what is cryptographic proof in app attest
Asked on 04/10/2025
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Cryptographic proof in the context of app attestation refers to mechanisms that allow a user's device to securely verify the identity and configuration of a private cloud compute cluster before sending a request. This is part of Apple's security architecture, which ensures that only signed and verified code runs on the device, and that the device communicates securely with the cloud. The attestation process involves establishing an end-to-end encrypted connection, ensuring that only the chosen cluster can decrypt the request data, which is not retained after the response is returned and is never accessible to Apple. This is discussed in the Platforms State of the Union session.
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