AES 256-bit Encrypted Disk Images open under Tiger (10.4.10)

Discussion in 'macOS' started by iVoid, Oct 28, 2007.

  1. iVoid macrumors 65816

    Jan 9, 2007
    I was curious and tried opening a AES 256-bit encrypted disk image created under Leopard in Tiger (10.4.10) and it opened without problems.

    Either they added the AES 256-bit mounting functionality to Tiger at some point or is it possible Tiger can mount images using any length AES key?

    BTW, does anyone know a way to see what length key a disk image uses? I'd be curious to know if Filevault is using AES 256 now.
  2. ibell63 macrumors newbie

    Jun 5, 2007
    actually i'm pretty sure that file vault in leopard still uses 128 bit keys. Yeah I know, it doesn't exactly make sense as to why, since file vault uses sparse disk images to do it's magic. I really wanted 256 bit file vault myself.

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