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From: David Howells <dhowells@redhat.com>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: dhowells@redhat.com, dmitry.kasatkin@intel.com,
	linux-kernel@vger.kernel.org, keyrings@linux-nfs.org,
	linux-security-module@vger.kernel.org,
	linux-crypto@vger.kernel.org
Subject: Re: [PATCH 2/3] KEYS: Separate the kernel signature checking keyring from module signing
Date: Thu, 17 Jan 2013 21:20:28 +0000	[thread overview]
Message-ID: <30183.1358457628@warthog.procyon.org.uk> (raw)
In-Reply-To: <1358449049.2689.87.camel@falcor1>

Mimi Zohar <zohar@linux.vnet.ibm.com> wrote:

> Lets assume accepting built in keys should is acceptable for all use
> cases.  Adding additional keys from userspace is probably not acceptable
> for all use cases.  Those keys should be added to specific 'trusted'
> keyrings.
> 
> EVM and IMA-appraisal have separate keyrings for this reason.  I might
> be interested in allowing third party packages to be installed and
> executed, but that doesn't imply that a security.evm extended attribute,
> signed by a third party application, is acceptable.

We should probably look at using the capability of X.509 certificates to
indicate what a key may be used for and noting that in the public_key struct.

David

  reply	other threads:[~2013-01-17 22:18 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-17 18:03 [PATCH 1/3] KEYS: Load *.x509 files into kernel keyring David Howells
2013-01-17 18:04 ` [PATCH 2/3] KEYS: Separate the kernel signature checking keyring from module signing David Howells
2013-01-17 18:57   ` Mimi Zohar
2013-01-17 21:20     ` David Howells [this message]
2013-01-17 18:04 ` [PATCH 3/3] KEYS: Add a 'trusted' flag and a 'trusted only' flag David Howells
2013-01-30  8:29   ` Kasatkin, Dmitry
2013-01-30 10:32     ` David Howells
2013-02-06 22:18       ` Kasatkin, Dmitry
2013-01-17 18:44 ` [PATCH 1/3] KEYS: Load *.x509 files into kernel keyring Mimi Zohar

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