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Remote attestation is a method by which a host (client) authenticates it's hardware and software configuration to a remote host (server). The goal of remote attestation is to enable a remote system (challenger) to determine the level of trust in the integrity of platform of another system (attestator).

Key Attestation gives you more confidence that the keys you use in your app are stored in a device's hardware-backed keystore. The following sections describe how to verify the properties of hardware-backed keys and how to interpret the attestation certificate's extension data.

Google's servers send the signed attestation to the SafetyNet Attestation service on the device. The SafetyNet Attestation service returns this signed attestation to your app. Your app forwards the signed attestation to your server. This server validates the response and uses it for anti-abuse decisions.

In the MobileIron Core Admin Portal, you can enable Google SafetyNet attestation on Android devices to verify the integrity of the devices' software and hardware. This action provides Core with the devices' SafetyNet attestation status. With this status, you can: ? Take actions on untrusted devices.

Definitions: The process of providing a digital signature for a set of measurements securely stored in hardware, and then having the requester validate the signature and the set of measurements.

To remedy this, Keymaster introduced key attestation in Android 7.0 (Keymaster 2) and ID attestation in Android 8.0 (Keymaster 3). Key attestation aims to provide a way to strongly determine if an asymmetric key pair is hardware-backed, what the properties of the key are, and what constraints are applied to its usage.

Key Attestation gives you more confidence that the keys you use in your app are stored in a device's hardware-backed keystore. The following sections describe how to verify the properties of hardware-backed keys and how to interpret the attestation certificate's extension data.

This attestation provides assurance that the properties of the device (for example, the serial number) are legitimate (as attested to by the device's Secure Enclave and verified by Apple's servers) and not spoofed.