On Fri, Sep 30, 2016 at 7:58 PM, Eric Biggers <[email protected]> wrote:
> The XTS tweak (or IV) was initialized differently on little endian and
> big endian systems. Because the ciphertext depends on the XTS tweak, it
> was not possible to use an encrypted filesystem created by a little
> endian system on a big endian system and vice versa, even if they shared
> the same PAGE_SIZE. Fix this by always using little endian.
>
> This will break hypothetical big endian users of ext4 or f2fs
> encryption. However, all users we are aware of are little endian, and
> it's believed that "real" big endian users are unlikely to exist yet.
> So this might as well be fixed now before it's too late.
>
> Signed-off-by: Eric Biggers <[email protected]>
Thanks, applied.
- Ted
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