91 lines
1.7 KiB
Plaintext
91 lines
1.7 KiB
Plaintext
/*
|
|
* Modeled from ISO/IEC 9798
|
|
* Modeler: Cas Cremers, Dec. 2010
|
|
*
|
|
* symmetric
|
|
* ttp
|
|
* five-pass
|
|
* mutual
|
|
*
|
|
* MPA Attack reported by Mathuria:
|
|
* - Type flaw MPA when in parallel with Abadi-Needham protocol.
|
|
*
|
|
*/
|
|
protocol isoiec-9798-2-6(A,B,P)
|
|
{
|
|
role A
|
|
{
|
|
var Rb: Nonce;
|
|
fresh Ra,Rpa: Nonce;
|
|
var Kab: SessionKey;
|
|
var T: Ticket;
|
|
fresh Text2,Text6,Text7: Ticket;
|
|
var Text1,Text4,Text5,Text8,Text9: Ticket;
|
|
|
|
recv_1(B,A, Rb, Text1);
|
|
send_2(A,P, Ra, Rb, B, Text2);
|
|
recv_3(P,A, Text5, {Ra,Kab,B,Text4}k(A,P), T );
|
|
claim(A,Running,B,Kab,Text6);
|
|
send_4(A,B, Text7, T, {Rpa,Rb,Text6}Kab );
|
|
recv_5(B,A, Text9, {Rb,Rpa,Text8}Kab );
|
|
|
|
claim(A,Commit,B,Kab,Text6,Text8);
|
|
claim(A,Secret,Kab);
|
|
claim(A,Secret,Text6);
|
|
claim(A,Secret,Text8);
|
|
claim(A,Alive);
|
|
claim(A,Weakagree);
|
|
}
|
|
role B
|
|
{
|
|
fresh Rb: Nonce;
|
|
var Rpa: Nonce;
|
|
var Kab: SessionKey;
|
|
fresh Text1,Text8,Text9: Ticket;
|
|
var Text3,Text6,Text7: Ticket;
|
|
|
|
send_1(B,A, Rb, Text1);
|
|
recv_4(A,B, Text7, {Rb,Kab,A,Text3}k(B,P), {Rpa,Rb,Text6}Kab );
|
|
claim(B,Running,A,Kab,Text6,Text8);
|
|
send_5(B,A, Text9, {Rb,Rpa,Text8}Kab );
|
|
|
|
claim(B,Commit,A,Kab,Text6);
|
|
claim(B,Secret,Kab);
|
|
claim(B,Secret,Text6);
|
|
claim(B,Secret,Text8);
|
|
claim(B,Alive);
|
|
claim(B,Weakagree);
|
|
}
|
|
role P
|
|
{
|
|
var Ra, Rb: Nonce;
|
|
fresh Kab: SessionKey;
|
|
fresh Text3,Text4,Text5: Ticket;
|
|
var Text2: Ticket;
|
|
|
|
recv_2(A,P, Ra, Rb, B, Text2);
|
|
send_3(P,A, Text5, {Ra,Kab,B,Text4}k(A,P),
|
|
{Rb,Kab,A,Text3}k(B,P) );
|
|
}
|
|
}
|
|
|
|
protocol @keysymm26(A,B,P)
|
|
{
|
|
role A
|
|
{
|
|
var TVPN: Nonce;
|
|
var Kab: SessionKey;
|
|
var Text: Ticket;
|
|
|
|
recv_!1(B,A, { TVPN, Kab, B, Text }k(P,A) );
|
|
send_!2(A,B, { TVPN, Kab, B, Text }k(A,P) );
|
|
}
|
|
role B
|
|
{
|
|
}
|
|
role P
|
|
{
|
|
}
|
|
}
|
|
|