Final Fantasy VII Remake Demo .pkg passcode decrypting

[RevolverOcelo]

I'm looking to figure out the passcode for the Final Fantasy VII Remake March demo, in order to get access to the internal files and cross check differences between the leaked demo and new version, plus get the new OST as it does have differences as well. Wall Break has done the FFVII Remake demo (https://www.youtube.com/watch?v=LIyC5md7ho0), showing it's indeed possible to grab the passcode on this version.