- Add session compromise to all protocols that establish a session key

spdl/SPORE/andrew-ban-concrete.spdl

@@ -19,6 +19,7 @@
 usertype SessionKey;
 secret k: Function;
 const Fresh: Function;
+const Compromised: Function;
 
 protocol swapkey(X)
 {
@@ -31,6 +32,28 @@ protocol swapkey(X)
         send_X2(X,X,{T}k(R,I));
     }
 }
+
+protocol andrewConcreteSessionKeyCompromise(C)
+{
+    // Read the names of 3 agents and disclose a session between them including
+    // corresponding session key to simulate key compromise
+    role C {
+        const ni,nr: Nonce;
+        const kir: SessionKey;
+        var I,R: Agent;
+
+        read_C1(C,C,    I,R);
+        send_C2(C,C,    (I,ni),
+                        {ni,kir}k(I,R),
+                        {ni}kir,
+                        nr,
+                        kir
+               );
+        claim_C3(C,Empty, (Compromised,kir));
+    }
+}
+
+
 protocol andrewConcrete(I,R)
 {