The Professor vs. the NSA

Today, Martin Hellman stands before a crowd of hundreds, narrating the history of his research in public key encryption. It’s foundational: internet security is built on mathematics, and Hellman (along with collaborator Whitfield Diffie) helped to fashion that math. Throughout the talk, you can see their adorable bromance: Diffie heckles from the front row, and Hellman banters right back.

Back in the 1970s, Hellman and Diffie couldn’t have known that their work would lead to this stage. In fact, there was a likelier destination.

Federal prison.

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“It’s July 1977,” Hellman tells the audience. “Whit and I are involved in a major fight with NSA over the data encryption standard.” Continue reading

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