linux-kernel - Re: [PATCH 3/4] module: search the key only by keyid

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Message-id: <5432CDF1.5050904@samsung.com>
Date:	Mon, 06 Oct 2014 20:14:25 +0300
From:	Dmitry Kasatkin <d.kasatkin@...sung.com>
To:	James Morris <jmorris@...ei.org>,
	David Howells <dhowells@...hat.com>
Cc:	zohar@...ux.vnet.ibm.com, linux-ima-devel@...ts.sourceforge.net,
	linux-security-module@...r.kernel.org, rusty@...tcorp.com.au,
	keyrings@...ux-nfs.org, linux-kernel@...r.kernel.org,
	dmitry.kasatkin@...il.com
Subject: Re: [PATCH 3/4] module: search the key only by keyid

On 06/10/14 15:44, James Morris wrote:
> On Fri, 3 Oct 2014, David Howells wrote:
>
>> Dmitry Kasatkin <d.kasatkin@...sung.com> wrote:
>>
>>> BTW. But actually why signer is needed to find the key?
>>> Every key has unique fingerprint.
>> The SKID is by no means guaranteed unique, is not mandatory and has no defined
>> algorithm for generating it.
>>
>>> Or you say that different certificates might have the same PK?
>>> What I would consider strange. But anyway, if PK is the same, then
>>> verification succeed.
>> Do note: We *do* need to get away from using SKIDs.  We have situations where
>> we have to use a key that doesn't have one.
>>
> David, I need to push to Linus for 3.17 -- please finalize the fix for 
> this and send me a pull request.
>
>
>

Hi David,

I tested KEYS fixes and it works well for modules and integrity.

http://git.kernel.org/cgit/linux/kernel/git/dhowells/linux-fs.git/log/?h=keys-next-fixes

Thanks!

- Dmitry

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