diff --git a/src/ndncert-common.hpp b/src/ndncert-common.hpp
index ec77188..43f59d8 100644
--- a/src/ndncert-common.hpp
+++ b/src/ndncert-common.hpp
@@ -113,11 +113,14 @@
 const std::string CONFIG_CA_PREFIX = "ca-prefix";
 const std::string CONFIG_CA_INFO = "ca-info";
 const std::string CONFIG_MAX_VALIDITY_PERIOD = "max-validity-period";
+const std::string CONFIG_MAX_SUFFIX_LENGTH = "max-suffix-length";
 const std::string CONFIG_PROBE_PARAMETERS = "probe-parameters";
 const std::string CONFIG_PROBE_PARAMETER = "probe-parameter-key";
 const std::string CONFIG_SUPPORTED_CHALLENGES = "supported-challenges";
 const std::string CONFIG_CHALLENGE = "challenge";
-const std::string CONFIG_MAX_SUFFIX_LENGTH = "max-suffix-length";
+const std::string CONFIG_CERTIFICATE = "certificate";
+const std::string CONFIG_REDIRECTION = "redirect-to";
+
 
 // NDNCERT Status Enum
 enum class Status : uint16_t {