Telex, an anti-censorship technology and a possible component of UVT

Telex is (quoting from New Tool Keeps Censors in the Dark): "a scheme that makes it harder for censors to block communications, by taking traffic that's destined for restricted sites and disguising it as traffic meant for popular, uncensored sites."

The Telex system has two major components: "stations" at dozens of Internet service providers (ISPs) and a software client that runs on the computers or smartphones of end users.

The clients make outgoing connections to non blocked websites, encrypting the traffic in the same way that an e-commerce or online banking site does. The identity of the site to which they really want to connect is then encoded using steganography in a special string, or "tag," that's embedded in the encrypted request. A Telex station at an ISP can examine incoming traffic and detect the presence of these tags, providing it has the right encryption key. The tag would be indistinguishable from random gibberish without the key.

When the Telex station detects an incoming request that includes a tag, it redirects that connection to the site specified in the encrypted message.

The Telex protocol may then be used in the User Verifiable Telematics (UVT) system to give its end users an anonymous, not interceptable way to connect from their smartphones to the anonymous blogs and discussion forums hosted by the same providers of their UVT terminals.

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