diff --git a/src/client-module.hpp b/src/client-module.hpp
index 57ae01f..f45b034 100644
--- a/src/client-module.hpp
+++ b/src/client-module.hpp
@@ -71,7 +71,7 @@
   generateInfoInterest(const Name& caName);
 
   bool
-  verifyProbeInfoResponse(const Data& reply);
+  verifyInfoResponse(const Data& reply);
 
   /**
    * @brief Process the replied PROBE INFO Data packet
@@ -80,7 +80,7 @@
    * can be verified in later challenge phase.
    */
   void
-  addCaFromProbeInfoResponse(const Data& reply);
+  addCaFromInfoResponse(const Data& reply);
 
   shared_ptr<Interest>
   generateProbeInterest(const ClientCaItem& ca, const std::string& probeInfo);
@@ -97,7 +97,7 @@
   onNewResponse(const Data& reply);
 
   shared_ptr<Interest>
-  generateChallengeInterest(const JsonSection& paramJson);
+  generateChallengeInterest(const Block& paramTLV);
 
   void
   onChallengeResponse(const Data& reply);
@@ -145,7 +145,7 @@
   std::string m_challengeStatus = "";
   std::string m_challengeType = "";
   std::string m_certId = "";
-  std::string m_issuedCertName = "";
+  Name m_issuedCertName;
   std::list<std::string> m_challengeList;
   bool m_isCertInstalled = false;
   bool m_isNewlyCreatedIdentity = false;