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I use pre-boot authentication. Can I prevent a person (adversary) that is watching me start my computer from knowing that I use TrueCrypt?

April 26, 2017Adversary authentication Computer KNOWING person pre-boot TrueCrypt watching

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I use pre-boot authentication. Can I prevent a person (adversary) that is watching me start my computer from knowing that I use TrueCrypt?

1 Answer

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10 Posted

Yes (as of TrueCrypt 6.1). To do so, boot the encrypted system, start TrueCrypt, select Settings > System Encryption, enable the option ‘Do not show any texts in the pre-boot authentication screen’ and click OK. Then, when you start the computer, no texts will be displayed by the TrueCrypt boot loader (not even when you enter the wrong password). The computer will appear to be “frozen” while you can type your password. It is, however, important to note that if the adversary can analyze the content of the hard drive, he can still find out that it contains the TrueCrypt boot loader.