Gets the public key associated with the given private key.
- iOS 10.0+
- macOS 10.12+
- Mac Catalyst 13.0+Beta
- tvOS 10.0+
- watchOS 3.0+
The private key for which you want the corresponding public key.
The public key corresponding to the given private key. Call the
CFRelease function to free this key's memory when you are done with it.