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Technology

Encryption scheme lets police access your phone, but there's a catch

By Chris Baraniuk

20 December 2019

Smartphone

Smartphones are increasingly being encrypted

Teerayut Chaisarn/Getty Images

It’s the argument that just won’t go away. For decades, governments have been lobbying for encryption “backdoors”: ways of accessing people’s private messages should law enforcement agencies want a peek. It will help them catch terrorists, they insist. But computer scientists have always pushed back. Weakening encryption , they say.

Now, Sacha Servan-Schreiber at the Massachusetts Institute of Technology and Archer Wheeler at Brown University in Rhode Island have proposed a potential compromise: backdoors with steps that would make them costly for law enforcement agencies to…

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