Re: [PATCH] fscrypt: invoke crypto API for ESSIV handling

[Eric Biggers <ebiggers@xxxxxxxxxx>]

On Wed, Oct 09, 2019 at 04:38:40PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> Instead of open-coding the calculations for ESSIV handling, use an ESSIV
> skcipher which does all of this under the hood.  ESSIV was added to the
> crypto API in v5.4.
> 
> This is based on a patch from Ard Biesheuvel, but reworked to apply
> after all the fscrypt changes that went into v5.4.
> 
> Tested with 'kvm-xfstests -c ext4,f2fs -g encrypt', including the
> ciphertext verification tests for v1 and v2 encryption policies.
> 
> Originally-from: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---

Applied to fscrypt.git for 5.5.

- Eric

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