Re: [PATCH v4] fscrypt: add Adiantum support

From: Theodore Y. Ts'o
Date: Sun Dec 09 2018 - 16:56:49 EST


On Mon, Nov 26, 2018 at 11:27:37AM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> Add support for the Adiantum encryption mode to fscrypt. Adiantum is a
> tweakable, length-preserving encryption mode with security provably
> reducible to that of XChaCha12 and AES-256, subject to a security bound.
> It's also a true wide-block mode, unlike XTS. See the paper
> "Adiantum: length-preserving encryption for entry-level processors"
> (https://eprint.iacr.org/2018/720.pdf) for more details. Also see
> commit 059c2a4d8e16 ("crypto: adiantum - add Adiantum support").

Thanks, applied.

- Ted