackers from linking senders and recipients. Volunteers run servers (called "mixes") that receive messages, decrypt them, re-order them, and re-transmit them toward their eventual destination. Every e-mail passes through several mixes so that no single mix can link message senders with recipients.

To send an anonymous message, mixminion breaks it into uniform-sized chunks (also called "packets"), pads the packets to a uniform size, and chooses a path through the mix network for each packet. The software encrypts every packet with the public keys for each server in its path, one by one. When it is time to transmit a packet, mixminion sends it to the first mix in the path. The first mix decrypts the packet, learns which mix will receive the packet, and relays it. Eventually, the packet arrives at a final (or "exit") mix, which sends it to the chosen recipient. Because no mix sees any more of the path besides the immediately adjacent mixes, they cannot link senders to recipients.

Mixminion supports Single-Use Reply Blocks (or SURBs) to allow anonymous recipients. A SURB encodes a half-path to a recipient, so that each mix in the sequence can unwrap a single layer of the path, and encrypt the message for the recipient. When the message reaches the recipient, the recipient can decode the message and learn which SURB was used to send it; the sender does not know which recipient has received the anonymous message.

The most current version of Mixminion Message Sender is 1.2.7 and was released on 11 February 2009.

On 2 September 2011, a news announcement was made that stated the source was uploaded to GitHub[1]

See also

References

  1. ↑ "Mixminion at Github". Retrieved 20 December 2014.

External links

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