From: David Howells <dhowells@redhat.com>
Subject: Re: [RFC PATCH 2/8] KEYS: Provide keyctls to drive the new key type ops for asymmetric keys [ver 3]
Date: Thu, 12 May 2016 11:16:41 +0100
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Cc: dhowells@redhat.com, tadeusz.struk@intel.com,
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To: Mat Martineau <mathew.j.martineau@linux.intel.com>
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Mat Martineau <mathew.j.martineau@linux.intel.com> wrote:

> > +     If the key must be unlocked with a password before it can be used,
> > +     password_id should point to a logon-type key that holds this.
> 
> It should be noted that the password_id should be 0 if no password is to be
> used.

Currently I'm just ignoring it if I don't need it, but this makes more sense.

David