2.out.mobileconfig outputs the signed file.
3.p 12.pem signature key
4. capplewdrca.pem root certificate
Describe file format
blogs.com/mafeng/p/6552523.html
Parsing openssl command
/thread/4907079
/iphone-OTA-configuration/iphone-OTA-setup-with-signed-mobile config . html
/IR bull/08339 ddcd 5686 f 509 e 9826964 b 17bb 59