Code is speech: How computer source code secured First Amendment rights

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Painters paint, sculptors sculpt and cryptographers code.

For millennia, creators have fought to express themselves through their chosen media.

Around the year 430 BC, Greek sculptor Phidias is famously said to have died in prison after being charged with impiety due to his art (with a side of treacherous politics).

Phidias had sculpted himself and statesman Pericles onto the shield of Athena on the Athena Parthenos, an unforgivable act of hubris in front of the gods.

Nearly two and a half thousand years later, cryptographer Daniel Bernstein fought the US government over his constitutional right to express himself through code — and won.

On This Day: Code Is Speech

Twenty-six years ago today, Judge Marilyn Patel ruled that computer code should be considered speech and thus protected under the First Amendment, even if that code represented powerful encryption technology.

Bernstein had sued the US State Department and subsequently the Department of Commerce in what Judge Patel later described as “part political expression.”

As we touched on in a retrospective last week, the US government at the time classed cryptographic tools with a key size larger than 40 bits as weapons.

This meant anyone seeking to publish or otherwise make cryptography software available outside the US had to register as an arms dealer — including doctoral candidates studying mathematics at UC Berkeley, like Bernstein.

So, when Bernstein approached the State Department about publishing the source code, instructions and academic paper describing a new encryption method called Snuffle, authorities labeled the work a “munition” under the International Traffic in Arms Regulations.

But the imposition of any licensing regime on code — the medium through which cryptographers express their ideas, thoughts and theories — was unconstitutional, in Bernstein’s view. The Electronic Frontier Foundation (EFF) then sponsored his lawsuit, in what was its second major case after the Steve Jackson Games in the early ‘90s.

Long before Bitcoin, Adam Back protested the US government’s classification of RSA encryption as munition with this cool shirt.

Courts sided with Bernstein and the EFF in a landmark decision about a year later, ruling that the government must protect cryptographers’ freedom to code. It’s their language.

The case paved the way for strong encryption to be readily applied to e-commerce and all manner of private enterprise, thanks in no small part to the forward-thinking Judge Patel.

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