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Asked: 2018-01-17 20:10:05 +0800 CST

USB Flash drive partition encryption for OSX, Windows and Ubuntu [duplicate]

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Is there a filesystem and encryption combination that works across the 3 operating systems? Assume OSX High Sierra, Windows 10, 16.04. Bonus round if you have successfully done this before (please state in reply). Read / Write access is required.

It would be best if I could encrypt the flash drive so that it is not easily accessed if it were lost. That being said it makes sense to select a combination of filesystem and encryption that works across the three platforms in my environment (if possible)

filesystem

1 Answers

  1. HFS+ (Journaled) or JHFS+ has been used as a great encrypted file system on macOS since ages and it's one of the best file systems available. I would recommend you to go with JHFS+ formatted drives. But, there's one problem, the filesystem is not supported on Ubuntu and Windows, but there is a small fix to get this working on both the Operating Systems.

    On Ubuntu:

    Install hfsprogs:

    sudo apt-get install hfsprogs

    Next, mount or remount the HFS+ drive; commands need to be as follows:

    sudo mount -t hfsplus -o force,rw /dev/sdXY /media/mntpoint

    or

    sudo mount -t hfsplus -o remount,force,rw /mount/point

    Finally, if the drive was improperly unmounted or has otherwise become partially corrupted run fsck.hfsplus ... as such:

    sudo fsck.hfsplus -f /dev/sdXY

    On Windows:

    It's as easy as installing a driver. Driver download and instructions here: https://forums.macrumors.com/threads/apple-hfs-windows-driver-download.1368010/

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