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Beta Testing: Using encrypted devices

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    • CommentAuthorumatz
    • CommentTimeJan 29th 2008
     
    Hi,

    I am playing around with OSXCrypt and tried to create an encrypted USB-Stick.
    1. Initialised the stick using Disk Utility with one volume (device is disk1s1, fs is FAT32)
    2. Create an encrypted device with ocutil create -overwrite /dev/disk1s1 -> returns without an error
    3. Attach the volume with ocutil attach /dev/disk1s1 -> returns without error, but says
    attached OSXCrypt device disk2
    automounting volumes for device disk2

    Question: Where is this device mounted on? How can I get access to the encrypted volume?

    I can see the 'drive' in Disk Utility as "OSXCrypt Storage" but it seems to be a drive and not a mountable volume.

    Any help on this is appreciated.

    Greetinx,
    Udo
    • CommentAuthororlando
    • CommentTimeJan 29th 2008
     
    Hi Udo,

    probably you didn't specify the -fat option, that means you have just a crypted device
    not formatted.

    At this point you can choose to format or to partition it via Disk Utility.

    Hope it helps
    Orlando
    • CommentAuthorumatz
    • CommentTimeJan 29th 2008
     
    Hi Orlando,

    thanks for your reply.
    You were right, I omitted the -fat option when I created the volume and I was able to subsequently format the drive and can use it now like a regular volume.

    Great Tool!

    Greetinx,
    Udo
    • CommentAuthorslamzee
    • CommentTimeFeb 4th 2008
     
    I have a WD 250 USB drive I encrypted with TrueCrypt in Windows by choose the device option.

    I can mount it using ocutil attach /dev/disk1s1 and it mounts and I can see the files. But I can not delete any files by dragging to the macintosh trash can, and it seems to hang when I drag and drop a file to copy it to the desktop.

    Are these effects intended? Should all file movement be done with command lines? Sorry, I'm a little rusty on my mac command line skills, but I just got the new Macbook Air and am moving things over.

    Thanks!
    • CommentAuthorslamzee
    • CommentTimeFeb 4th 2008
     
    Also I just used the command line to detach - which went perfectly, but when I try to use the attach command again it says the service is already attached and running and doesn't mount anything.
    • CommentAuthorjc1350
    • CommentTimeFeb 4th 2008
     
    I have no problems using the trashcan and a 256 MB encrypted flash drive (created via Truecrypt).

    If you want to try command-line delete, it's 'rm filename' or 'rm -r directoryname'

    the -r is for recursive mode.
    • CommentAuthororlando
    • CommentTimeFeb 5th 2008
     
    @slmzee: is the volume NTFS? MacOS has only readonly support for it...
    • CommentAuthorslamzee
    • CommentTimeFeb 5th 2008
     
    I'm not sure, I'll check after connecting it to a windows machine. When I connected it now I got a macintosh message box that said the drive could not be repaired and i need to backup and format.

    I can see the files on the drive but not move them. When I try and open them I get a i/o error message.

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