iOS代码签名:Code Signing（iPa文件签名）

Use the security command to view such certificates in the system

security find-identity -v -p codesigning

Use the above identity to sign the file through codesign command

codesign -f -s 'iPhone Developer: Bank of Beijing Co.,Ltd.' xxx.app

View signature

codesign -vv -d xxx.app

Check whether the current signature is perfect, that is, it is not damaged

codesign --verify xxx.app