Signing Key Generator

Use this script to generate keys to sign your ROMS

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How to Use

1. Run the Script in your rom directory

git clone https://github.com/xenxynon/keygen
./keygen/keygen.sh

2. Choose Key Storage Directory

You can specify a custom directory or use the default (~/.android-certs).

3. Choose Subject Information

❯ Use this sample subject? (/C=US/ST=California/L=Mountain View/O=Android/OU=Android/CN=Android/emailAddress=android@android.com) (Y/n): y
✔ Using sample subject.

• Use a predefined sample subject (recommended for quick setup)
• Or manually enter details (Country, State, Organization, etc.)

4. Password

• You can choose to password-protected the keys or generate them without a password (recommended).

5. Keys Are Generated

📌 Generating keys in: /home/user/.android-certs
──────────────────────────────────────────────
  🔑 Generating: platform... ✔ Done.
  🔑 Generating: media... ✔ Done.
  🔑 Generating: verity... ✔ Done.
✔ All keys generated successfully!

6. Include Generated Keys in Build System

A keys.mk file is automatically created. To use it, add the following to your device tree or vendor makefile:

include <your/key/path>/keys.mk

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MISC

• Script not executable?

  chmod +x keygen/keygen.sh

• Make sure dependencies are installed. The script requires openssl, python basic shell utilities.
• If build fails due to keys, check that the generated keys are correctly referenced in your build configuration.

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All the references are from:

AOSP & LineageOS