&gt;it&#x27;s RAM is on chip (not shared with it the main CPU, and probably has ECC)<p>Apple&#x27;s security guide would indicate otherwise, look on page 7. The secure enclave encrypts its portion of memory, but it isn&#x27;t built into the secure enclave itself.<p><a href="https:&#x2F;&#x2F;www.apple.com&#x2F;business&#x2F;docs&#x2F;iOS_Security_Guide.pdf" rel="nofollow">https:&#x2F;&#x2F;www.apple.com&#x2F;business&#x2F;docs&#x2F;iOS_Security_Guide.pdf</a>