From: David Howells <dhowells@redhat.com>
To: Dmitry Kasatkin <d.kasatkin@samsung.com>
Cc: dhowells@redhat.com, zohar@linux.vnet.ibm.com,
linux-ima-devel@lists.sourceforge.net,
linux-security-module@vger.kernel.org, jmorris@namei.org,
rusty@rustcorp.com.au, keyrings@linux-nfs.org,
linux-kernel@vger.kernel.org, dmitry.kasatkin@gmail.com
Subject: Re: [PATCH 3/4] module: search the key only by keyid
Date: Fri, 03 Oct 2014 14:40:05 +0100 [thread overview]
Message-ID: <13201.1412343605@warthog.procyon.org.uk> (raw)
In-Reply-To: <542E9FE8.2070009@samsung.com>
Dmitry Kasatkin <d.kasatkin@samsung.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
next prev parent reply other threads:[~2014-10-03 13:40 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-03 9:09 [PATCH 0/4] KEYS fixes Dmitry Kasatkin
2014-10-03 9:09 ` [PATCH 1/4] KEYS: handle error code encoded in pointer Dmitry Kasatkin
2014-10-03 9:09 ` [PATCH 2/4] KEYS: provide pure subject key identifier (fingerprint) as key id Dmitry Kasatkin
2014-10-03 9:09 ` [PATCH 3/4] module: search the key only by keyid Dmitry Kasatkin
2014-10-03 9:09 ` [PATCH 4/4] integrity: do zero padding of the key id Dmitry Kasatkin
2014-10-03 10:43 ` [PATCH 0/4] KEYS fixes Dmitry Kasatkin
2014-10-03 12:46 ` [PATCH 3/4] module: search the key only by keyid David Howells
2014-10-03 12:49 ` Dmitry Kasatkin
2014-10-03 12:53 ` Dmitry Kasatkin
2014-10-03 13:08 ` Dmitry Kasatkin
2014-10-03 13:40 ` David Howells [this message]
2014-10-03 14:00 ` Dmitry Kasatkin
2014-10-06 12:44 ` James Morris
2014-10-06 17:14 ` Dmitry Kasatkin
2014-10-06 19:39 ` Mimi Zohar
2014-10-03 12:46 ` [PATCH 1/4] KEYS: handle error code encoded in pointer David Howells
2014-10-03 14:19 ` [PATCH 0/4] KEYS fixes Mimi Zohar
2014-10-03 15:54 ` [PATCH] X.509: If available, use the raw subjKeyId to form the key description David Howells
2014-10-06 13:51 ` [PATCH 2/4] KEYS: provide pure subject key identifier (fingerprint) as key id David Howells
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