linux-kernel - Re: [PATCH] ima: make ASYMMETRIC_PUBLIC_KEY

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Date:   Tue, 7 Jan 2020 23:06:05 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     James Bottomley <James.Bottomley@...senpartnership.com>
Cc:     David Howells <dhowells@...hat.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
        Mimi Zohar <zohar@...ux.ibm.com>, keyrings@...r.kernel.org,
        "open list:HARDWARE RANDOM NUMBER GENERATOR CORE" 
        <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ima: make ASYMMETRIC_PUBLIC_KEY_SUBTYPE 'bool'

On Tue, Jan 7, 2020 at 10:01 PM James Bottomley
<James.Bottomley@...senpartnership.com> wrote:
>
> On Tue, 2020-01-07 at 21:30 +0100, Arnd Bergmann wrote:

> >  config ASYMMETRIC_PUBLIC_KEY_SUBTYPE
> > -     tristate "Asymmetric public-key crypto algorithm subtype"
> > +     bool "Asymmetric public-key crypto algorithm subtype"
>
> I believe the crypto guys do like stuff to be modular.
>
> However, we've already implemented this solution:
>
> https://lore.kernel.org/linux-integrity/20200107194350.3782-2-nramas@linux.microsoft.com/
>
> To solve the problem via an intermediate boolean config variable.

Ok, that looks good to me.

    Arnd