From: Kai Che <Kai.Che@mixed-mode.de>
To: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: issues verifying FIT image signature
Date: Fri, 2 Nov 2018 15:16:44 +0000 [thread overview]
Message-ID: <1541171808732.30346@mixed-mode.de> (raw)
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.
Best regards
Kai
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next reply other threads:[~2018-11-02 15:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-02 15:16 Kai Che [this message]
2018-11-07 8:01 ` Sascha Hauer
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