Re: [PATCH 3/5] crypto: chacha20 - Remove cra_alignmask

From: Ard Biesheuvel
Date: Wed Nov 22 2017 - 15:30:33 EST


On 22 November 2017 at 19:51, Eric Biggers <ebiggers3@xxxxxxxxx> wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> Now that crypto_chacha20_setkey() and crypto_chacha20_init() use the
> unaligned access macros and crypto_xor() also accepts unaligned buffers,
> there is no need to have a cra_alignmask set for chacha20-generic.
>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>

Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>

> ---
> crypto/chacha20_generic.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/crypto/chacha20_generic.c b/crypto/chacha20_generic.c
> index b5a10ebf1b82..bb4affbd591c 100644
> --- a/crypto/chacha20_generic.c
> +++ b/crypto/chacha20_generic.c
> @@ -105,7 +105,6 @@ static struct skcipher_alg alg = {
> .base.cra_priority = 100,
> .base.cra_blocksize = 1,
> .base.cra_ctxsize = sizeof(struct chacha20_ctx),
> - .base.cra_alignmask = sizeof(u32) - 1,
> .base.cra_module = THIS_MODULE,
>
> .min_keysize = CHACHA20_KEY_SIZE,
> --
> 2.15.0.448.gf294e3d99a-goog
>