diff --git a/Config.cpp b/Config.cpp
index c54b9c3f..c8ce6d45 100644
--- a/Config.cpp
+++ b/Config.cpp
@@ -41,6 +41,8 @@ namespace config {
 	  ("datadir",   value<std::string>()->default_value(""),     "Path to storage of i2pd data (RI, keys, peer profiles, ...)")
       ("host",      value<std::string>()->default_value("0.0.0.0"),     "External IP")
       ("ifname",    value<std::string>()->default_value(""), "Network interface to bind to")
+			("ifname4",   value<std::string>()->default_value(""), "Network interface to bind to for ipv4")
+			("ifname6",   value<std::string>()->default_value(""), "Network interface to bind to for ipv6")
       ("nat",       value<bool>()->zero_tokens()->default_value(true), "Should we assume we are behind NAT?")
       ("port",      value<uint16_t>()->default_value(0),                "Port to listen for incoming connections (default: auto)")
       ("ipv4",      value<bool>()->zero_tokens()->default_value(true),  "Enable communication through ipv4")
@@ -59,7 +61,7 @@ namespace config {
       ("close", value<std::string>()->default_value("ask"), "Action on close: minimize, exit, ask") // TODO: add custom validator or something
 #endif
       ;
-
+		
     options_description limits("Limits options");
     limits.add_options()
       ("limits.coresize",         value<uint32_t>()->default_value(0),    "Maximum size of corefile in Kb (0 - use system limit)")
@@ -193,7 +195,7 @@ namespace config {
       ("trust.family", value<std::string>()->default_value(""), "Router Familiy to trust for first hops")
 			("trust.routers", value<std::string>()->default_value(""), "Only Connect to these routers")
       ("trust.hidden", value<bool>()->default_value(false), "Should we hide our router from other routers?");
-
+		
     options_description websocket("Websocket Options");
     websocket.add_options()
       ("websockets.enabled", value<bool>()->default_value(false), "enable websocket server")
diff --git a/Crypto.cpp b/Crypto.cpp
index 54180677..91b0ad08 100644
--- a/Crypto.cpp
+++ b/Crypto.cpp
@@ -308,12 +308,12 @@ namespace crypto
 		BN_free (b1);
 	}
 			
-	void ElGamalEncryption::Encrypt (const uint8_t * data, int len, uint8_t * encrypted, bool zeroPadding) const
+	void ElGamalEncryption::Encrypt (const uint8_t * data, uint8_t * encrypted, bool zeroPadding) const
 	{
 		// create m
 		uint8_t m[255];
 		m[0] = 0xFF;
-		memcpy (m+33, data, len);
+		memcpy (m+33, data, 222);
 		SHA256 (m+33, 222, m+1);
 		// calculate b = b1*m mod p
 		BIGNUM * b = BN_new ();
diff --git a/Crypto.h b/Crypto.h
index ee5f49ca..a04a93da 100644
--- a/Crypto.h
+++ b/Crypto.h
@@ -54,7 +54,7 @@ namespace crypto
 			ElGamalEncryption (const uint8_t * key);
 			~ElGamalEncryption ();
 			
-			void Encrypt (const uint8_t * data, int len, uint8_t * encrypted, bool zeroPadding = false) const;
+			void Encrypt (const uint8_t * data, uint8_t * encrypted, bool zeroPadding = false) const;
 
 		private:
 
diff --git a/Garlic.cpp b/Garlic.cpp
index 94ca82eb..306ac816 100644
--- a/Garlic.cpp
+++ b/Garlic.cpp
@@ -188,7 +188,7 @@ namespace garlic
 			RAND_bytes (elGamal.preIV, 32); // Pre-IV
 			uint8_t iv[32]; // IV is first 16 bytes
 			SHA256(elGamal.preIV, 32, iv); 
-			m_ElGamalEncryption->Encrypt ((uint8_t *)&elGamal, sizeof(elGamal), buf, true);			
+			m_ElGamalEncryption->Encrypt ((uint8_t *)&elGamal, buf, true);			
 			m_Encryption.SetIV (iv);
 			buf += 514;
 			len += 514;	
diff --git a/RouterContext.cpp b/RouterContext.cpp
index 7847bef7..3c37e88c 100644
--- a/RouterContext.cpp
+++ b/RouterContext.cpp
@@ -53,6 +53,8 @@ namespace i2p
 		bool ipv6; i2p::config::GetOption("ipv6", ipv6);
 		bool nat;  i2p::config::GetOption("nat", nat);
 		std::string ifname; i2p::config::GetOption("ifname", ifname);
+		std::string ifname4; i2p::config::GetOption("ifname4", ifname4);
+		std::string ifname6; i2p::config::GetOption("ifname6", ifname6);
 		if (ipv4)
 		{
 			std::string host = "127.0.0.1";
@@ -61,6 +63,10 @@ namespace i2p
 			else if (!nat && !ifname.empty())
 				/* bind to interface, we have no NAT so set external address too */
 				host = i2p::util::net::GetInterfaceAddress(ifname, false).to_string(); // v4
+
+			if(ifname4.size())
+				host = i2p::util::net::GetInterfaceAddress(ifname4, false).to_string();
+
 			routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
 			routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
@@ -71,9 +77,14 @@ namespace i2p
 				i2p::config::GetOption("host", host);
 			else if (!ifname.empty()) 
 				host = i2p::util::net::GetInterfaceAddress(ifname, true).to_string(); // v6
+
+			if(ifname6.size())
+				host = i2p::util::net::GetInterfaceAddress(ifname6, true).to_string();
+
 			routerInfo.AddSSUAddress (host.c_str(), port, routerInfo.GetIdentHash ());
 			routerInfo.AddNTCPAddress (host.c_str(), port);
 		}
+		
 		routerInfo.SetCaps (i2p::data::RouterInfo::eReachable | 
 			i2p::data::RouterInfo::eSSUTesting | i2p::data::RouterInfo::eSSUIntroducer); // LR, BC
         routerInfo.SetProperty ("netId", std::to_string (m_NetID));
diff --git a/TunnelConfig.h b/TunnelConfig.h
index 23417ed9..cb31243f 100644
--- a/TunnelConfig.h
+++ b/TunnelConfig.h
@@ -102,7 +102,7 @@ namespace tunnel
 			htobe32buf (clearText + BUILD_REQUEST_RECORD_SEND_MSG_ID_OFFSET, replyMsgID); 
 			RAND_bytes (clearText + BUILD_REQUEST_RECORD_PADDING_OFFSET, BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE - BUILD_REQUEST_RECORD_PADDING_OFFSET);
 			i2p::crypto::ElGamalEncryption elGamalEncryption (ident->GetEncryptionPublicKey ());
-			elGamalEncryption.Encrypt (clearText, BUILD_REQUEST_RECORD_CLEAR_TEXT_SIZE, record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET);
+			elGamalEncryption.Encrypt (clearText, record + BUILD_REQUEST_RECORD_ENCRYPTED_OFFSET);
 			memcpy (record + BUILD_REQUEST_RECORD_TO_PEER_OFFSET, (const uint8_t *)ident->GetIdentHash (), 16);
 		}	
 	};