Auditor

Hardware-based attestation and intrusion detection app for Android. It provides both local verification with another Android device via QR codes and optional scheduled server-based verification with support for alert emails. It uses hardware-backed keys and attestation support as the foundation and chains trust to the app for software checks.

From GrapheneOS·Updated May 31, 2026·View on GitHub·

See the overview of the project at https://attestation.app/about. The project is written primarily in Java, distributed under the MIT License license, first published in 2018. Key topics include: android, attestation, authenticity, cryptography, grapheneos.