-void silc_server_config_register_ciphers(SilcServerConfig config);
-void silc_server_config_register_pkcs(SilcServerConfig config);
-void silc_server_config_register_hashfuncs(SilcServerConfig config);
-void silc_server_config_register_hmacs(SilcServerConfig config);
+bool silc_server_config_register_ciphers(SilcServerConfig config);
+bool silc_server_config_register_pkcs(SilcServerConfig config);
+bool silc_server_config_register_hashfuncs(SilcServerConfig config);
+bool silc_server_config_register_hmacs(SilcServerConfig config);