Please follow our Apple Mac instructions to sign your components using your Code Signing certificate:
To sign code for Apple Mac OS X, the codesign binary is used.
1. Double-click on your .pfx certificate file.
2. Import it.
3. Launch terminal.app (located in Utilitaries directory).
3. Sign your application:
codesign -s 'Symantec Inc.' code-path
where Symantec Inc. is the name of your company as it appears in the ISSUED TO field of the certificate (or in Keychain Access) and code-path is the file you want to sign.
You can get some feedback by including the -v option.
4. You can verify the signature with the following command:
codesign -v code-path
You will find more information on Apple's website.