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From: David Howells <dhowells@redhat.com>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: dhowells@redhat.com, dwmw2@infradead.org,
	David Woodhouse <David.Woodhouse@intel.com>,
	linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org, keyrings@vger.kernel.org,
	Petko Manolov <petkan@mip-labs.com>
Subject: Re: [RFC PATCH] X.509: Don't check the signature on apparently self-signed keys [ver #2]
Date: Wed, 06 Jan 2016 13:21:27 +0000	[thread overview]
Message-ID: <9026.1452086487@warthog.procyon.org.uk> (raw)
In-Reply-To: <1452082979.2772.205.camel@linux.vnet.ibm.com>

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

> The x509_validate_trust() was originally added for IMA to ensure, on a
> secure boot system, a certificate chain of trust rooted in hardware.
> The IMA MOK keyring extends this certificate chain of trust to the
> running system.

The problem is that because 'trusted' is a boolean, a key in the IMA MOK
keyring will permit addition to the system keyring.

David

  reply	other threads:[~2016-01-06 13:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-05 15:47 [RFC PATCH] X.509: Don't check the signature on apparently self-signed keys [ver #2] David Howells
2016-01-05 15:55 ` David Howells
2016-01-05 16:08 ` Mimi Zohar
2016-01-05 16:39   ` David Howells
2016-01-06 12:22     ` Mimi Zohar
2016-01-06 13:21       ` David Howells [this message]
2016-01-06 14:03         ` Mimi Zohar
2016-01-06 14:19           ` David Howells
2016-01-06 17:00         ` Petko Manolov
2016-01-05 16:40   ` David Howells
2016-01-05 17:00     ` Petko Manolov

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