diff --git a/src/chatroom-policy-manager.h b/src/chatroom-policy-manager.h
new file mode 100644
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+++ b/src/chatroom-policy-manager.h
@@ -0,0 +1,78 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Yingdi Yu
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Yingdi Yu <yingdi@cs.ucla.edu>
+ */
+
+#ifndef CHATROOM_POLICY_MANAGER_H
+#define CHATROOM_POLICY_MANAGER_H
+
+#include <ndn.cxx/security/policy/policy-manager.h>
+#include <ndn.cxx/security/policy/identity-policy-rule.h>
+#include <ndn.cxx/security/cache/certificate-cache.h>
+#include <ndn.cxx/regex/regex.h>
+#include <map>
+
+#include "endorse-certificate.h"
+
+class ChatroomPolicyManager : public ndn::security::PolicyManager
+{
+public:
+  ChatroomPolicyManager(int stepLimit = 10,
+                        ndn::Ptr<ndn::security::CertificateCache> certificateCache = NULL);
+  
+  virtual
+  ~ChatroomPolicyManager();
+
+  bool 
+  skipVerifyAndTrust (const ndn::Data& data);
+
+  bool
+  requireVerify (const ndn::Data& data);
+
+  ndn::Ptr<ndn::security::ValidationRequest>
+  checkVerificationPolicy(ndn::Ptr<ndn::Data> data, 
+                          const int& stepCount, 
+                          const ndn::DataCallback& verifiedCallback,
+                          const ndn::UnverifiedCallback& unverifiedCallback);
+
+  bool 
+  checkSigningPolicy(const ndn::Name& dataName, 
+                     const ndn::Name& certificateName);
+    
+  ndn::Name 
+  inferSigningIdentity(const ndn::Name& dataName);
+
+  void
+  addTrustAnchor(const EndorseCertificate& selfEndorseCertificate);
+
+private:
+  void 
+  onCertificateVerified(ndn::Ptr<ndn::Data> certData, 
+                        ndn::Ptr<ndn::Data> originalData,
+                        const ndn::DataCallback& verifiedCallback, 
+                        const ndn::UnverifiedCallback& unverifiedCallback);
+
+  void
+  onCertificateUnverified(ndn::Ptr<ndn::Data> certData, 
+                          ndn::Ptr<ndn::Data> originalData,
+                          const ndn::UnverifiedCallback& unverifiedCallback);
+
+private:
+  int m_stepLimit;
+  ndn::Ptr<ndn::security::CertificateCache> m_certificateCache;
+
+  ndn::Ptr<ndn::security::IdentityPolicyRule> m_invitationPolicyRule;
+  ndn::Ptr<ndn::security::IdentityPolicyRule> m_dskRule;
+
+  ndn::Ptr<ndn::Regex> m_keyNameRegex;
+
+  std::map<ndn::Name, ndn::security::Publickey> m_trustAnchors;
+
+};
+
+#endif //CHATROOM_POLICY_MANAGER_H