How does device attestation work with the secure enclave

Device attestation with the Secure Enclave is a critical component of Apple's security architecture, particularly in the context of private cloud compute. Here's how it works:

1. Secure Enclave: The Secure Enclave protects critical encryption keys and ensures that the operating system is signed and verified, similar to iOS's secure boot process.
2. Trusted Execution Monitor: This ensures that only signed and verified code runs on the device.
3. Attestation Mechanism: This allows a user's device to securely verify the identity and configuration of a private cloud compute cluster before sending any requests. This verification is done using strong cryptographic attestation mechanisms built into Apple silicon.
4. End-to-End Encryption: For each request, the user's device establishes an end-to-end encrypted connection with the private cloud compute cluster. Only the chosen cluster can decrypt the request data, which is not retained after the response is returned and is never accessible to Apple.

For more details, you can refer to the Platforms State of the Union session.

Relevant Sessions

• Platforms State of the Union