Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754758Ab0KHRJv (ORCPT ); Mon, 8 Nov 2010 12:09:51 -0500 Received: from quartz.orcorp.ca ([139.142.54.143]:40682 "EHLO quartz.orcorp.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751904Ab0KHRJu (ORCPT ); Mon, 8 Nov 2010 12:09:50 -0500 Date: Mon, 8 Nov 2010 10:09:37 -0700 From: Jason Gunthorpe To: Mimi Zohar Cc: linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, keyrings@linux-nfs.org, linux-crypto@vger.kernel.org, David Howells , James Morris , David Safford , Rajiv Andrade , Mimi Zohar Subject: Re: [PATCH v1.2 3/4] keys: add new trusted key-type Message-ID: <20101108170937.GA31501@obsidianresearch.com> References: <1289230246-3856-1-git-send-email-zohar@linux.vnet.ibm.com> <1289230246-3856-4-git-send-email-zohar@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1289230246-3856-4-git-send-email-zohar@linux.vnet.ibm.com> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 614 Lines: 15 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/