That would be a tough one to get a simple answer from.
Legally, they could say "no." because the backdoor might legally be a "lawful intercept" or "super-duper debugging thing" or "cheney's naughty dungeon".
Legally, they could say "no." because the backdoor might legally be a "lawful intercept" or "super-duper debugging thing" or "cheney's naughty dungeon".