scyther/spdl/nsl7.spdl

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const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol nsl7(I,R)
{
role R
{
var ni;
const nr;
read_1(I,R, {I,ni}pk(R) );
send_2(R,I, {ni,nr,R}pk(I) );
read_3(I,R, {nr}pk(R) );
claim_4(I,Secret,nr,ni);
}
}
const Alice,Bob;
run nsl7.R(Alice,Bob);
run nsl7.R(Alice,Bob);