[U-Boot-Users] Secure Firmware + Firmware Upgrade?

[Rohit Sharma]

On Mon, 05 Jun 2006 18:39:06 +0530, Wolfgang Denk <wd at denx.de> wrote:

> In message <op.tanxj1fkdfxu59 at sys.t-mobile.de> you wrote:
>>
>> The only issue i see for now is that the image header structure won't
>> accomodate
>> the Digital signature string i.e. "image_header_t" and it has to be
>> appended at the
>> end of the firmware data blob.
>
> You could write the signature to a separate file and use a multi-file
> image to combine image and signature.

Thanks for the suggestion!!!

>> Due the nature of the product this is possible but than again the  
>> warranty
>> would void if some one updates the software by themselves.
>
> The same is true if someone loads and runs  an  image  that  was  not
> officially  released  -  so why goong through all this effort just to
> make it more difficult to someone who *wants* to ignore the warranty?

Due to the very nature any corrupted image can be actually turn out to
be futile for the very person. Its for their safety only.

Thanks for your kind help.

Best Regards
rohit


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