PDO files contain a byte that tells Pepakura whether it's locked or not, in previous versions it would validate this value against a salted hash of the password to make sure you hadn't tried to tamper with the file and unlock it manually. (Using a hex editor navigate to the offset before the colon, you'll find the values before the arrow there, change them to the values after the arrow and save)įor anyone who cares, something interesting I discovered while debugging the code path for the new PDO format: Manual patching instructions as usual if you don't trust my program:
