Android System Key Verifier: Identity Credentials Integration (v1.251.813208941)

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Key Points of This Article

• Based on our own investigation, we discovered references in the in-app code of the “Android System Key Verifier” app v1.251.813208941 update regarding the integration of the “Identity Credentials” feature.
• The “Android System Key Verifier” app is essentially an identity verification tool for messaging apps like “Google Messages.”
• The integration of the “Identity Credentials” feature into the “Android System Key Verifier” app means that identity verification can now be performed using digital IDs such as “My Number Card” and driver’s licenses.

“Android System Key Verifier” is an Android system app that runs in the background, designed to enhance the security of messaging apps like “Google Messages” on Android devices.

The “Android System Key Verifier” app is pre-installed on Android devices running Android 8.0 Oreo or later. An update to app version v1.251.813208941 for this app was released on Monday, October 6, 2025.

And based on our own investigation of the in-app code from that “Android System Key Verifier” app v1.251.813208941 update, we have discovered references to the integration of the “Identity Credentials” feature.

<meta-data
    android:name="com.google.android.gms.phenotype.heterodyne_info.binarypb:com.google.android.gms.identitycredentials"
    android:resource="@raw/com_google_android_gms_identitycredentials_heterodyne_info"/>
<meta-data
    android:name="com.google.android.gms.phenotype.registration.binarypb:com.google.android.gms.identitycredentials"
    android:resource="@raw/com_google_android_gms_identitycredentials_registration_info"/>

<meta-data
    android:name="com.google.android.gms.phenotype.registration.xml:com.google.android.gms.identitycredentials"
    android:resource="@xml/com_google_android_gms_identitycredentials_phenotype"/>

The “Android System Key Verifier” app is essentially an identity verification tool for messaging apps like “Google Messages.” For example, it enables secure and safe messaging exchanges by performing identity verification using a QR code.

The integration of the “Identity Credentials” feature into the “Android System Key Verifier” app means that it is now possible to perform identity verification using digital IDs like “My Number Card” or a driver’s license. While it is not yet clear how this will be specifically utilized, it’s possible that robust identity verification for “Google Messages” and other services, leveraging the “Identity Credentials” feature of the “Android System Key Verifier” app, will be provided in the future.

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Incidentally, we recently reported that in the app version v1.0.810389536 update for “Android System SafetyCore”—the official Google security core system app for Android devices running Android 9 Pie or later, which manages various user protection features including the scam detection feature in the “Google Messages” app—the definition for the “Identity Credentials” feature was added. This feature serves as the technical foundation for storing official identification documents like “My Number Card” on Android devices. In other words, this means that reliable identity verification can now be performed using the “Android System Key Verifier” app, based on information from a “My Number Card” or driver’s license securely stored on an Android device via the “Android System SafetyCore” app.

And so, these capabilities have now been integrated into the Android OS by the system apps “Android System SafetyCore” and “Android System Key Verifier.”

“Android System Key Verifier” App Link