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Thread: Help using live CD with encrypted persistent store

  1. #1
    Join Date
    Nov 2007
    Location
    UK
    Beans
    15

    Help using live CD with encrypted persistent store

    I would like to use an encrypted persistent storage with a live CD/USB. My research so far has led to the following.

    Booting a live CD and using usb-creator copies all the files and creates an ext3 based partition using a loopback file named 'casper-rw' in the root directory of the USB.

    I can see (from extracting the initrd.gz bundle) that the persistent file is normally mounted in scripts\casper in the setup_unionfs function. This works as expected.

    I would now like to replace the 'casper-rw' file with an equivalent luks based encrypted ext3 filesystem.

    It would be great if I could get some advice on how to implement this. My intention is to produce a mini-howto if successful.

    Thanks

  2. #2
    Join Date
    Nov 2007
    Location
    UK
    Beans
    15

    Re: Help using live CD with encrypted persistent store

    Any ideas? Am I going in the wrong direction potentially changing a script in the initrd.gx file?

    How does ubuntu automatically load encrypted partitions from the /etc/crypttab file?

  3. #3
    Join Date
    Jun 2007
    Beans
    38

    Re: Help using live CD with encrypted persistent store

    I too would like to know this. I basically want an flash-USB Ubuntu install, but encrypted.

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