56 lines
850 B
Plaintext
56 lines
850 B
Plaintext
usertype SessionKey;
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secret k: Function;
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protocol unknown2(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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var T;
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send_1(I,R, ni );
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recv_3(S,I, { I,R,kir,ni,nr }k(I,S), T );
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send_4(I,R, T, {nr}kir );
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claim_i1(I,Nisynch);
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claim_i2(I,Niagree);
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claim_i3(I,Secret, kir);
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}
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role R
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{
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fresh nr: Nonce;
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var ni: Nonce;
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var kir: SessionKey;
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recv_1(I,R, ni );
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send_2(R,S, { I,R,ni,nr }k(R,S) );
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recv_4(I,R, { I,R,kir,ni,nr }k(R,S), {nr}kir );
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claim_r1(R,Nisynch);
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claim_r2(R,Niagree);
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claim_r3(R,Secret, kir);
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}
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role S
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{
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fresh kir: SessionKey;
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var ni,nr: Nonce;
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recv_2(R,S, { I,R,ni,nr }k(R,S) );
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send_3(S,I, { I,R,kir,ni,nr }k(I,S), { I,R,kir,ni,nr }k(R,S) );
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/*
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claim_s1(S,Nisynch);
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claim_s2(S,Niagree);
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claim_s3(S,Secret, kir);
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*/
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}
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}
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const kee: SessionKey;
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