Auditor

(GrapheneOS variant)

67 by GrapheneOS
Dec 9, 2022 Old Versions

About Auditor

Validate device security with hardware-based integrity and identity verification

The Auditor app uses hardware security features on supported devices to validate the integrity of the operating system from another Android device. It will verify that the device is running the stock operating system with the bootloader locked and that no tampering with the operating system has occurred. It will also detect downgrades to a previous version. Supported devices:

See the supported device list for a list of devices which can be verified by using them as the Auditee.

It cannot be bypassed by modifying or tampering with the operating system (OS) because it receives signed device information from the device's Trusted Execution Environment (TEE) or Hardware Security Module (HSM) including the verified boot state, operating system variant and operating system version. The verification is much more meaningful after the initial pairing as the app primarily relies on Trust On First Use via pinning. It also verifies the identity of the device after the initial verification.

See the tutorial for detailed usage instructions. This is included as the Help entry in the app menu. The app also provides basic guidance through the process. See the documentation for a more detailed overview.

What's New in the Latest Version 67

Last updated on Dec 12, 2022
Notable changes in version 67:

• use StrongBox (keystore provided by Titan M2 instead of Trusty TEE) on the Pixel 7 and Pixel 7 Pro for new pairings due to Android 13 QPR1 resolving the key version binding bug where StrongBox attestation stopped working after a security update
• update CameraX library to 1.3.0-alpha02
• update Kotlin Gradle plugin to 1.7.22

See https://github.com/GrapheneOS/Auditor/releases/tag/67 for the release notes.

Additional APP Information

Latest Version

67

Uploaded by

Ako Milano Milano

Requires Android

Android 8.0+

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