scyther/testing/nsl3.spdl

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const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol nsl3(I,R)
{
role I
{
fresh ni: Nonce;
var nr: Nonce;
send_1(I,R, {I,ni}pk(R) );
recv_2(R,I, {ni,nr,R}pk(I) );
send_3(I,R, {nr}pk(R) );
claim_i1(I,Secret,ni);
claim_i2(I,Secret,nr);
claim_i3(I,Niagree);
claim_i4(I,Nisynch);
}
role R
{
var ni: Nonce;
fresh nr: Nonce;
recv_1(I,R, {I,ni}pk(R) );
send_2(R,I, {ni,nr,R}pk(I) );
recv_3(I,R, {nr}pk(R) );
claim_r1(R,Secret,ni);
claim_r2(R,Secret,nr);
claim_r3(R,Niagree);
claim_r4(R,Nisynch);
}
}