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Add device integrity/verification tools (#2315)

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Signed-off-by: Daniel Gray <dngray@privacyguides.org>
Signed-off-by: Freddy <freddy@privacyguides.org>
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Jonah Aragon 2023-10-23 19:40:44 -05:00 • committed by Daniel Gray
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docs/android.md
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@ -216,40 +216,6 @@ We recommend a wide variety of Android apps throughout this site. The apps liste
When using Shelter, you are placing complete trust in its developer, as Shelter acts as a [Device Admin](https://developer.android.com/guide/topics/admin/device-admin) to create the Work Profile, and it has extensive access to the data stored within the Work Profile.
### Auditor
!!! recommendation
![Auditor logo](assets/img/android/auditor.svg#only-light){ align=right }
![Auditor logo](assets/img/android/auditor-dark.svg#only-dark){ align=right }
**Auditor** is an app which leverages hardware security features to provide device integrity monitoring by actively validating the identity of a device and the integrity of its operating system. Currently, it only works with GrapheneOS or the stock operating system for [supported devices](https://attestation.app/about#device-support).
[:octicons-home-16: Homepage](https://attestation.app){ .md-button .md-button--primary }
[:octicons-eye-16:](https://attestation.app/privacy-policy){ .card-link title="Privacy Policy" }
[:octicons-info-16:](https://attestation.app/about){ .card-link title=Documentation}
[:octicons-code-16:](https://attestation.app/source){ .card-link title="Source Code" }
[:octicons-heart-16:](https://attestation.app/donate){ .card-link title=Contribute }
??? downloads
- [:simple-googleplay: Google Play](https://play.google.com/store/apps/details?id=app.attestation.auditor.play)
- [:simple-github: GitHub](https://github.com/GrapheneOS/Auditor/releases)
- [:material-cube-outline: GrapheneOS App Store](https://github.com/GrapheneOS/Apps/releases)
Auditor performs attestation and intrusion detection by:
- Using a [Trust On First Use (TOFU)](https://en.wikipedia.org/wiki/Trust_on_first_use) model between an *auditor* and *auditee*, the pair establish a private key in the [hardware-backed keystore](https://source.android.com/security/keystore/) of the *Auditor*.
- The *auditor* can either be another instance of the Auditor app or the [Remote Attestation Service](https://attestation.app).
- The *auditor* records the current state and configuration of the *auditee*.
- Should tampering with the operating system of the *auditee* happen after the pairing is complete, the auditor will be aware of the change in the device state and configurations.
- You will be alerted to the change.
No personally identifiable information is submitted to the attestation service. We recommend that you sign up with an anonymous account and enable remote attestation for continuous monitoring.
If your [threat model](basics/threat-modeling.md) requires privacy, you could consider using [Orbot](tor.md#orbot) or a VPN to hide your IP address from the attestation service.
To make sure that your hardware and operating system is genuine, [perform local attestation](https://grapheneos.org/install/web#verifying-installation) immediately after the device has been installed and prior to any internet connection.
### Secure Camera
!!! recommendation