I have some data I'd like to carry with me in an encrypted form onto an SD card, so I (and only I) can access it easily from any OS (or at least Windows, OSX and Ubuntu). My idea was like:

  • Two partitions: one is a small FAT32 with live decryption program, another is hidden and encrypted and - once mounted with decryption key - appears as a FAT32 mount compatible with all OSes
  • Data encrypted with something like AES-256.
  • Three versions of decryption program: one for GNU/Linux, one for OSX and one for Windows.
  • Ability to read and write (once mounted) the encrypted partition and to unmount it safely with no data loss.

How could I achieve this? I've already tried LaCie PublicPrivate, but it only supports OSX and Windows though.

  • 3
    Try TrueCrypt/VeraCrypt and its compatible equivalents. – Jonas Köritz Jun 6 '16 at 20:37
  • Is it compatibile with the three OSes i mentioned? – Manchineel Jun 6 '16 at 20:50
  • Yes, TrueCrypt 7.1a is available for Windows, Linux and OSX. – Jonas Köritz Jun 6 '16 at 20:51
  • And does it require some software to be l'installed on the machine, or once the SD Card is created it works out of the box? – Manchineel Jun 6 '16 at 20:53
  • 1
    Installation is mandatory. Please have a look at VeraCrypt yourself. – Jonas Köritz Jun 6 '16 at 20:55

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