49 lines
709 B
Plaintext
49 lines
709 B
Plaintext
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/*
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* f4.spdl
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*
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* Tailored protocol to show that any number of runs can be required to
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* find an attack.
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*
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* For this version, -m2 and -r4 are needed.
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*
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* April 2005, Cas Cremers
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*/
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const pk: Function;
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secret sk: Function;
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inversekeys (pk,sk);
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protocol f4(I,R)
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{
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role I
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{
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var nr: Nonce;
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read_1(R,I, nr );
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send_2(I,R, { nr }sk(I) );
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read_3(R,I, {{{{ nr }sk(R)}sk(R)}sk(R)}sk(R) );
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claim_i1(I,Niagree);
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}
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role R
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{
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const nr: Nonce;
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send_1(R,I, nr );
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}
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}
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const Alice,Bob,Eve: Agent;
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untrusted Eve;
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const ne: Nonce;
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compromised sk(Eve);
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run f4.I(Agent,Agent);
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run f4.I(Agent,Agent);
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run f4.I(Agent,Agent);
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run f4.I(Agent,Agent);
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run f4.I(Agent,Agent);
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run f4.I(Agent,Agent);
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