From: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Harald Hoyer <harald-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: initramfs-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
chaowang-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: Re: [patch 2/2] ssh-client: add urandom seeding
Date: Thu, 11 Oct 2012 16:25:17 +0800 [thread overview]
Message-ID: <5076826D.2020201@redhat.com> (raw)
In-Reply-To: <50768041.8000803-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
On 10/11/2012 04:16 PM, Harald Hoyer wrote:
> Hmm, wouldn't that mean, that the generator is seeded with the _same_ seed on
> every reboot?
> How is this different from booting with no seed at all?
This is intend to resolve the no-sufficient-entropy issue during ssh
connection. But, yes it's same across reboot if the initrd is not
regenerated.
In old kdump code we originally copy bytes from /dev/mem, but that is
not good because /dev/mem is access denied, also it's not so random as well.
> --
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--
Thanks
Dave
next prev parent reply other threads:[~2012-10-11 8:25 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-11 8:07 [patch 0/2] two ssh-client module fixes dyoung-H+wXaHxf7aLQT0dZR+AlfA
2012-10-11 8:07 ` [patch 1/2] ssh-client: remove ctty related check dyoung-H+wXaHxf7aLQT0dZR+AlfA
2012-10-11 8:07 ` [patch 2/2] ssh-client: add urandom seeding dyoung-H+wXaHxf7aLQT0dZR+AlfA
[not found] ` <20121011080918.972371593-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-11 8:16 ` Harald Hoyer
[not found] ` <50768041.8000803-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-11 8:25 ` Dave Young [this message]
[not found] ` <5076826D.2020201-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-11 8:27 ` Dave Young
2012-10-11 19:58 ` Vivek Goyal
[not found] ` <20121011195823.GD2218-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-12 4:44 ` Dave Young
[not found] ` <5077A035.30008-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-12 13:35 ` Vivek Goyal
[not found] ` <20121012133551.GA9490-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-13 2:11 ` Dave Young
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