Alternatively you can also RTFM before complaining about secrecy... https://www.apple.com/business/docs/iOS_Security_Guide.pdf https://www.apple.com/business/do

Alternatively you can also RTFM before complaining about secrecy... https://www.apple.com/business/docs/iOS_Security_Guide.pdf https://www.apple.com/business/docs/iOS_Security_Guide.pdf Of course that will never be as audit friendly as an Open-Source code. But don't call it a secret, while you actually just didn't search for the information...