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

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Message-ID: <22418.1538754702@warthog.procyon.org.uk>
Date:   Fri, 05 Oct 2018 16:51:42 +0100
From:   David Howells <dhowells@...hat.com>
To:     James Morris <jmorris@...ei.org>
Cc:     dhowells@...hat.com, 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

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.

David