- * Obtain the SSLClientAuthenticationType actually performed.
- * Only valid if client certificate state is kSSLClientCertSent
- * or kSSLClientCertRejected; SSLClientAuthNone is returned as
- * the negotiated auth type otherwise.
+ * -- DEPRECATED --
+ * This is not actually useful. Currently return errSecUnimplemented.
+ * The client auth type is fully determined by the type of private key used by
+ * the client.