diff --git a/crypto/kdf/DerivedKeyConfig.h b/crypto/kdf/DerivedKeyConfig.h
index 10c3a39b..94109957 100644
--- a/crypto/kdf/DerivedKeyConfig.h
+++ b/crypto/kdf/DerivedKeyConfig.h
@@ -9,6 +9,9 @@
 
 namespace cpputils {
 
+    //TODO Test Copy/move constructor and assignment
+    //TODO Test operator==/!=
+
     class DerivedKeyConfig {
     public:
         DerivedKeyConfig(Data salt, uint64_t N, uint32_t r, uint32_t p)