Well, at least in the USA; in the UK the Regulation of Investigatory Powers Act 2000 (RIPA), specifically under Part III - a Section 49 notice can be issues, wh

Well, at least in the USA; in the UK the Regulation of Investigatory Powers Act 2000 (RIPA), specifically under Part III - a Section 49 notice can be issues, which legally requires an individual to disclose passwords or encryption keys, though I can only see a few folks prosecuted for failure to disclose.