46 lines
759 B
Plaintext
46 lines
759 B
Plaintext
usertype Data;
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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 ccitt509(I,R)
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{
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role I
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{
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fresh xi,yi: Data;
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fresh ni: Nonce;
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var nr: Nonce;
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var yr,xr: Data;
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send_1(I,R, I,{ni, R, xi, {yi}pk(R) }sk(I) );
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recv_2(R,I, R,{nr, I, ni, xr, {yr}pk(I) }sk(R) );
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send_3(I,R, I,{R,nr}sk(I) );
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claim_4(I,Secret,yi);
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claim_5(I,Secret,yr);
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claim_6(I,Nisynch);
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claim_7(I,Niagree);
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}
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role R
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{
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var xi,yi: Data;
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var ni: Nonce;
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fresh nr: Nonce;
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fresh yr,xr: Data;
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recv_1(I,R, I,{ni, R, xi, {yi}pk(R) }sk(I) );
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send_2(R,I, R,{nr, I, ni, xr, {yr}pk(I) }sk(R) );
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recv_3(I,R, I,{R,nr}sk(I) );
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claim_8(R,Secret,yi);
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claim_9(R,Secret,yr);
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claim_10(R,Nisynch);
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claim_11(R,Niagree);
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}
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}
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const de: Data;
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