diff --git a/src/validator-panel.hpp b/src/validator-panel.hpp
new file mode 100644
index 0000000..1277ffe
--- /dev/null
+++ b/src/validator-panel.hpp
@@ -0,0 +1,71 @@
+/* -*- 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 CHRONOS_VALIDATOR_PANEL_HPP
+#define CHRONOS_VALIDATOR_PANEL_HPP
+
+#include "common.hpp"
+
+#include <ndn-cxx/security/validator.hpp>
+#include <ndn-cxx/security/sec-rule-relative.hpp>
+#include <ndn-cxx/security/certificate-cache.hpp>
+
+#include "endorse-certificate.hpp"
+
+namespace chronos {
+
+class ValidatorPanel : public ndn::Validator
+{
+public:
+
+  static const shared_ptr<ndn::CertificateCache> DEFAULT_CERT_CACHE;
+
+  ValidatorPanel(int stepLimit = 10,
+                 const shared_ptr<ndn::CertificateCache> cache = DEFAULT_CERT_CACHE);
+
+  ~ValidatorPanel()
+  {
+  }
+
+  void
+  addTrustAnchor(const EndorseCertificate& selfEndorseCertificate);
+
+  void
+  removeTrustAnchor(const Name& keyName);
+
+protected:
+  virtual void
+  checkPolicy(const Data& data,
+              int stepCount,
+              const ndn::OnDataValidated& onValidated,
+              const ndn::OnDataValidationFailed& onValidationFailed,
+              std::vector<shared_ptr<ndn::ValidationRequest> >& nextSteps);
+
+  virtual void
+  checkPolicy(const Interest& interest,
+              int stepCount,
+              const ndn::OnInterestValidated& onValidated,
+              const ndn::OnInterestValidationFailed& onValidationFailed,
+              std::vector<shared_ptr<ndn::ValidationRequest> >& nextSteps)
+  {
+    onValidationFailed(interest.shared_from_this(),
+                       "No rules for interest.");
+  }
+
+private:
+  int m_stepLimit;
+  shared_ptr<ndn::CertificateCache> m_certificateCache;
+  shared_ptr<ndn::SecRuleRelative> m_endorseeRule;
+  std::map<Name, ndn::PublicKey> m_trustAnchors;
+};
+
+} // namespace chronos
+
+#endif // CHRONOS_VALIDATOR_PANEL_HPP