Step Four: Board your plane normally and use your computer for the whole flight. If it was sufficiently random and non-memorable, this should be easy. Step Three: Burn, shred, delete or otherwise destroy all copies of that new random key. You won’t be able to recover your hard drive without it. Make sure the trusted recipient has it, and make sure it works. Step Two: Send that new random key to someone you trust. So now there are two different users named with two different keys: the one you normally use, and some random one you just invented. #Truecrypt sierra softwareInstead, it encrypts the key that is used to encrypt your hard drive-that’s how the software allows multiple users. Technically, this key doesn’t directly encrypt your hard drive. By “random,” I mean really random: Pound the keyboard for a while, like a monkey trying to write Shakespeare. Step One: Before you board your plane, add another key to your whole-disk encryption (it’ll probably mean adding another “user”)-and make it random. Caveat: Don’t try this at home if you’re not very familiar with whatever encryption product you’re using. There’s another solution, one that works with whole-disk encryption products like PGP Disk (I’m on PGP’s advisory board), TrueCrypt, and BitLocker: Encrypt the data to a key you don’t know. Also, I like to work on long international flights. It’s a lot of data, and downloading it can take a long time. I do a lot of work on the road, and need to carry all sorts of data with me all the time. What we know is still based on anecdote, as no country has clarified the rules about what their customs officers are and are not allowed to do, and what rights people have.Ĭompanies and individuals have dealt with this problem in several ways, from keeping sensitive data off laptops traveling internationally, to storing the data-encrypted, of course-on websites and then downloading it at the destination. and Great Britain, to search the contents of people’s laptops at customs. Last year, I wrote about the increasing propensity for governments, including the U.S.
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