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Date:   Thu, 8 Apr 2021 19:58:08 +0800
From:   Hangbin Liu <liuhangbin@gmail.com>
To:     Eric Biggers <ebiggers@kernel.org>
Cc:     netdev@vger.kernel.org, "Jason A . Donenfeld" <Jason@zx2c4.com>,
        Toke =?iso-8859-1?Q?H=F8iland-J=F8rgensen?= <toke@redhat.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Ondrej Mosnacek <omosnace@redhat.com>,
        linux-crypto@vger.kernel.org
Subject: Re: [PATCH net-next] [RESEND] wireguard: disable in FIPS mode
Message-ID: <20210408115808.GJ2900@Leo-laptop-t470s>
References: <20210407113920.3735505-1-liuhangbin@gmail.com>
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 <20210408010640.GH2900@Leo-laptop-t470s>
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On Thu, Apr 08, 2021 at 09:06:52AM +0800, Hangbin Liu wrote:
> > Also, couldn't you just consider WireGuard to be outside your FIPS module
> > boundary, which would remove it from the scope of the certification?
> > 
> > And how do you handle all the other places in the kernel that use ChaCha20 and
> > SipHash?  For example, drivers/char/random.c?
> 
> Good question, I will check it and reply to you later.

I just read the code. The drivers/char/random.c do has some fips specific
parts(seems not related to crypto). After commit e192be9d9a30 ("random: replace
non-blocking pool with a Chacha20-based CRNG") we moved part of chacha code to
lib/chacha20.c and make that code out of control.

Thanks
Hangbin