The Electronic Frontier Foundation (EFF) today asked the Supreme Court to overturn a ruling undermining Fifth Amendment protections against self-incrimination and find that constitutional safeguards prevent police from forcing people to provide or use passcodes for their cell phones so officers can access the tremendous amount of private information on phones.

The Illinois Supreme Court in the case People v. Sneed erroneously ruled that the Fifth Amendment doesn’t apply to compelled entry of passcodes because they are just a string of numbers memorized by the phone’s owner with minimal independent value—and therefore not a form of testimony