diff --git a/ndn-cpp/security/policy/no-verify-policy-manager.cpp b/ndn-cpp/security/policy/no-verify-policy-manager.cpp
new file mode 100644
index 0000000..172845e
--- /dev/null
+++ b/ndn-cpp/security/policy/no-verify-policy-manager.cpp
@@ -0,0 +1,52 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "no-verify-policy-manager.hpp"
+
+using namespace std;
+using namespace ndn::ptr_lib;
+
+namespace ndn {
+
+NoVerifyPolicyManager::~NoVerifyPolicyManager()
+{
+}
+
+bool 
+NoVerifyPolicyManager::skipVerifyAndTrust(const Data& data)
+{ 
+  return true; 
+}
+
+bool
+NoVerifyPolicyManager::requireVerify(const Data& data)
+{ 
+  return false; 
+}
+    
+shared_ptr<ValidationRequest>
+NoVerifyPolicyManager::checkVerificationPolicy
+  (const shared_ptr<Data>& data, const int& stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed)
+{ 
+  onVerified(data); 
+  return shared_ptr<ValidationRequest>();
+}
+
+bool 
+NoVerifyPolicyManager::checkSigningPolicy(const Name& dataName, const Name& certificateName)
+{ 
+  return true; 
+}
+
+Name 
+NoVerifyPolicyManager::inferSigningIdentity(const Name& dataName)
+{ 
+  return Name(); 
+}
+
+}
diff --git a/ndn-cpp/security/policy/no-verify-policy-manager.hpp b/ndn-cpp/security/policy/no-verify-policy-manager.hpp
new file mode 100644
index 0000000..8b72eda
--- /dev/null
+++ b/ndn-cpp/security/policy/no-verify-policy-manager.hpp
@@ -0,0 +1,72 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_NO_VERIFY_POLICY_MANAGER_HPP
+#define	NDN_NO_VERIFY_POLICY_MANAGER_HPP
+
+#include "policy-manager.hpp"
+
+namespace ndn {
+
+class NoVerifyPolicyManager : public PolicyManager {
+public:
+  /**
+   * The virtual destructor.
+   */
+  virtual
+  ~NoVerifyPolicyManager();
+
+  /**
+   * Override to always skip verification and trust as valid.
+   * @param data The received data packet.
+   * @return true.
+   */
+  virtual bool 
+  skipVerifyAndTrust(const Data& data);
+
+  /**
+   * Override to return false for no verification rule for the received data.
+   * @param data The received data packet.
+   * @return false.
+   */
+  virtual bool
+  requireVerify(const Data& data);
+
+  /**
+   * Override to call onVerified(data) and to indicate no further verification step.
+   * @param data The Data object with the signature to check.
+   * @param stepCount The number of verification steps that have been done, used to track the verification progress.
+   * @param onVerified This does override to call onVerified(data).
+   * @param onVerifyFailed Override to ignore this.
+   * @return null for no further step.
+   */
+  virtual ptr_lib::shared_ptr<ValidationRequest>
+  checkVerificationPolicy
+    (const ptr_lib::shared_ptr<Data>& data, const int& stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed);
+    
+  /**
+   * Override to always indicate that the signing certificate name and data name satisfy the signing policy.
+   * @param dataName The name of data to be signed.
+   * @param certificateName The name of signing certificate.
+   * @return true to indicate that the signing certificate can be used to sign the data.
+   */
+  virtual bool 
+  checkSigningPolicy(const Name& dataName, const Name& certificateName);
+    
+  /**
+   * Override to indicate that the signing identity cannot be inferred.
+   * @param dataName The name of data to be signed.
+   * @return An empty name because cannot infer. 
+   */
+  virtual Name 
+  inferSigningIdentity(const Name& dataName);
+};
+
+}
+
+#endif
diff --git a/ndn-cpp/security/policy/policy-manager.hpp b/ndn-cpp/security/policy/policy-manager.hpp
new file mode 100644
index 0000000..458f84f
--- /dev/null
+++ b/ndn-cpp/security/policy/policy-manager.hpp
@@ -0,0 +1,79 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/**
+ * Copyright (C) 2013 Regents of the University of California.
+ * @author: Yingdi Yu <yingdi@cs.ucla.edu>
+ * @author: Jeff Thompson <jefft0@remap.ucla.edu>
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NDN_POLICY_MANAGER_HPP
+#define	NDN_POLICY_MANAGER_HPP
+
+#include "../../data.hpp"
+#include "../key-chain.hpp"
+
+namespace ndn {
+
+class ValidationRequest;
+  
+/**
+ * A PolicyManager is an abstract base class to represent the policy for verifying data packets.
+ * You must create an object of a subclass.
+ */
+class PolicyManager {
+public:
+  /**
+   * The virtual destructor.
+   */
+  virtual
+  ~PolicyManager() {}
+
+  /**
+   * Check if the received data packet can escape from verification and be trusted as valid.
+   * @param data The received data packet.
+   * @return true if the data does not need to be verified to be trusted as valid, otherwise false.
+   */
+  virtual bool 
+  skipVerifyAndTrust(const Data& data) = 0;
+
+  /**
+   * Check if this PolicyManager has a verification rule for the received data.
+   * @param data The received data packet.
+   * @return true if the data must be verified, otherwise false.
+   */
+  virtual bool
+  requireVerify(const Data& data) = 0;
+
+  /**
+   * Check whether the received data packet complies with the verification policy, and get the indication of the next verification step.
+   * @param data The Data object with the signature to check.
+   * @param stepCount The number of verification steps that have been done, used to track the verification progress.
+   * @param onVerified If the signature is verified, this calls onVerified(data).
+   * @param onVerifyFailed If the signature check fails, this calls onVerifyFailed(data).
+   * @return the indication of next verification step, null if there is no further step.
+   */
+  virtual ptr_lib::shared_ptr<ValidationRequest>
+  checkVerificationPolicy
+    (const ptr_lib::shared_ptr<Data>& data, const int& stepCount, const OnVerified& onVerified, const OnVerifyFailed& onVerifyFailed) = 0;
+    
+  /**
+   * Check if the signing certificate name and data name satisfy the signing policy.
+   * @param dataName The name of data to be signed.
+   * @param certificateName The name of signing certificate.
+   * @return true if the signing certificate can be used to sign the data, otherwise false.
+   */
+  virtual bool 
+  checkSigningPolicy(const Name& dataName, const Name& certificateName) = 0;
+    
+  /**
+   * Infer the signing identity name according to the policy. If the signing identity cannot be inferred, return an empty name.
+   * @param dataName The name of data to be signed.
+   * @return The signing identity or an empty name if cannot infer. 
+   */
+  virtual Name 
+  inferSigningIdentity(const Name& dataName) = 0;
+};
+
+}
+
+#endif