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Cryptographers Are Getting Closer to Enabling Fully Private Internet Searches
Three researchers have found a long-sought way to pull information from large databases secretly. If the process can be streamlined, fully private browsing could be possible.
After building their secret lookup scheme, the authors turned to the real-world goal of a private internet search, which is more complicated than pulling bits of information from a database, Wichs said. Wichs said a true search, where you send a request and sit back while the server collects the results, is really a target for a broader approach known as homomorphic encryption, which disguises data so that someone else can manipulate it without ever knowing anything about it. But using their private lookup method as scaffolding, the authors constructed a new scheme which runs computations that are more like the programs we use every day, pulling information covertly without sweeping the whole internet.
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