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From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] socfpga: Add a signing tool that automatically signs the preloader.
Date: Thu, 20 Feb 2014 12:23:22 +0100	[thread overview]
Message-ID: <20140220112323.C8D62380CEA@gemini.denx.de> (raw)
In-Reply-To: <201402201358.19495.manningc2@actrix.gen.nz>

Dear Charles,

In message <201402201358.19495.manningc2@actrix.gen.nz> you wrote:
> 
> I looked at doing a mkimage integration, but is this really the way to go in 
> all cases?

...only where it fits, of course.

> The signed image does not really apply a header as such. It mashes in 
> a "header" at position 0x40 and then appends a checksum at the end, then pads 
> the file out to 64k.
> 
> The final file is:
> * 64 bytes of executable (interrupt vector table)
> * "header"
> * more code
> *crc32
> *padding with 0x00 to 64k.

Sounds exactly as if you were making an image, so yes, mkimage fits.


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
Humanity has the  stars  in  its  future,  and  that  future  is  too
important  to be lost under the burden of juvenile folly and ignorant
superstition.                                          - Isaac Asimov

  reply	other threads:[~2014-02-20 11:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19 23:01 [U-Boot] [PATCH] socfpga: Add a signing tool that automatically signs the preloader Charles Manning
2014-02-20  0:32 ` Tom Rini
2014-02-20  0:58   ` Charles Manning
2014-02-20 11:23     ` Wolfgang Denk [this message]
2014-02-20 13:40       ` Tom Rini
2014-02-22 17:26 ` Gerhard Sittig

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