Yes, you can’t extract it, the Secure Enclave can just create a key and has it to sign stuff. You can never actually grab it or access it for backing up, so it

Yes, you can’t extract it, the Secure Enclave can just create a key and has it to sign stuff. You can never actually grab it or access it for backing up, so it shouldn’t be your only way of accessing a server, there should be another authorised key that you do have access to.