[OpenWrt-Devel] ath79: ubnt factory images with attached signatures

Paul Spooren mail at aparcar.org
Mon Oct 7 01:38:41 EDT 2019


I'm currently working on the reproducibility of OpenWrt snapshot images 
and packages and came across the following problem:

Some of the ath79 images have a signature attached to the factory images 
which is pointless as stock roms wont evaluate those anyway. However, as 
these factory images are padded after signature attaching the fwtool 
fails to replace them. An example of the situation is here[0].

This seems to be the case as the factory images simplify perform 
modifications on top of the sysupgrade images.

I'm not familiar enough with the build process, so if anyone would be up 
for help please let me know!

The affected profiles are

- ubnt_lap-120
- ubnt_nanobeam-ac
- ubnt_nanostation-ac-loco
- ubnt_nanostation-ac



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