security: Added NoVerifyPolicyManager.
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