Encrypted Volumes for Linux and Windows?

Posted by Cliff on Tuesday June 29, 2004 @01:20PM from the privacy-in-dual-booting dept.

share_it asks: "On my Win PC I used a lot of encryption: I had encrypted small files for personal stuff, encrypted virtual disks for programs, music, video, etc. I used PGPdisk and mounted 3 big virtual disks (for a total of 170 gigs) on startup with just one single passphrase and those 'disks' were even quite fast. I have now switched to GNU-Linux for most of my interests, but sometimes I have to use Windows and I want my data to be encrypted and accessible from both OSes The only software that I found which can mount the same encrypted disk on both platforms is BestCript, but from Linux I can't store file with long names. Is there a better way to share encrypted data between when I dual-boot?"

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Try a modified approach by tchuladdiass · 2004-06-29 15:26 · Score: 4, Interesting

First, you don't need the OS encrypted. The most you'll need is /var, /tmp, /home and swap (and /data or wherever you put your bulk data files). So, that takes care of having to get the OS to boot off an encrypted volume.
Now, to make things easy, you probably will only need to access /home and /data from windows. So, when you boot windows, fire up a virtual host program (either vmware, or a free alternative) to boot a linux kernel / mini distribution, which then mounts & exports /home and /data via samba, then use the virtual network connection to mount those volumes from windows.
Of course, in windows, you never know where it may leave temp files laying around, so you might want to encrypt the entire win volume using a seperate utility.