linux-kernel - Re: [PATCH] s390/crypto: add crypto library interface for ChaCha20

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Message-ID: <CAMusb+Q11JMyOXV0iy4VLJ8yST7L0QrmDUJWOpnvsBxfBzjrdA@mail.gmail.com>
Date:   Mon, 9 May 2022 12:17:04 +0200
From:   Vlad Dronov <vdronov@...hat.com>
To:     freude@...ux.ibm.com
Cc:     Patrick Steuer <patrick.steuer@...ibm.com>,
        Harald Freudenberger <freude@...ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        linux-crypto@...r.kernel.org, linux-s390@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] s390/crypto: add crypto library interface for ChaCha20

Hi, Harald,

Thank you for your response, review and an ACK. Let me ask Herbert if
he would agree
to add your Reviewed-by and submit (so I do not send v2 just for this).

Best regards,
Vladis


On Mon, May 9, 2022 at 12:10 PM Harald Freudenberger
<freude@...ux.ibm.com> wrote:
>
> On 2022-05-08 15:09, Vladis Dronov wrote:
> > From: Vladis Dronov <vdronov@...hat.com>
> >
> > Implement a crypto library interface for the s390-native ChaCha20
> > cipher
> > algorithm. This allows us to stop to select CRYPTO_CHACHA20 and instead
> > select CRYPTO_ARCH_HAVE_LIB_CHACHA. This allows BIG_KEYS=y not to build
> > a whole ChaCha20 crypto infrastructure as a built-in, but build a
> > smaller
> > CRYPTO_LIB_CHACHA instead.
> >
> > Make CRYPTO_CHACHA_S390 config entry to look like similar ones on other
> > architectures. Remove CRYPTO_ALGAPI select as anyway it is selected by
> > CRYPTO_SKCIPHER.
> >
> > Add a new test module and a test script for ChaCha20 cipher and its
> > interfaces. Here are test results on an idle z15 machine:
> >
> > ...skip...
>
> Hello Vladis
> Thanks for your work. Please add my
> Reviewed-by: Harald Freudenberger <freude@...ux.ibm.com>
>
> however, always the question who will pick and forward this patch ?
> To me this looks like most parts are common so I would suggest that
> Herbert Xu  will pick this patch.
>