[Celinux-dev] RFC - Secure Bootloader patch

Wolfgang Denk wd at denx.de
Tue Aug 22 14:35:18 PDT 2006


Dear Steven,

in message <w7irkkmtlk.fsf at gidney.research.panasonic.com> you wrote:
> At OLS last month I demoed a Secure Boot Loader that was based on a
> u-boot that had been modified to verify an image signature using a
> SHA1 digest and RSA encryption/decryption.  Because I could find the
> information fairly easily about SHA1 and RSA from the OpenSSL package,
> that's what I used.  Hence, the modified u-boot ran quite quickly, but
> was rather large.  I'm including the u-boot patch in this message so
> that others can look at it for ways to cut the size.  The eventual
> goal is to release this patch to the community.

Thanks - may I ask why you don't post this  (as  is)  on  the  U-Boot
mailing  list?  I'm  pretty sure there are some interested developers
there...

Best regards,

Wolfgang Denk

-- 
Software Engineering:  Embedded and Realtime Systems,  Embedded Linux
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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