linux-kernel - Re: [PATCH 05/22] KEYS: Provide software public key query function

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Message-ID: <alpine.LRH.2.21.1810060228100.8957@namei.org>
Date:   Sat, 6 Oct 2018 02:28:17 +1000 (AEST)
From:   James Morris <jmorris@...ei.org>
To:     David Howells <dhowells@...hat.com>
cc:     denkenz@...il.com, keyrings@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/22] KEYS: Provide software public key query function

On Fri, 5 Oct 2018, David Howells wrote:

> James Morris <jmorris@...ei.org> wrote:
> 
> > > +	if (strcmp(encoding, "raw") == 0) {
> > > +		strcpy(alg_name, pkey->pkey_algo);
> > > +		return 0;
> > > +	}
> > 
> > Can encoding here also be NULL to indicate raw? per patch 01:
> 
> Ummm...  By the letter of the documentation, yes, though in practice it isn't
> (it is defaulted to "raw") in the keyctl interface.  I wonder if it would be
> better to require it to say "raw" and never be NULL.

Probably.

-- 
James Morris
<jmorris@...ei.org>