Ok. Apologies for not recognizing your hacker intentions 
I thought somehow you had landed in the wrong wiki page and was trying to do it the hard way.
There’s an easy tweak you can make to download the correct (dwarf) binaries. Under resources/ open file publish.py. Line 83 you have to replace ‘duo’ with the correct binary architecture. So:
r = urlopen('{0}bundles/{1}/aarch64-a35/'.format(release_process_url, bundle_name))
Let me know how that goes.
I’ll look into changing this package to make the device binary an option to be picked from the command line. For now this should get the hacking going…
In case somebody with a duox lands here, the value to use would be: aarch64-a53