"With this outstanding landmark judgment, the 'client-side scanning' surveillance on all smartphones proposed by the EU Commission in its chat control bill is clearly illegal," said Breyer.

"It would destroy the protection of everyone instead of investigating suspects. EU governments will now have no choice but to remove the destruction of secure encryption from their position on this proposal – as well as the indiscriminate surveillance of private communications of the entire population!"

I hope he's right, but I'll believe it when I see it.