Developer Makikatze dropped by the GBATemp forums this week to release Wii U tool WUDecrypt.
What is WUDecrypt
WUDecrypt is an open source tool to decrypt Wii U disc images in the WUD format.
Tools already exist to decrypt those Wii U images provided you have the right set of keys, but they are Windows only. Makikatze’s tool is compatible with Linux and MacOS (and Windows as well). It’s also open source if you feel like contributing. WUDecrypt is programmed in C.
This is a “work in progress” release and the developer mentions the tool will be slow and might crash.
WUDecrypt – Download & use
The source code can be found on the same github repo.
The Readme has the following instructions to run the decryption process:
For wudecrypt to work, you will need a WUD image, the corresponding disc key and the Wii U common key. If you have all of these files, you can run wudecrypt via the following command:
wudecrypt has a fifth optional argument which can be SI, UP, GIor GM depending on which partition types you want to extract. To play the decrypted image, extracting only the GM type partitions should be enough. I mostly introduced this function as the extraction takes a very long time and it tries to avoid a whole lot of data you won’t need.
Source: Makikatze on GBATemp
For wudecrypt to work, you will need a WUD image, the corresponding disc key and the Wii U common key. If you have all of these files, you can run wudecrypt via the following command:
wudecrypt has a fifth optional argument which can be
SI, UP, GIor GM depending on which partition types you want to extract. To play the decrypted image, extracting only the GM type partitions should be enough. I mostly introduced this function as the extraction takes a very long time and it tries to avoid a whole lot of data you won’t need.
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