const pk: Function;
secret sk: Function;
inversekeys (pk,sk);

protocol ns3speedtest(I,R)
{
	role I
	{
		fresh ni: Nonce;
		var nr: Nonce;

		send_1(I,R, {I,ni}pk(R) );
		recv_2(R,I, {ni,nr}pk(I) );
		send_3(I,R, {nr}pk(R) );
		claim_4(I,Secret,nr);
	}	
	
	role R
	{
		var ni: Nonce;
		fresh nr: Nonce;

		recv_1(I,R, {I,ni}pk(R) );
		send_2(R,I, {ni,nr}pk(I) );
		recv_3(I,R, {nr}pk(R) );
		claim_5(R,Secret,ni);
	}
}


/* something like this will later on all be implied by 'untrusted Eve' */


/* pre-defined 10 runs, limit using --max-runs parameters */

	run ns3speedtest.R(Alice,Bob);
	run ns3speedtest.R(Eve,Bob);
	run ns3speedtest.R(Bob,Alice);
	run ns3speedtest.R(Eve,Alice);
	run ns3speedtest.R(Bob,Bob);