diff --git a/Tunnel.cpp b/Tunnel.cpp
index c5f9730f..f92337f7 100644
--- a/Tunnel.cpp
+++ b/Tunnel.cpp
@@ -138,13 +138,29 @@ namespace tunnel
 	{
 		m_Gateway.SendTunnelDataMsg (gwHash, gwTunnel, msg);
 	}
-	
-	void OutboundTunnel::SendTunnelDataMsg (i2p::I2NPMessage * msg)
+		
+	void OutboundTunnel::SendTunnelDataMsg (std::vector<TunnelMessageBlock> msgs)
 	{
-		SendTunnelDataMsg (nullptr, 0, msg);
+		for (auto& it : msgs)
+		{
+			switch (it.deliveryType)
+			{
+				case eDeliveryTypeLocal:
+					m_Gateway.SendTunnelDataMsg (nullptr, 0, it.data);
+				break;
+				case eDeliveryTypeTunnel:
+					m_Gateway.SendTunnelDataMsg (it.hash, it.tunnelID, it.data);
+				break;
+				case eDeliveryTypeRouter:
+					m_Gateway.SendTunnelDataMsg (it.hash, 0, it.data);
+				break;	
+				default:
+					LogPrint ("Unexpected delivery type ", (int)it.deliveryType);
+			}	
+		}	
+		m_Gateway.SendBuffer ();
 	}	
-		
-		
+	
 	Tunnels tunnels;
 	
 	Tunnels::Tunnels (): m_IsRunning (false), m_IsTunnelCreated (false), 
diff --git a/Tunnel.h b/Tunnel.h
index 3f94d787..6c4b7d30 100644
--- a/Tunnel.h
+++ b/Tunnel.h
@@ -4,6 +4,7 @@
 #include <inttypes.h>
 #include <map>
 #include <list>
+#include <vector>
 #include <string>
 #include <thread>
 #include <cryptopp/modes.h>
@@ -64,9 +65,9 @@ namespace tunnel
 
 			OutboundTunnel (TunnelConfig * config): Tunnel (config), m_Gateway (this) {};
 
-			void SendTunnelDataMsg (i2p::I2NPMessage * msg); //local
 			void SendTunnelDataMsg (const uint8_t * gwHash, uint32_t gwTunnel, i2p::I2NPMessage * msg);
-
+			void SendTunnelDataMsg (std::vector<TunnelMessageBlock> msgs); // multiple messages
+			
 			TunnelGateway& GetTunnelGateway () { return m_Gateway; };
 			size_t GetNumSentBytes () const { return m_Gateway.GetNumSentBytes (); };
 
diff --git a/TunnelBase.h b/TunnelBase.h
index 49be29de..f59d995f 100644
--- a/TunnelBase.h
+++ b/TunnelBase.h
@@ -4,6 +4,7 @@
 #include <inttypes.h>
 #include "Timestamp.h"
 #include "I2NPProtocol.h"
+#include "Identity.h"
 
 namespace i2p
 {
@@ -23,7 +24,7 @@ namespace tunnel
 	{
 		TunnelDeliveryType deliveryType;
 		uint32_t tunnelID;
-		uint8_t hash[32];	
+		i2p::data::IdentHash hash;	
 		I2NPMessage * data;
 	};
 
diff --git a/TunnelEndpoint.cpp b/TunnelEndpoint.cpp
index 45aa4373..0e23a837 100644
--- a/TunnelEndpoint.cpp
+++ b/TunnelEndpoint.cpp
@@ -41,12 +41,12 @@ namespace tunnel
 							LogPrint ("Delivery type tunnel");	
 							m.tunnelID = be32toh (*(uint32_t *)fragment);
 							fragment += 4; // tunnelID
-							memcpy (m.hash, fragment, 32);
+							m.hash = i2p::data::IdentHash (fragment);
 							fragment += 32; // hash
 						break;
 						case eDeliveryTypeRouter: // 2
 							LogPrint ("Delivery type router");	
-							memcpy (m.hash, fragment, 32);	
+							m.hash = i2p::data::IdentHash (fragment);	
 							fragment += 32; // to hash
 						break;
 						default: