linux-kernel - Re: One question about trusted key of keyring in Linux kernel.

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Message-ID: <20191209194715.GD19243@linux.intel.com>
Date:   Mon, 9 Dec 2019 21:47:15 +0200
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     James Bottomley <jejb@...ux.ibm.com>
Cc:     "Zhao, Shirley" <shirley.zhao@...el.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Jonathan Corbet <corbet@....net>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "keyrings@...r.kernel.org" <keyrings@...r.kernel.org>,
        "linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        'Mauro Carvalho Chehab' <mchehab+samsung@...nel.org>,
        "Zhu, Bing" <bing.zhu@...el.com>,
        "Chen, Luhai" <luhai.chen@...el.com>
Subject: Re: One question about trusted key of keyring in Linux kernel.

On Mon, Dec 02, 2019 at 10:55:32AM -0800, James Bottomley wrote:
> blob but it looks like we need to fix the API.  I suppose the good news
> is given this failure that we have the opportunity to rewrite the API
> since no-one else can have used it for anything because of this.  The

I did successfully run this test when I wrote it 5 years ago:

https://github.com/jsakkine-intel/tpm2-scripts/blob/master/keyctl-smoke.sh

Given that there is API a way must be found that backwards compatibility
is not broken. New format is fine but it must co-exist.

/Jarkko