+ /** Get the SSL certificate of a user
+ * @param user The user whose certificate to get, user may be remote
+ * @return The SSL certificate of the user or NULL if the user is not using SSL
+ */
+ virtual ssl_cert* GetCertificate(User* user) = 0;
+
+ /** Get the key fingerprint from a user's certificate
+ * @param user The user whose key fingerprint to get, user may be remote
+ * @return The key fingerprint from the user's SSL certificate or an empty string
+ * if the user is not using SSL or did not provide a client certificate
+ */
+ std::string GetFingerprint(User* user)