I think that's fair, as far as the hacking goes.

I was under the impression that it was encrypted for the SHIELD people in specific, which actually is something he'd know and not just be brute force hacking. He ended up working with Nick Fury at Sanctum when he restarted SHIELD (until he was dropped) and also worked with the organization in his own universe.

But if it'd be something entirely off the wall, I can go ahead and delete my response, no problem.