- Added original Kao-Chow protocol. There is something strange with the

Arachne method though, that needs investigating.
This commit is contained in:
ccremers 2004-10-13 12:55:23 +00:00
parent 46e46abb84
commit 1effb2ca99

62
spdl/kaochow.spdl Normal file
View File

@ -0,0 +1,62 @@
usertype Sessionkey;
usertype Ticket;
secret k: Function;
protocol kaochow(I,R,S)
{
role I
{
const ni: Nonce;
var nr: Nonce;
var kir: Sessionkey;
send_1 (I,S, I,R,ni);
read_3 (R,I, {I,R,ni,kir}k(I,S), {ni}kir, nr );
send_4 (I,R, {nr}kir );
}
role R
{
var ni: Nonce;
const nr: Nonce;
var kir: Sessionkey;
var T;
read_2 (S,R, { T, { I,R,ni,kir }k(R,S) }k(R,S) );
send_3 (R,I, T, {ni}kir, nr );
read_4 (I,R, {nr}kir );
claim_5 (R, Nisynch);
claim_6 (R, Secret, kir);
}
role S
{
var ni: Nonce;
const kir: Sessionkey;
read_1 (I,S, I,R,ni);
send_2 (S,R, {I,R,ni,kir}k(I,S), { I,R,ni,kir }k(R,S) );
}
}
const Alice,Bob,Simon,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const te: Ticket;
const ke: Sessionkey;
compromised k(Eve,Eve);
compromised k(Eve,Alice);
compromised k(Eve,Bob);
compromised k(Eve,Simon);
compromised k(Alice,Eve);
compromised k(Bob,Eve);
compromised k(Simon,Eve);
run kaochow.I(Agent,Agent,Simon);
run kaochow.R(Agent,Agent,Simon);
run kaochow.S(Agent,Agent,Simon);
run kaochow.I(Agent,Agent,Simon);
run kaochow.R(Agent,Agent,Simon);
run kaochow.S(Agent,Agent,Simon);