[U-Boot] Force check of RSA-Signature

[Wolfgang Denk]

Dear Simon & Ulf,

In message <CAPnjgZ2MH8W05zgHsHXN=ETkEi2hNNZkXk6KdRnet0RebGxXqw at mail.gmail.com> you wrote:
> 
> > 2) Is there a possibility to check the signature/CRC before copying the
> > image to ram with imxtract?
> 
> I'm not sure of the specifics here - sometimes the image must be
> decompressed, etc. so in principle this is tricky to implement (but not
> impossible). Another option might be to zero it afterwards if the check
> fails?

Maybe I misunderstand the question, but: in any case we have to read
the image from a storage device into memory to be able to look at the
data, which is obviously needed for computing a checksum or signature.

Best regards,

Wolfgang Denk

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