Formal talks between governments and tech companies are taking place as European countries ratchet up their calls for encryption backdoors.

"It's a clear step forward in bringing the benefits of secure, robust cryptography to billions of people around the world," said one former employee.

Windows XP users have a chance to decrypt WannaCry and save their files from oblivion.

Encryption is en vogue in Washington, D.C., but the app of choice for some of the most powerful and "paranoid Republicans" in the capital is profoundly insecure, experts say.

Today's crypto will be vulnerable to tomorrow's computers, and NIST wants to get a start on quantum-proofing its standards.

Project Wycheproof is "a collection of unit tests that detect known weaknesses or check for expected behaviors of some cryptographic algorithms."