From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:43363) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDXZH-0006cE-JO for qemu-devel@nongnu.org; Thu, 07 Mar 2013 04:56:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UDXZG-0003Vi-IR for qemu-devel@nongnu.org; Thu, 07 Mar 2013 04:56:55 -0500 Received: from mail-ea0-x22e.google.com ([2a00:1450:4013:c01::22e]:61597) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UDXZG-0003VY-9d for qemu-devel@nongnu.org; Thu, 07 Mar 2013 04:56:54 -0500 Received: by mail-ea0-f174.google.com with SMTP id j13so71345eaa.19 for ; Thu, 07 Mar 2013 01:56:53 -0800 (PST) Date: Thu, 7 Mar 2013 10:56:50 +0100 From: Stefan Hajnoczi Message-ID: <20130307095650.GB14483@stefanha-thinkpad.redhat.com> References: <6923f8cd.be08.13d439c9dd1.Coremail.kvmluck@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6923f8cd.be08.13d439c9dd1.Coremail.kvmluck@163.com> Subject: Re: [Qemu-devel] qemu-img do not verify encrytption List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: yue-kvm Cc: qemu-devel On Thu, Mar 07, 2013 at 02:49:30PM +0800, yue-kvm wrote: > i create qcow2 format image with -o encryption, and assign password. > > but when i qemu-img info encryt.qcow2 , it display encryt.qcow2 info no master what i input, even just hit enter. > the 'Password Authentication ' of qemu-img may be invalid. Don't worry, your data is encrypted. The qemu-img info password check is unnecessary because qcow2 metadata is unencrypted. I didn't get a password prompt from qemu-img info on an encrypted qcow2 file using qemu.git/master. Which version of qemu-img are you using? Perhaps the unnecessary prompt has been fixed in a later version. Stefan