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Comment by umami | Hacker News Reader

Customs can request the encryption keys from you and did in this case. So not only encrypt everything, but use a hidden volume as well.

http://www.truecrypt.org/docs/plausible-deniability

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It's entirely unclear in NZ whether there's any legal obligation to furnish your passwords. See: https://twitter.com/GraemeEdgeler/status/411040201062895616 (Graeme Edgeler is a well-known NZ law commentator).

Don't carry any encrypted data on your person, download it over the internettubes which pass right through customs.

Hardware can easily travel separately from bits.

Another way is to provide part of the key to someone that's not travelling. This person should not release the key to you until they're satisfied you've successfully completed your trip. You don't know the key, so you can't release it, and you'd have good proof to that effect.

At which point customs would permanently confiscate my things and perhaps deny entry into the country for my wife and me. The latter wasn't a threat for Mr. Blackman as I assume he's an NZ citizen. We're not NZ citizens, we're US citizens.

My understanding is that if you do not supply the key they can confiscate and destroy the media, though it will obviously vary from country to country.

The idea behind the hidden volume is that you can provide a key that works for the volume (and hopefully satisfies whoever is inspecting your data) while keeping your information private.

Reading the link supplied by patio11 above (recommended), I wonder if using a hidden volume would constitute an obstruction of customs investigation.

"Don’t Obstruct an Agent’s Investigation

Once it’s clear that a border agent is going to search your device or other possessions, don’t take any steps to destroy data or otherwise obstruct that process. Like lying, knowingly interfering with a border agent’s investigation is a serious crime."

https://www.eff.org/wp/defending-privacy-us-border-guide-tra...

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