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What I want to do is to fully encrypt my external HDD. My only system ATM is on Debian testing so I need to be able to set up the encryption from Linux. My questions are, can that be done from Linux? If I need to transfer the files to a friend, can I just plug in the USB, input the password and will his windows PC be able to read the encrypted filesystem?

  • If your only system is a Linux system, then why do you want to use NTFS in the first place, as opposed to a native Linux-compatible file system? – a CVn Aug 29 '16 at 12:27
  • It is an external USB hard drive. I want to be able to connect it to my fathers PC. my friends PC's etc... while the drive itself is still encrypted. – Mario Kamenjak Aug 30 '16 at 10:47
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Linux doesn't support NTFS file-level encryption. Bitlocker using the recovery key sorta works but is still very new(look here for more info). Windows in turn can't read LUKS-encrypted devices. If you need to share your encrypted drive between Windows and Linux, I'd recommend VeraCrypt or one of the other TrueCrypt forks.

  • Will my friends have to also install VeraCrypt on their machines? – Mario Kamenjak Aug 30 '16 at 10:47
  • Either that or they use VeraCrypt in portable mode, maybe from a small unencrypted partition of the disk – maxf Aug 30 '16 at 10:51

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