43 lines
622 B
Plaintext
43 lines
622 B
Plaintext
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usertype Sessionkey;
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usertype Ticket;
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protocol isoiec11770213(I,R,S)
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{
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role I
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{
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fresh ni: Nonce;
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var nr: Nonce;
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var kir: Sessionkey;
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send_1 (I,R, ni);
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read_4 (R,I, { ni,kir,R }k(I,S) );
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claim_5 (I, Secret, kir);
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}
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role R
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{
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var ni: Nonce;
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fresh nr: Nonce;
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fresh kir: Sessionkey;
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var T;
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read_1 (I,R, ni);
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send_2 (R,S, { nr,ni,I,kir }k(R,S) );
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read_3 (S,R, { nr, I }k(R,S), T );
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send_4 (R,I, T );
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claim_6 (R, Secret, kir);
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}
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role S
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{
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var ni,nr: Nonce;
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var kir: Sessionkey;
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read_2 (R,S, { nr,ni,I,kir }k(R,S) );
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send_3 (S,R, { nr, I }k(R,S), { ni,kir,R }k(I,S) );
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}
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}
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