[syslinux] Kernel Image CRC checking

[Gene Cumm]

On Sat, May 25, 2019 at 8:33 AM Johann Obermayr via Syslinux
<syslinux at syslinux.org> wrote:
>
> Hello,
>
> Is there a function to check a bzImage CRC ?
>
> If (ImageCRC("/bzImage") == -1)
>                 Load_kernel("/BACKUP/bzImage") or what else
>
> Thanks
>
> Regards
> Johann

It doesn't appear so.  I'm assuming you're referring to the CRC32
present in Linux x86 boot protocol 2.08+ found in Linux versions
2.6.26+ ?  libupload has a CRC-16 function.  zlib has a CRC-32
function but looks like it's initialized with different
polynomial/remainder.

-- 
-Gene