Assuming you are talking from a US point of view, https://www.newsweek.com/court-rules-defendant-must-disclose-phone-password-police-prosecution-first-ruling-it

Assuming you are talking from a US point of view, https://www.newsweek.com/court-rules-defendant-must-disclose-phone-password-police-prosecution-first-ruling-its-kind-1466112 https://www.newsweek.com/court-rules-defendant-must-disclose... suggests that a person can be completed to provide passwords that unlock incriminating evidence If you are talking globally each country has its laws or no laws on the matter (as you’d expect there are also contradictory court rulings within a country/ state ) https://en.m.wikipedia.org/wiki/Key_disclosure_law https://en.m.wikipedia.org/wiki/Key_disclosure_law