60 lines
1.0 KiB
Plaintext
60 lines
1.0 KiB
Plaintext
/*
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* Breaker for localclaims protocol; sequential composition variant 1
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*
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* Starts out as NSL3; last message (label3) has added name to avoid
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* confusion with the later messages.
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*
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* Added messages labeled with x1 and x2 to allow for breaking the other
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* protocol.
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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 lcbreakerS1(I,R)
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{
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role I
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{
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fresh ni,ni2: Nonce;
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var nr: Nonce;
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var x: Nonce;
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send_1(I,R, {I,ni}pk(R) );
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recv_2(R,I, {ni,nr,R}pk(I) );
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send_3(I,R, {nr,I}pk(R) );
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recv_x1(R,I, { x }pk(I) );
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send_x2(I,R, { x }ni );
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send_lc(I,R, {ni2}pk(R) );
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claim_i0(I,Secret,ni2);
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claim_i1(I,Secret,ni);
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claim_i2(I,Secret,nr);
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}
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role R
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{
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var ni,ni2: Nonce;
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fresh nr: Nonce;
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fresh x: Nonce;
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recv_1(I,R, {I,ni}pk(R) );
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send_2(R,I, {ni,nr,R}pk(I) );
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recv_3(I,R, {nr,I}pk(R) );
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send_x1(R,I, { x }pk(I) );
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recv_x2(I,R, { x }ni );
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recv_lc(I,R, {ni2}pk(R) );
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claim_r0(R,Secret,ni2);
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claim_r1(R,Secret,ni);
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claim_r2(R,Secret,nr);
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}
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}
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