With the current concerns about surveillance and privacy, more and more people are turning to anonymising tools. The existence of unknown numbers of spying tools means that increasing numbers of people are turning to the likes of Tor to keep their online activities private. But encryption systems such as those used by The Onion Relay have a horrible tendency to slow things down. A new encryption system called HORNET could be a solution. Its creators say that data transfer speeds of up to 93GBps are possible, with much of the acceleration coming from a reduction in the number of hops data has to make around the network. The HORNET anonymous network was designed by researcher Chen Chen of Carnegie Mellon University. The system uses only symmetric cryptography for data forwarding yet requires no per-flow state on intermediate nodes. This design enables HORNET nodes to process anonymous traffic at over 93 Gb/s. HORNET can also scale as required, adding minimal processing overhead per additional anonymous channel.
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