In the PlayStation ecosystem, a file is a software package. Think of it as a .exe installer or a .dmg file for your PS3. Sony used these files for:
Copy the .pkg file to the root of your USB drive. Put the .rap file in a folder named exdata (create it if it doesn’t exist).
# Read QA Digest (Hash for integrity) f.seek(self.OFFSET_QA_DIGEST) qa_digest = f.read(16).hex().upper()