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From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Mimi Zohar <zohar@linux.vnet.ibm.com>
Cc: linux-kernel@vger.kernel.org,
	linux-security-module@vger.kernel.org, keyrings@linux-nfs.org,
	linux-crypto@vger.kernel.org, David Howells <dhowells@redhat.com>,
	James Morris <jmorris@namei.org>,
	David Safford <safford@watson.ibm.com>,
	Rajiv Andrade <srajiv@linux.vnet.ibm.com>,
	Mimi Zohar <zohar@us.ibm.com>
Subject: Re: [PATCH v1.2 3/4] keys: add new trusted key-type
Date: Mon, 8 Nov 2010 10:09:37 -0700	[thread overview]
Message-ID: <20101108170937.GA31501@obsidianresearch.com> (raw)
In-Reply-To: <1289230246-3856-4-git-send-email-zohar@linux.vnet.ibm.com>

On Mon, Nov 08, 2010 at 10:30:45AM -0500, Mimi Zohar wrote:

> pcrlock=n    extends the designated PCR 'n' with a random value,
>              so that a key sealed to that PCR may not be unsealed
>              again until after a reboot.

Nice, but this seems very strange to me, since it has nothing to do
with the key and could be done easially in userspace?

Jason

  reply	other threads:[~2010-11-08 17:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-08 15:30 [PATCH v1.2 0/4] keys: trusted and encrypted keys Mimi Zohar
2010-11-08 15:30 ` [PATCH v1.2 1/4] lib: hex2bin converts ascii hexadecimal string to binary Mimi Zohar
2010-11-08 15:30 ` [PATCH v1.2 2/4] key: add tpm_send command Mimi Zohar
2010-11-08 15:30 ` [PATCH v1.2 3/4] keys: add new trusted key-type Mimi Zohar
2010-11-08 17:09   ` Jason Gunthorpe [this message]
2010-11-08 18:18     ` David Safford
2010-11-09  6:40       ` Jason Gunthorpe
2010-11-09 15:17         ` David Safford
2010-11-09 16:02           ` Roberto Sassu
2010-11-09 16:25             ` David Safford
2010-11-09 16:46               ` Roberto Sassu
2010-11-08 15:30 ` [PATCH v1.2 4/4] keys: add new key-type encrypted Mimi Zohar

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