f9a34f4de5
After the new function implementation, the 'Function' type is no longer one-way by default. However, many protocol description files relied on this implicit assumption. The solution is to use 'hashfunction' declarations instead to model one-wayness. Original bug report by Binh Thanh Nguyen.
118 lines
1.9 KiB
Plaintext
118 lines
1.9 KiB
Plaintext
# 1 "jfkr.cpp"
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# 1 "<command-line>"
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# 1 "jfkr.cpp"
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# 15 "jfkr.cpp"
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# 1 "common.h" 1
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hashfunction prf, KDF;
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hashfunction g, h;
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# 66 "common.h"
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hashfunction H;
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# 97 "common.h"
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protocol @oracle (DH, SWAP) {
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role DH {
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var i, r: Nonce;
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recv_!DH1( DH, DH, h(g(r),i) );
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send_!DH2( DH, DH, h(g(i),r) );
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}
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role SWAP {
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var i, r, Ni, Nr: Nonce;
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# 150 "common.h"
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recv_!SWAP1( SWAP, SWAP, KDF(h(g(r),i), H(Ni), Nr) );
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send_!SWAP2( SWAP, SWAP, KDF(h(g(i),r), H(Ni), Nr) );
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}
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}
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# 16 "jfkr.cpp" 2
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protocol @executability(O) {
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role O {
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var i, r, Ni, Nr, SAi, SAr: Nonce;
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var I, R: Agent;
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recv_!O1( O, O, {I, SAi, {H(Ni), Nr, g(i), g(r)}sk(I)}KDF(h(g(r),i), H(Ni), Nr) );
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send_!O2( O, O, {I, SAi, {H(Ni), Nr, g(i), g(r)}sk(I)}KDF(h(g(i),r), H(Ni), Nr) );
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recv_!O3( O, O, {R, SAr, {g(r), Nr, g(i), H(Ni)}sk(R)}KDF(h(g(i),r), H(Ni), Nr) );
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send_!O4( O, O, {R, SAr, {g(r), Nr, g(i), H(Ni)}sk(R)}KDF(h(g(r),i), H(Ni), Nr) );
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}
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}
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protocol jfkr(I, R)
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{
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role I {
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fresh i, Ni, SAi: Nonce;
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var Nr, SAr: Nonce;
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var Gr, TH: Ticket;
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send_1( I, R, H(Ni), g(i) );
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recv_2( R, I, H(Ni), Nr, Gr, TH );
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send_!3( I, R, Ni, Nr, g(i), Gr, TH, {I, SAi, {H(Ni), Nr, g(i), Gr}sk(I)}KDF(h(Gr,i), H(Ni), Nr) );
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recv_!4( R, I, {R, SAr, {Gr, Nr, g(i), H(Ni)}sk(R)}KDF(h(Gr,i), H(Ni), Nr) );
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claim( I, SKR, KDF(h(Gr,i), H(Ni), Nr) );
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claim( I, Alive );
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claim( I, Weakagree );
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}
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role R {
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fresh r, Nr, SAr, HKr: Nonce;
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var Ni, SAi: Nonce;
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var Gi, HNi: Ticket;
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recv_1( I, R, HNi, Gi );
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send_2( R, I, HNi, Nr, g(r), H(HKr, g(r), Nr, HNi) );
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recv_!3( I, R, Ni, Nr, Gi, g(r), H(HKr, g(r), Nr, H(Ni)), {I, SAi, {H(Ni), Nr, Gi, g(r)}sk(I)}KDF(h(Gi,r), H(Ni), Nr) );
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send_!4( R, I, {R, SAr, {g(r), Nr, Gi, H(Ni)}sk(R)}KDF(h(Gi,r), H(Ni), Nr) );
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claim( R, Secret, HKr );
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claim( R, SKR, KDF(h(Gi,r), H(Ni), Nr) );
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claim( R, Alive );
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claim( R, Weakagree );
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}
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}
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