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Home page > II. Pro > 4. Informatique/Computing > Jolla Safe Travel Mode

Jolla Safe Travel Mode


25 May 2017, by CeD

Airline travellers are now requested to submit their phone to security controls before getting on board; more and more frequently, specially in the United States, they are even requested to unlock it, and/or to reveal their passwords.

To be prepared for this, here are some preventive measures you can take before check-in, to make police & customs controls as smooth as possible, even if your phone contains privacy tools and classified stuff [1].

Before po­lice & cus­toms for­mal­i­ties:
 Move your own­keep­ass database to j [2]
 Replace it with a fake database with some cre­den­tials for non-sen­si­tive mat­ters
 Back up fold­er "/root/.gnupg/" (your GnuPG keyrings) to j, emp­ty it and fill it with inof­fen­sive fake data (see here)
 Back up/hide all *.gpg and *.asc files
 Create al­ter­na­tive can­did ac­counts for email and so­cial net­works, hide any ev­i­dence of your re­al ac­counts
 Disable de­vel­op­er mode and Android sup­port
 In case you wrote down this note some­where in your phone, erase it!
 Pick a “dumb” de­vice (i.e. un­able to mount and read en­crypt­ed vol­umes) hav­ing a mi­cro-sd slot (e.g. cam­era, au­dio play­er…)
 Swap phone and dumb de­vice mi­cro-sd cards
 Smile at se­cu­ri­ty of­fi­cers, en­joy your flight. You are in­no­cent.


Of course, this doesn’t make you 100% safe if you want to trav­el with ul­tra con­fi­den­tial data (the on­ly way to do so is to keep it far away from any of­fi­cial of non-of­fi­cial lurk­ers). However, you’ll have a rea­son­able prob­a­bil­i­ty to ap­pear as some­one who has noth­ing to hide.


[1] These sug­gest­ed ac­tions are in­tend­ed for Jolla/SailfishOS phones; you may of course adapt them to your de­vice.

[2] Assuming you have an en­crypt­ed “j” vol­ume (e.g. Truecrypt, Veracrypt, LUKS) in your mi­cro-sd card and/or in the cloud (with a strong pass phrase of course). If not, see here.

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