diff --git a/EncryptionManager.h b/EncryptionManager.h
index c795bd7..b502b1b 100644
--- a/EncryptionManager.h
+++ b/EncryptionManager.h
@@ -45,6 +45,10 @@ public:
 	void saveKey(const std::string&, bool);
 	void loadKey(const std::string&);
 
+	// Generowanie hash BLAKE2b
+	//static std::array<char, 16> hashBlake(const std::vector<char>&);
+	//static bool compareBlake(const std::vector<char>&, const std::array<char, 16>&);
+
 private:
 	std::array<unsigned char, crypto_stream_chacha20_ietf_KEYBYTES> key{};
 	bool keyReady;