scyther/spdl/nsl3-nisynch.spdl

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const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol nsl3(I,R)
{
role I
{
const ni: Nonce;
var nr: Nonce;
send_1(I,R, {I,ni}pk(R) );
read_2(R,I, {ni,nr,R}pk(I) );
send_3(I,R, {nr}pk(R) );
claim_4(I,Nisynch);
claim_5(I,Secret,ni,nr);
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}
role R
{
var ni: Nonce;
const nr: Nonce;
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_6(R,Nisynch);
claim_7(R,Secret,ni,nr);
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}
}
const Alice,Bob,Eve: Agent;
untrusted Eve;
const ne: Nonce;
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compromised sk(Eve);
run nsl3.I(Agent,Agent);
run nsl3.R(Agent,Agent);
run nsl3.I(Agent,Agent);
run nsl3.R(Agent,Agent);