From: Andy Whitcroft <apw@canonical.com>
To: David Howells <dhowells@redhat.com>
Cc: Herbert Xu <herbert@gondor.apana.org.au>,
"David S. Miller" <davem@davemloft.net>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] x509: only prefix strip raw serial numbers
Date: Wed, 16 Sep 2015 11:57:51 +0100 [thread overview]
Message-ID: <20150916105751.GW19632@bark> (raw)
In-Reply-To: <10881.1442311183@warthog.procyon.org.uk>
On Tue, Sep 15, 2015 at 10:59:43AM +0100, David Howells wrote:
> Andy Whitcroft <apw@canonical.com> wrote:
>
> > This leads us to truncate the id for kernel module signing keys and to
> > fail to recognise our own modules:
> >
> > [ 1.572423] Loaded X.509 cert 'Build time autogenerated kernel
> > key: 62a7c3d2da278be024da4af8652c071f3fea33'
> > [ 1.646153] Request for unknown module key 'Build time autogenerated
> > kernel key: 0062a7c3d2da278be024da4af8652c071f3fea33' err -11
>
> I don't suppose you've saved the key and a random small module that I can have
> a play with?
Sorry no, the key was an ephemeral key in those builds. I did run a few
key builds to generate a new key with 0's to confirm this was possible.
> What version of the kernel are you using, btw?
Ahh yes, this was against a v4.2 final, I see that sign-file is all
changing to use openssl, so I will go confirm that this is not different
as a result.
-apw
next prev parent reply other threads:[~2015-09-16 10:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-14 8:13 [PATCH 1/1] x509: only prefix strip raw serial numbers Andy Whitcroft
2015-09-15 9:59 ` David Howells
2015-09-16 10:57 ` Andy Whitcroft [this message]
2015-09-16 22:29 ` David Howells
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