iOS Code Signing Giving You A Headache?
Check out the Apple document Troubleshooting Code Signing On iOS. If you’ve ever been down the road of trying to get anything beyond Xcode signing to cooperate (e.g. code signing from the command line), no doubt you’ll fully appreciate the information included in this Apple technical note.
From the basics of code signing to interpreting error messages, there’s something here for most anyone who has run into a code signing issue.