From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] booting signed Images
Date: Mon, 05 May 2014 19:55:04 +0200 [thread overview]
Message-ID: <20140505175504.9FE723809DA@gemini.denx.de> (raw)
In-Reply-To: <CAPnjgZ2-qC8YK8t2DvmzXWKy3Wd+=7VY1Ti=Jm98LF96PLfu-g@mail.gmail.com>
Dear Simon,
In message <CAPnjgZ2-qC8YK8t2DvmzXWKy3Wd+=7VY1Ti=Jm98LF96PLfu-g@mail.gmail.com> you wrote:
>
> > Should we not prevent booting uImages or not signed FIT Images when
> > CONFIG_FIT_SIGNATURE is defined?
> > Or at least prevent booting such unsigned images through an U-Boot
> > env variable.
> >
> > What Do you think?
>
> There is a 'required' property in the public keys which is intended to
> support this. If you mark a key as 'required then it will need to be
> verified by any image that is loaded. There is a test for this case,
> but it may not be comprehensive.
But what about legacy uImage files? It appears nothing would stop
booting one of those?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
Accident: A condition in which presence of mind is good, but absence
of body is better.
next prev parent reply other threads:[~2014-05-05 17:55 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-05 7:35 [U-Boot] booting signed Images Heiko Schocher
2014-05-05 17:25 ` Simon Glass
2014-05-05 17:55 ` Wolfgang Denk [this message]
2014-05-05 18:31 ` Simon Glass
2014-05-05 19:19 ` Wolfgang Denk
2014-05-07 7:06 ` Heiko Schocher
2014-05-07 22:51 ` Simon Glass
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