The Tor project has cooked up a new way to generate random numbers to help secure its next-generation onion router.

Random numbers are essential for secure communications, because they're used to generate encryption keys.

This scheme was tested last week on an 11-node Tor network that the project says ran for a week and allowed us to test scenarios that could make the protocol burp and fail in unpredictable ways.

For example, we instructed our testing Tor nodes to abort at crucial protocol moments, and come back in the worst time possible ways, just to stress test the system.

Things went sufficiently well that that the project's people have confirmed that our system can survive network failures that can happen on the real Internet.

But the system is expected to make it into the next version of Tor, along with 55-character-long addresses up from 16 .

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