Hi Kai,
On Fri, Nov 02, 2018 at 03:16:44PM +0000, Kai Che wrote:
> Hi all,
>
> I'm trying to verify the signature of a FIT image in barebox.
>
> I created the FIT image with the following .its file:
>
> ...
> configurations {
> default = "config@1";
> config@1 {
> description = "Boot Raspian kernel";
> kernel = "kernel";
> fdt = "fdt-1";
> signature@1 {
> algo = "sha256,rsa2048";
> key-name-hint = "dev";
> sign-images = "fdt", "kernel";
> ...
>
> Verifying the Hashes for the kernel and fdt-1 works fine ("hash OK"
> for both images) , but when I try to verify the signature I get the
> follwoing error:
>
> ERROR: FIT: hashed-strings start not found in /configurations/config@1/signature@1
>
> I could follow the error back to the fit_verify_signature function in
> /common/image-fit.c file, but I don't understand what is causing the
> error.
>
> Is the function looking for a string called "hashed-strings" in the
> FIT image file? I checked the .fit file (with hexdump) and I could
> only find the string "hash@1" which barebox uses to verify the
> signature.
No idea what went wrong. Which options did you pass to mkimage?
Sascha
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