rgg_save_tool_py

A tool for encrypting and decrypting RGG studios game saves.

Original Tool by @SutandoTsukai181

Original decryption code from here by simontime. I added proper checksum calculation and automatic game detection to the code, and converted it to python.

• Yakuza 6 Key discovered by @jason098
• Judgment Key discovered by @Ret-HZ
• Lost Judgment Key discovered by @jason098
• Ishin Key discovered by @Ret-HZ
• YLAD GOG Key discovered by @Timo654
• Yakuza Kiwami 2 Key discovered by @simontime
• Like a Dragon: Infinite Wealth Key discovered by Committee of Nerds

Finding save keys

In Ghidra

• Search for a function called: "GetFileTime", and scroll up on each xref, find a string in that function. If not find the next.
• Find strings for: "%s/%s/save%03d_icon0.dds" and scroll up on each xref, to find "GetFileTime" and search for a string.