52 lines
982 B
Plaintext
52 lines
982 B
Plaintext
# TMN
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#
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# Modelled after the description in the SPORE library
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# http://www.lsv.ens-cachan.fr/spore/tmn.html
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#
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# Note:
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# According to Boyd and Mathuria Kb is the session key this is not clear
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# from the description in SPORE
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usertype SessionKey;
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const Fresh: Function;
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const Compromised: Function;
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protocol tmn(I,R,S)
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{
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role I
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{
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fresh Ki: SessionKey;
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var Kr: SessionKey;
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send_1(I,S, R,{Ki}pk(S) );
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read_4(S,I, R,{Kr}Ki );
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claim_I1(I,Secret,Kr);
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claim_I2(I,Nisynch);
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claim_I3(I,Empty,(Fresh,Kr));
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}
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role R
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{
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fresh Kr: SessionKey;
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read_2(S,R, I );
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send_3(R,S, I, { Kr }pk(S) );
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claim_R1(R,Secret,Kr);
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claim_R2(R,Nisynch);
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claim_R3(R,Empty,(Fresh,Kr));
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}
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role S
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{
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var Ki,Kr: SessionKey;
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read_1(I,S, R,{Ki}pk(S) );
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send_2(S,R, I );
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read_3(R,S, I, { Kr }pk(S) );
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send_4(S,I, R,{Kr}Ki );
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}
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}
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