diff --git a/trunk/c5/hmac.h b/trunk/c5/hmac.h
index ff834aa0..f8703ba2 100644
--- a/trunk/c5/hmac.h
+++ b/trunk/c5/hmac.h
@@ -47,6 +47,7 @@ public:
 		{SetKey(key, length);}
 
 	static std::string StaticAlgorithmName() {return std::string("HMAC(") + T::StaticAlgorithmName() + ")";}
+	std::string AlgorithmName() const {return std::string("HMAC(") + m_hash.AlgorithmName() + ")";}
 
 private:
 	HashTransformation & AccessHash() {return m_hash;}