Merge branch 'master' of...

Merge branch 'master' of https://git.soton.ac.uk/mwh1g17/Recommending-and-modelling-optimal-security-practices-for-smart-grid-connected-IoT-devices

Scyther Files/KeyExchange.spdl

+
+hashfunction  hashed;
+
+protocol KeyExchange(Monitor,CloudServer)
+{
+	role Monitor
+
+	{
+
+		fresh MonitorValue  : Nonce;
+		var CloudServerValue : Nonce;
+
+		send_1(Monitor,CloudServer,{Monitor,MonitorValue}pk(CloudServer));
+		recv_2(CloudServer,Monitor, {CloudServerValue,hashed(MonitorValue),CloudServer}pk(Monitor));
+		send_3(Monitor,CloudServer, hashed(CloudServerValue));
+		
+		claim_Monitor1(Monitor,Niagree);
+		claim_Monitor2(Monitor,Nisynch);
+		claim_Monitor3(Monitor,  Secret, MonitorValue);
+		claim_Monitor4(Monitor,  Secret, CloudServerValue);
+
+	}	
+	
+	role CloudServer
+
+	{
+
+		var MonitorValue: Nonce;
+		fresh CloudServerValue: Nonce;
+
+		recv_1(Monitor,CloudServer,{Monitor,MonitorValue}pk(CloudServer));
+		send_2(CloudServer,Monitor, {CloudServerValue,hashed(MonitorValue),CloudServer}pk(Monitor));
+		recv_3(Monitor,CloudServer, hashed(CloudServerValue));
+
+		claim_CloudServer1(CloudServer,Niagree);
+		claim_CloudServer2(CloudServer,Nisynch);
+		claim_CloudServer3(CloudServer,  Secret, MonitorValue);
+		claim_CloudServer4(CloudServer,  Secret, CloudServerValue);
+
+	}
+}