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Apple Platform Security — The Secure Enclave

Last modified: 2026-10-23

URL: https://support.apple.com/guide/security/the-secure-enclave-sec59b0b31ff/web

Summary

Chapter of Apple's Platform Security Guide describing the Secure Enclave hardware: isolated processor, memory protection engine, boot chain, true random number generator and the Secure Enclave AES/PKA engines. Background for assessing the device-binding guarantees that e-ID wallets on iOS obtain from hardware keys.