2006-11-21 13:40:50 +00:00
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usertype SessionKey;
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secret k: Function;
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protocol andrewBan(I,R)
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{
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role I
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{
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2012-05-02 22:01:08 +01:00
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fresh ni: Nonce;
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2006-11-21 13:40:50 +00:00
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var nr,nr2: Nonce;
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var kir: SessionKey;
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send_1(I,R, I,{ni}k(I,R) );
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read_2(R,I, {ni,nr}k(I,R) );
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send_3(I,R, {nr}k(I,R) );
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read_4(R,I, {kir,nr2,ni}k(I,R) );
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claim_5(I,Nisynch);
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claim_5b(I,Niagree);
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claim_6(I,Secret, kir);
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claim_7(I,Secret, k(I,R));
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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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2012-05-02 22:01:08 +01:00
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fresh nr,nr2: Nonce;
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fresh kir: SessionKey;
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2006-11-21 13:40:50 +00:00
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read_1(I,R, I,{ni}k(I,R) );
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send_2(R,I, {ni,nr}k(I,R) );
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read_3(I,R, {nr}k(I,R) );
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send_4(R,I, {kir,nr2,ni}k(I,R) );
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claim_8(R,Nisynch);
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claim_8b(R,Niagree);
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claim_9(R,Secret, kir);
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claim_10(R,Secret, k(I,R));
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}
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}
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const kee: SessionKey;
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