diff --git a/utils/dummy-keychain.cpp b/utils/dummy-keychain.cpp
index 02a3fad..3f62a4e 100644
--- a/utils/dummy-keychain.cpp
+++ b/utils/dummy-keychain.cpp
@@ -251,6 +251,13 @@
   return make_shared<Buffer>(DUMMY_SIGNATURE, sizeof(DUMMY_SIGNATURE));
 }
 
+bool
+DummyKeyHandle::doVerify(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t bufLen,
+                         const uint8_t* sig, size_t sigLen) const
+{
+  throw Error("Not supported");
+}
+
 ConstBufferPtr
 DummyKeyHandle::doDecrypt(const uint8_t* cipherText, size_t cipherTextLen) const
 {
@@ -329,6 +336,12 @@
   throw Error("Not supported");
 }
 
+void
+DummyTpm::doImportKey(const Name& keyName, shared_ptr<transform::PrivateKey> key)
+{
+  throw Error("Not supported");
+}
+
 std::string
 DummyTpm::getScheme()
 {
diff --git a/utils/dummy-keychain.hpp b/utils/dummy-keychain.hpp
index e71d083..7f8b0a3 100644
--- a/utils/dummy-keychain.hpp
+++ b/utils/dummy-keychain.hpp
@@ -147,6 +147,10 @@
   ConstBufferPtr
   doSign(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t size) const final;
 
+  bool
+  doVerify(DigestAlgorithm digestAlgorithm, const uint8_t* buf, size_t bufLen,
+           const uint8_t* sig, size_t sigLen) const final;
+
   ConstBufferPtr
   doDecrypt(const uint8_t* cipherText, size_t cipherTextLen) const final;
 
@@ -209,6 +213,9 @@
   void
   doImportKey(const Name& keyName, const uint8_t* pkcs8, size_t pkcs8Len, const char* pw, size_t pwLen) final;
 
+  void
+  doImportKey(const Name& keyName, shared_ptr<transform::PrivateKey> key) final;
+
 public:
   static const std::string SCHEME;
 };
diff --git a/utils/topology/annotated-topology-reader.hpp b/utils/topology/annotated-topology-reader.hpp
index 343743d..2f066dc 100644
--- a/utils/topology/annotated-topology-reader.hpp
+++ b/utils/topology/annotated-topology-reader.hpp
@@ -25,6 +25,7 @@
 #include "ns3/topology-reader.h"
 #include "ns3/random-variable-stream.h"
 #include "ns3/object-factory.h"
+#include "ns3/node-container.h"
 
 namespace ns3 {