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Google Play App Signing

Twixl Support Team Updated: - Created :

    1. About "Play App Signing" by Google

    With Play App Signing, Google manages and protects your app's signing key for you and uses it to sign your APKs/AABs for distribution. It’s a great secure way to store your app signing key that helps to protect you if your key ever gets lost or is compromised.

    When you use Play App Signing, your keys are stored on the same infrastructure that Google uses to store its own keys (keys are protected by Google’s Key Management Service).

    If you lose your keystore or think it may be compromised, Google Play App Signing makes it possible to request a reset to your upload key. If you're not enrolled in Google Play App Signing and you lose your keystore, you'll need to publish a new app with a new package name.

    2. How to opt in to app signing for a new app

    1. Open Play Console.
    2. Select your app.
    3. On the left menu, go to Release > Setup > App integrity.

    Google Play App Signing will be activated by default for a new app.

    If you select Manage app signing, you'll see a number of signing preferences. It is recommended to use the default option: Let Google manage and protect your app signing key.

    Prepare release | Twixl App Signing

    3. How to opt in to app signing for an existing app

    3.1. Enroll in Play App Signing

    1. Open Play Console.
    2. Select your app.
    3. On the left menu, go to Release > Setup > App integrity.
    4. If you haven’t already, review the Terms of Service and select Accept.

    3.2. Send your key to Google

    1. Locate your original app signing key. This is the file called 'app_signing_private_key.pepk' that is included in the build folder of your Android app (as of Twixl Publisher 15.4 or higher).
    2. Open Play Console.
    3. Select an app.
    4. On the left menu, go to Release > Setup > App integrity.
    5. Select the export and upload option that best suits your release process and upload an the app signing key.

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