security: Add doxygen comments

Change-Id: Ieafe4d13513e626d84ef9e621694f69844785018
diff --git a/src/security/sec-tpm-memory.cpp b/src/security/sec-tpm-memory.cpp
index 231a195..638a174 100644
--- a/src/security/sec-tpm-memory.cpp
+++ b/src/security/sec-tpm-memory.cpp
@@ -138,7 +138,7 @@
 }
 
 ConstBufferPtr
-SecTpmMemory::decryptInTpm(const Name& keyName, const uint8_t* data, size_t dataLength, bool isSymmetric)
+SecTpmMemory::decryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric)
 {
 #if 1
   throw Error("MemoryPrivateKeyStorage::decrypt not implemented");
@@ -146,7 +146,7 @@
 }
 
 ConstBufferPtr
-SecTpmMemory::encryptInTpm(const Name& keyName, const uint8_t* data, size_t dataLength, bool isSymmetric)
+SecTpmMemory::encryptInTpm(const uint8_t* data, size_t dataLength, const Name& keyName, bool isSymmetric)
 {
 #if 1
   throw Error("MemoryPrivateKeyStorage::encrypt not implemented");
@@ -185,4 +185,4 @@
   }
 }
 
-}
+} // namespace ndn