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March 6, 2020 05:20 pm

The EARN IT Act is an Attack on Encryption

A bipartisan pair of US senators on Thursday introduced long-rumored legislation known as the EARN IT Act. The bill is meant to combat child sexual exploitation online, but if passed, it could hurt encryption as we know it. Matthew Green, a cryptographer and professor at Johns Hopkins University, writes: Because the Department of Justice has largely failed in its mission to convince the public that tech firms should stop using end-to-end encryption, it's decided to try a different tack. Instead of demanding that tech firms provide access to messages only in serious criminal circumstances and with a warrant, the DoJ and backers in Congress have decided to leverage concern around the distribution of child pornography, also known as child sexual abuse material, or CSAM. [...] End-to-end encryption systems make CSAM scanning more challenging: this is because photo scanning systems are essentially a form of mass surveillance -- one that's deployed for a good cause -- and end-to-end encryption is explicitly designed to prevent mass surveillance. So photo scanning while also allowing encryption is a fundamentally hard problem, one that providers don't yet know how to solve. All of this brings us to EARN IT. The new bill, out of Lindsey Graham's Judiciary committee, is designed to force providers to either solve the encryption-while-scanning problem, or stop using encryption entirely. And given that we don't yet know how to solve the problem -- and the techniques to do it are basically at the research stage of R&D -- it's likely that "stop using encryption" is really the preferred goal. EARN IT works by revoking a type of liability called Section 230 that makes it possible for providers to operate on the Internet, by preventing the provider for being held responsible for what their customers do on a platform like Facebook. The new bill would make it financially impossible for providers like WhatsApp and Apple to operate services unless they conduct "best practices" for scanning their systems for CSAM. Since there are no "best practices" in existence, and the techniques for doing this while preserving privacy are completely unknown, the bill creates a government-appointed committee that will tell technology providers what technology they have to use. The specific nature of the committee is byzantine and described within the bill itself. Needless to say, the makeup of the committee, which can include as few as zero data security experts, ensures that end-to-end encryption will almost certainly not be considered a best practice.

Read more of this story at Slashdot.


Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/rPPP6mEaLi4/the-earn-it-act-is-an-attack-on-encryption

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