[Lowerbounds, Upperbounds]

Algorithms are everywhere.

My key case got stolen from the gym a while ago. The theft caused me about several nights of sleep and several hundred dollars… cash, CMU ID, driver’s license (showing my address), keys (the subsequent lock replacement), and the key case itself!

And the thief also got my Sandisk SD Plus card. That’s the only thing that makes me “feel good” about the whole incident: the card has been encrypted using TrueCrypt, which is a free open-source disk encryption software for Windows and Linux. I can only hope that TrueCrypt doesn’t have any security flaw in its implementation and that whoever gets my card does not want my data badly enough to crack AES and Twofish. Oh well…

The situation could have been very different had I not used TrueCrypt… So, have you encrypted your flash drive yet?

P.S. I highly recommend the SD Plus cards. These are SD cards with a built-in USB interface and so they are as universal as USB thumb drives. Their speed is reasonable, even though it is not very good. There are faster devices for the same money (like the Ultra series from Buffalo), but not in this stamp-sized form factor. I store my card together with coins!

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