56 lines
821 B
Plaintext
56 lines
821 B
Plaintext
/*
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* Woo-lam version from Spore, Pi f
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*
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* Only one-way verification
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*/
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usertype Server, SessionKey, Ticket;
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secret k: Function;
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const Alice, Bob, Charlie, Eve: Agent;
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const Simon: Server;
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const ne: Nonce;
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const ke: SessionKey;
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untrusted Eve;
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compromised k(Eve,Simon);
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protocol woolampif(A,B,S)
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{
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role A
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{
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var Nb: Nonce;
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send_1(A,B, A);
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read_2(B,A, Nb);
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send_3(A,B, { A,B,Nb }k(A,S) );
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}
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role B
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{
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const Nb: Nonce;
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var T: Ticket;
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read_1(A,B, A);
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send_2(B,A, Nb);
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read_3(A,B, T);
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send_4(B,S, { A,B,Nb, T }k(B,S) );
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read_5(S,B, { A,B,Nb }k(B,S) );
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claim_6(B,Niagree);
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claim_7(B,Nisynch);
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}
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role S
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{
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var Nb: Nonce;
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read_4(B,S, { A,B,Nb, { A,B,Nb }k(A,S) }k(B,S) );
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send_5(S,B, { A,B,Nb }k(B,S) );
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}
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}
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run woolampif.B(Alice,Bob,Simon);
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run woolampif.B(Alice,Bob,Simon);
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