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Re:New Zealand travellers refusing digital search now face $... by zymhan on Monday October 01, 2018 @11:11AM (#18113283)
That is the same approach used by TrueCrypt (RIP) for it's "hidden volume", to solve pretty much the same problem.

https://www.truecrypt71a.com/documentation/plausible-deniabi...

Re:New Zealand travellers refusing digital search now face $... by teddyh on Monday October 01, 2018 @02:21PM (#18115356)
> TrueCrypt (RIP)

Continued by VeraCrypt: https://www.veracrypt.fr/