diff --git a/include/ndn-cpp/security/identity/basic-identity-storage.hpp b/include/ndn-cpp/security/identity/basic-identity-storage.hpp
index 476df56..4954f01 100644
--- a/include/ndn-cpp/security/identity/basic-identity-storage.hpp
+++ b/include/ndn-cpp/security/identity/basic-identity-storage.hpp
@@ -178,6 +178,22 @@
   virtual void 
   setDefaultCertificateNameForKey(const Name& keyName, const Name& certificateName);  
 
+
+  virtual std::vector<Name>
+  getAllIdentities(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllKeyNames(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllKeyNamesOfIdentity(const Name& identity, bool isDefault);
+    
+  virtual std::vector<Name>
+  getAllCertificateNames(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllCertificateNamesOfKey(const Name& keyName, bool isDefault);
+  
 private:
 
   virtual void
diff --git a/include/ndn-cpp/security/identity/identity-storage.hpp b/include/ndn-cpp/security/identity/identity-storage.hpp
index d54bc10..3c298c8 100644
--- a/include/ndn-cpp/security/identity/identity-storage.hpp
+++ b/include/ndn-cpp/security/identity/identity-storage.hpp
@@ -184,6 +184,23 @@
    */
   virtual void 
   setDefaultCertificateNameForKey(const Name& keyName, const Name& certificateName) = 0;  
+
+  
+  virtual std::vector<Name>
+  getAllIdentities(bool isDefault) = 0;
+
+  virtual std::vector<Name>
+  getAllKeyNames(bool isDefault) = 0;
+
+  virtual std::vector<Name>
+  getAllKeyNamesOfIdentity(const Name& identity, bool isDefault) = 0;
+    
+  virtual std::vector<Name>
+  getAllCertificateNames(bool isDefault) = 0;
+    
+  virtual std::vector<Name>
+  getAllCertificateNamesOfKey(const Name& keyName, bool isDefault) = 0;
+
 };
 
 }
diff --git a/include/ndn-cpp/security/identity/memory-identity-storage.hpp b/include/ndn-cpp/security/identity/memory-identity-storage.hpp
index 60837ff..5027a73 100644
--- a/include/ndn-cpp/security/identity/memory-identity-storage.hpp
+++ b/include/ndn-cpp/security/identity/memory-identity-storage.hpp
@@ -163,6 +163,21 @@
    */
   virtual void 
   setDefaultCertificateNameForKey(const Name& keyName, const Name& certificateName);  
+
+  virtual std::vector<Name>
+  getAllIdentities(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllKeyNames(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllKeyNamesOfIdentity(const Name& identity, bool isDefault);
+    
+  virtual std::vector<Name>
+  getAllCertificateNames(bool isDefault);
+
+  virtual std::vector<Name>
+  getAllCertificateNamesOfKey(const Name& keyName, bool isDefault);
   
 private:
   class KeyRecord {