security: Allow reloading ValidationPolicyConfig / ValidatorConfig

Change-Id: Idba53c0b4e2cf645d3d0e6c76c57a1b54995462a
Refs: #4261
diff --git a/src/security/v2/validator.hpp b/src/security/v2/validator.hpp
index 6dfe8a8..14e9c7f 100644
--- a/src/security/v2/validator.hpp
+++ b/src/security/v2/validator.hpp
@@ -1,5 +1,5 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
-/**
+/*
  * Copyright (c) 2013-2017 Regents of the University of California.
  *
  * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
@@ -137,6 +137,12 @@
              time::nanoseconds refreshPeriod, bool isDir = false);
 
   /**
+   * @brief remove any previously loaded static or dynamic trust anchor
+   */
+  void
+  resetAnchors();
+
+  /**
    * @brief Cache verified @p cert a period of time (1 hour)
    *
    * @todo Add ability to customize time period
@@ -144,6 +150,12 @@
   void
   cacheVerifiedCertificate(Certificate&& cert);
 
+  /**
+   * @brief Remove any cached verified certificates
+   */
+  void
+  resetVerifiedCertificates();
+
 private: // Common validator operations
   /**
    * @brief Recursive validation of the certificate in the certification chain