A technique for mystifying the
true origin of packets on an IP network in order to preserve privacy
and shield a user's online activities from monitoring by government,
corporate or other entities.
Onion routing hides online activity by sending packets through a distributed network of randomly
selected proxy servers before they are delivered to their final destination.
selected proxy servers before they are delivered to their final destination.
Onion-routed packets are securely encrypted, with the packets unwrapped by a symmetric encryption key at each server, peeling off the layers of the message a server at a time.
Onion
routing was originally developed by the U.S. Navy, and the Navy has
financed the development of a second-generation onion routing project
known as Tor.
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