linux-kernel - Re: Bad file pattern in MAINTAINERS section 'KEYS-TRUSTED'

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Date:   Tue, 26 Mar 2019 09:59:40 -0500
From:   Denis Kenzior <denkenz@...il.com>
To:     James Bottomley <jejb@...ux.ibm.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        Joe Perches <joe@...ches.com>
Cc:     linux-kernel@...r.kernel.org, linux-integrity@...r.kernel.org,
        keyrings@...r.kernel.org, Mimi Zohar <zohar@...ibm.com>,
        David Howells <dhowells@...hat.com>,
        James Morris <jmorris@...ei.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        James Morris <james.morris@...rosoft.com>
Subject: Re: Bad file pattern in MAINTAINERS section 'KEYS-TRUSTED'

Hi James,

On 03/26/2019 09:25 AM, James Bottomley wrote:
> Looking at the contents of linux/keys/trusted.h, it looks like the
> wrong decision to move it.  The contents are way too improperly named
> and duplicative to be in a standard header.  It's mostly actually TPM
> code including a redefinition of the tpm_buf structure, so it doesn't
> even seem to be necessary for trusted keys.
The reason this was done was because asym_tpm.c needed a bunch of the 
same functionality already provided by trusted.c, e.g. TSS_authmac and 
friends.

> 
> If you want to fix this as a bug, I'd move it back again, but long term
> I think it should simply be combined with trusted.c because nothing
> else can include it sanely anyway.

Ideally I'd like to see the TPM subsystem expose these functions using 
some proper API / library abstraction.  David Howells had an RFC patch 
set that tried to address some of this a while back.  Not sure if that 
went anywhere.

Regards,
-Denis