D
Deleted member 29692
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Apples implementation is very good. They have a custom chip which handles a lot of it. Not even apple knows the UID of a device. See page 7
https://www.apple.com/business/docs/iOS_Security_Guide.pdf
I didn't realise it was quite that good.
That document also provides the comprehensive technical explanation for the "error 53" story that people were getting so excited about the other day. I suppose the monkeys carrying out the unauthorised repairs just assumed it was another plug and play component.