The algorithm, which encrypts information on much of the world's mobile phones, can be decrypted to eavesdrop or steal information from mobile phone users, said Nohl, speaking to an audience at the Chaos Communication Congress in Berlin.
Nohl's report on the cracking project is now available on the Web. He said 24 people worked independently to reproduce the binary code log for the algorithm, which contains the equivalent of about 2 terabytes of data.
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