scyther/spdl/five-run-bound.spdl
ccremers 947fe654f1 - Testing with this protocol didn't yet reveal the desired behaviour, as
Arachne -m2 strategies aren't working fully yet.
2004-09-01 20:24:39 +00:00

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const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol r5bound(I,R)
{
role I
{
const k1: Nonce;
const ni: Nonce;
var k2: Nonce;
send_1 (I,R, ni );
read_2 (R,I, { ni }sk(R) );
send_3 (I,R, {{{ {k1}pk(R) }sk(I)}sk(I)}sk(I) );
read_4 (R,I, {k2}k1 );
claim_5 (I, Secret, k2);
}
role R
{
var k1: Nonce;
var ni: Nonce;
const k2: Nonce;
read_1 (I,R, ni );
send_2 (R,I, { ni }sk(R) );
read_3 (I,R, {{{ {k1}pk(R) }sk(I)}sk(I)}sk(I) );
send_4 (R,I, {k2}k1 );
claim_6 (R, Secret, k2);
}
}
const Alice, Bob: Agent;
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);
run r5bound.I(Agent,Agent);
run r5bound.R(Agent,Agent);