If they have physical access to the device, this won’t help.
They can simply produce a binary copy of the (still encrypted) information inside, via specialized hardware or backdoors via the CIA / Israel, then if you given them a duress code all they lose is either the original or the copy.
It depends what the law is in your country, but wouldn’t it be illegal for police to take away your phone without a warrant? Also, I find it not so probable that any cop has access to the top-secret-deep-state-backdoor.
If they have physical access to the device, this won’t help.
They can simply produce a binary copy of the (still encrypted) information inside, via specialized hardware or backdoors via the CIA / Israel, then if you given them a duress code all they lose is either the original or the copy.
It depends what the law is in your country, but wouldn’t it be illegal for police to take away your phone without a warrant? Also, I find it not so probable that any cop has access to the top-secret-deep-state-backdoor.