diff --git a/ndn-cpp/security/key-chain.cpp b/ndn-cpp/security/key-chain.cpp
index c17960d..6547337 100644
--- a/ndn-cpp/security/key-chain.cpp
+++ b/ndn-cpp/security/key-chain.cpp
@@ -134,16 +134,16 @@
   identityManager_->signByCertificate(data, signingCertificateName);  
 }
 
-  shared_ptr<Signature> 
-  KeyChain::signByIdentity(const uint8_t* buffer, size_t bufferLength, const Name& identityName)
-  {
-    Name signingCertificateName = identityManager_->getDefaultCertificateNameForIdentity(identityName);
+shared_ptr<Signature> 
+KeyChain::signByIdentity(const uint8_t* buffer, size_t bufferLength, const Name& identityName)
+{
+  Name signingCertificateName = identityManager_->getDefaultCertificateNameForIdentity(identityName);
     
-    if (signingCertificateName.size() == 0)
-      throw SecurityException("No qualified certificate name found!");
+  if (signingCertificateName.size() == 0)
+    throw SecurityException("No qualified certificate name found!");
 
-    return identityManager_->signByCertificate(buffer, bufferLength, signingCertificateName);
-  }
+  return identityManager_->signByCertificate(buffer, bufferLength, signingCertificateName);
+}
 
 void
 KeyChain::verifyData