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Date:   Tue, 16 Jun 2020 21:04:44 +1000
From:   Herbert Xu <herbert@gondor.apana.org.au>
To:     Eric Biggers <ebiggers@kernel.org>
Cc:     Ard Biesheuvel <ardb@kernel.org>,
        Stephan Mueller <smueller@chronox.de>,
        Linux Crypto Mailing List <linux-crypto@vger.kernel.org>
Subject: Re: [v2 PATCH 0/3] crypto: skcipher - Add support for no chaining
 and partial chaining
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On Mon, Jun 15, 2020 at 11:50:28AM -0700, Eric Biggers wrote:
>
> Wouldn't it make a lot more sense to make skcipher algorithms non-chainable by
> default, and only opt-in the ones where chaining is actually working?  At the
> moment we only test iv_out for CBC and CTR, so we can expect that all the others
> are broken.

Yes, I'm working through all the algorithms marking them.  If it
turns out that defaulting to off would result in a smaller patch
then I'm certainly going to do that.

> Note that wide-block modes such as Adiantum don't support chaining either.
> 
> Also, please use a better name than "fcsize".

Any suggestions?

Thanks,
-- 
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
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