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User:CM360/sandbox/Wii U Creating homebrew channels: Difference between revisions

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(Start on NUSPacker section)
(Fill out CDecrypt section)
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== Section I - CDecrypt ==
== Section I - CDecrypt ==
# Unzip the Homebrew Launcher Channel (will be referred to as the HBLC from here)
# Unzip the Homebrew Launcher Channel (will be referred to as the HBLC from here)
#* You can rename the containing folder for organizational purposes. For these instructions, we will rename it from <code>homebrew_launcher_channel.v2.1</code> to <code>my-cool-app</code>
# Unzip CDecrypt
# Unzip CDecrypt
# Create a file named <code>keys.txt</code> in the same directory as the CDecrypt executable, and paste the Wii U Common Key on the first line
# Create a file named <code>keys.txt</code> in the same directory as the CDecrypt executable, and paste the Wii U Common Key on the first line
# Open a terminal and navigate to the location of the CDecrypt executable
# Open a terminal and navigate to the location of the CDecrypt executable
# Use CDecrypt to decrypt the contents of the HBLC
# Use CDecrypt to decrypt the contents of the HBLC
#* For example, if you have the contents of the HBLC in a folder named <code>my-cool-app</code>, the command would be something like: <code>CDecrypt "/path/to/my-cool-app/" "/path/to/my-cool-app/"</code>
#* For example, if you unzipped the HBLC to a folder named <code>homebrew_launcher_channel.v2.1</code>, the command would be something like: <code>CDecrypt "/path/to/homebrew_launcher_channel.v2.1" "/path/to/homebrew_launcher_channel.v2.1"</code>
#* The folder with the HBLC's contents should now contain three new folders: <code>code</code>, <code>content</code>, and <code>meta</code>. Delete everything in this directory <strong>except</strong> these three folders
#* The folder you unzipped the HBLC into originally should now contain three new folders: <code>code</code>, <code>content</code>, and <code>meta</code>. Delete everything in the HBLC's directory <strong>except</strong> these three folders
#* PLACEHOLDER FOR WHAT TO DO IF COMMON KEY IS WRONG


== Section II - Editing code files ==
== Section II - Editing code files ==
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== Section IV - NUSPacker ==
== Section IV - NUSPacker ==
# Open a terminal and navigate to the location of <code>NUSPacker.jar</code>
# Use NUSPacker to rebuild
#* For example, if the directory of your edited HBLC is <code>my-cool-app</code>, the command would be something like: <code>java -jar NUSPacker.jar -in "/path/to/my-cool-app/" -out "/path/to/my-cool-app/" -encryptKeyWith XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX</code> (replace the XXXX... with the Wii U Common Key)

Revision as of 18:05, 15 October 2022

What You Need

  • The latest release of phacoxcll's CDecrypt fork (the CDecrypt.zip file)
    • Only a Windows build is provided, Mac and Linux users may need to manually compile the source code.
  • The latest release of NUSPacker (direct download)
    • NUSPacker requires that you have Java installed on your system to work.
  • An image editor that supports the .tga image format
  • The MetaVerify.py script (click "Download ZIP" on the GitHub page to download)
    • This script requires that you have Python 3.7.4+ installed on your system to work.
  • The Homebrew Launcher Channel v2.1 (direct download)
  • The .rpx file of whichever homebrew program you are making a channel for
  • The Wii U Common Key
    • This is in the otp.bin file from your console's NAND dump. Extract it using this Common Key Extractor. Copy the key and save it in a text file somewhere; it will be needed later.
    • If you cannot get the extractor to work, the key can also be obtained by opening otp.bin in a hex editor, and is located at offsets 0x000000E0 to 0x000000EF. If extracted correctly, it should be a 32-character long hexadecimal number starting with D7B0.

Section I - CDecrypt

  1. Unzip the Homebrew Launcher Channel (will be referred to as the HBLC from here)
  2. Unzip CDecrypt
  3. Create a file named keys.txt in the same directory as the CDecrypt executable, and paste the Wii U Common Key on the first line
  4. Open a terminal and navigate to the location of the CDecrypt executable
  5. Use CDecrypt to decrypt the contents of the HBLC
    • For example, if you unzipped the HBLC to a folder named homebrew_launcher_channel.v2.1, the command would be something like: CDecrypt "/path/to/homebrew_launcher_channel.v2.1" "/path/to/homebrew_launcher_channel.v2.1"
    • The folder you unzipped the HBLC into originally should now contain three new folders: code, content, and meta. Delete everything in the HBLC's directory except these three folders

Section II - Editing code files

Section III - Editing meta files

Section IV - NUSPacker

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