diff --git a/src/security/signing-info.cpp b/src/security/signing-info.cpp
index eb8232b..ec17cda 100644
--- a/src/security/signing-info.cpp
+++ b/src/security/signing-info.cpp
@@ -185,5 +185,14 @@
   return os;
 }
 
+bool
+SigningInfo::operator==(const SigningInfo& rhs) const
+{
+  return getSignerType() == rhs.getSignerType() &&
+    getSignerName() == rhs.getSignerName() &&
+    getDigestAlgorithm() == rhs.getDigestAlgorithm() &&
+    getSignatureInfo() == rhs.getSignatureInfo();
+}
+
 } // namespace security
 } // namespace ndn
diff --git a/src/security/signing-info.hpp b/src/security/signing-info.hpp
index ad97b89..6e8bca4 100644
--- a/src/security/signing-info.hpp
+++ b/src/security/signing-info.hpp
@@ -235,6 +235,15 @@
   static const Name&
   getDigestSha256Identity();
 
+  bool
+  operator==(const SigningInfo& rhs) const;
+
+  bool
+  operator!=(const SigningInfo& rhs) const
+  {
+    return !(*this == rhs);
+  }
+
 private:
   SignerType m_type;
   Name m_name;