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From: Eric Biggers <ebiggers@kernel.org>
To: David Sterba <dsterba@suse.com>
Cc: linux-crypto@vger.kernel.org, ard.biesheuvel@linaro.org
Subject: Re: [PATCH v3] crypto: add blake2b generic implementation
Date: Thu, 10 Oct 2019 15:29:19 -0700	[thread overview]
Message-ID: <20191010222918.GC143518@gmail.com> (raw)
In-Reply-To: <e7f46def436c2c705c0b2cac3324f817efa4717d.1570715842.git.dsterba@suse.com>

A couple more comments:

On Thu, Oct 10, 2019 at 04:10:05PM +0200, David Sterba wrote:
> +static void blake2b_set_lastnode(struct blake2b_state *S)
> +{
> +	S->f[1] = (u64)-1;
> +}
> +
[...]
> +static void blake2b_set_lastblock(struct blake2b_state *S)
> +{
> +	if (S->last_node)
> +		blake2b_set_lastnode(S);
> +

last_node is never true, so this is dead code.

> +struct digest_desc_ctx {
> +	struct blake2b_state S[1];
> +};

This indirection isn't needed.  Just use struct blake2b_state directly as the
shash_desc_ctx.

- Eric

      parent reply	other threads:[~2019-10-10 22:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 14:10 [PATCH v3] crypto: add blake2b generic implementation David Sterba
2019-10-10 14:45 ` Ard Biesheuvel
2019-10-10 22:12 ` Eric Biggers
2019-10-11 12:04   ` David Sterba
2019-10-10 22:29 ` Eric Biggers [this message]

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