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I would like to have a disk that:

  • has Ubuntu installed
  • is fully encrypted
  • is setup in such a way as to make denial of the existence of the Ubuntu install plausible

Truecrypt provides the last two features but only for Windows: http://www.truecrypt.org/docs/?s=sys-encryption-supported-os

The alternate installer for Ubuntu provides the first two features but not the last.

I imagine that plausible deniability would be achieved by, at least:

  • Having two installs of Ubuntu and 2 passphrases (or keyfiles) which would unencrypt each one.
  • Moving any unencrypted data (such as /boot) onto a USB stick

Are there any programs out there which support this feature set for Ubuntu?

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Why would you want to deny that you have Ubuntu installed? The purpose of the plausible deniability is to hide your data. –  psusi Apr 10 '12 at 2:17
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@psusi What is the difference? What procedure are you aware of that allows plausible deniability for encrypted data but not the OS under which that data is written? –  Rupert Madden-Abbott Apr 10 '12 at 8:10

1 Answer 1

Check this out:

http://and1equals1.blogspot.ro/2009/10/encrypting-your-hdd-with-plausible.html

I don't see why you wouldn't be able to use the above tutorial but for an additional OS installed in the free space (under cryptsetup - as described in the tutorial - which does not create a LUKS header) left after installing your main decoy OS.

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