scyther/spdl/andrew-lowe-ban.spdl
ccremers 282504c8cc - Improved the arguments adapting to the input stuff (e.g. number of
protocols)
- Improved many protocols by adding agreement claims.
2005-03-02 19:57:05 +00:00

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usertype SessionKey;
secret k: Function;
protocol andrewLoweBan(I,R)
{
role I
{
const ni: Nonce;
var nr: Nonce;
var kir: SessionKey;
send_1(I,R, I,ni );
read_2(R,I, {ni,kir,I}k(I,R) );
send_3(I,R, {ni}kir );
read_4(R,I, nr );
claim_5(I,Nisynch);
claim_5b(I,Niagree);
claim_6(I,Secret, kir);
claim_7(I,Secret, k(I,R));
}
role R
{
var ni: Nonce;
const nr: Nonce;
const kir: SessionKey;
read_1(I,R, I,ni );
send_2(R,I, {ni,kir,I}k(I,R) );
read_3(I,R, {ni}kir );
send_4(R,I, nr );
claim_8(R,Nisynch);
claim_8b(R,Niagree);
claim_9(R,Secret, kir);
claim_10(R,Secret, k(I,R));
}
}
const Alice,Bob,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const kee: SessionKey;
compromised k(Eve,Eve);
compromised k(Eve,Alice);
compromised k(Eve,Bob);
compromised k(Alice,Eve);
compromised k(Bob,Eve);
run andrewLoweBan.I(Agent,Agent);
run andrewLoweBan.R(Agent,Agent);
run andrewLoweBan.I(Agent,Agent);
run andrewLoweBan.R(Agent,Agent);