scyther/testing/protocols/misc/woolam-pi-f.spdl

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/*
* Woo-lam version from Spore, Pi f
*
* Only one-way verification version
*/
usertype Server, SessionKey, Ticket;
secret k: Function;
const Simon: Server;
const ke: SessionKey;
protocol woolampif(A,B,S)
{
role A
{
var Nb: Nonce;
send_1(A,B, A);
recv_2(B,A, Nb);
send_3(A,B, { A,B,Nb }k(A,S) );
}
role B
{
fresh Nb: Nonce;
var T: Ticket;
recv_1(A,B, A);
send_2(B,A, Nb);
recv_3(A,B, T);
send_4(B,S, { A,B,Nb, T }k(B,S) );
recv_5(S,B, { A,B,Nb }k(B,S) );
claim_6(B,Niagree);
claim_7(B,Nisynch);
}
role S
{
var Nb: Nonce;
recv_4(B,S, { A,B,Nb, { A,B,Nb }k(A,S) }k(B,S) );
send_5(S,B, { A,B,Nb }k(B,S) );
}
}