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.
166 lines
3.7 KiB
Plaintext
166 lines
3.7 KiB
Plaintext
# 1 "ikev2-sig-child2.cpp"
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# 1 "<command-line>"
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# 1 "ikev2-sig-child2.cpp"
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# 15 "ikev2-sig-child2.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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# 43 "common.h"
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hashfunction MAC;
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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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# 132 "common.h"
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var SPIi, SPIr: Nonce;
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# 150 "common.h"
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recv_!SWAP1( SWAP, SWAP, KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
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send_!SWAP2( SWAP, SWAP, KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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}
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}
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# 16 "ikev2-sig-child2.cpp" 2
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# 26 "ikev2-sig-child2.cpp"
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usertype Number, SecurityAssociation, TrafficSelector;
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const O: Number;
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const SA1 ,SA2, SA3: SecurityAssociation;
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const TSi, TSr: TrafficSelector;
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protocol @executability(E) {
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role E {
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var i, j, r, t, Mi, Ni, Mr, Nr, SPIi, SPIr: Nonce;
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var I, R: Agent;
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recv_!E1( E, E, {I, {SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(g(r),i),SPIi,SPIr), I)}sk(I), SA2, TSi, TSr}KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
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send_!E2( E, E, {I, {SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(g(i),r),SPIi,SPIr), I)}sk(I), SA2, TSi, TSr}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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recv_!E3( E, E, {R, {SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(g(i),r),SPIi,SPIr), R)}sk(R), SA2, TSi, TSr}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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send_!E4( E, E, {R, {SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(g(r),i),SPIi,SPIr), R)}sk(R), SA2, TSi, TSr}KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
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recv_!E5( E, E, {SA3, Mi, g(j)}KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
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send_!E6( E, E, {SA3, Mi, g(j)}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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recv_!E7( E, E, {SA3, Mr, g(t)}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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send_!E8( E, E, {SA3, Mr, g(t)}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
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}
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}
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protocol @ora(S) {
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role S {
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var i, j, r, t, Mi, Ni, Mr, Nr, SPIi, SPIr: Nonce;
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recv_!S1( S, S, KDF(Ni, Nr, h(g(r),i), h(g(t),j), Mi, Mr) );
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send_!S2( S, S, KDF(Ni, Nr, h(g(i),r), h(g(j),t), Mi, Mr) );
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}
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}
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protocol ikev2-sig-child2(I, R)
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{
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role I {
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fresh i, j, Ni, Mi, SPIi: Nonce;
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var Nr, Mr, SPIr: Nonce;
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var Gr, Gt: Ticket;
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send_1( I, R, SPIi, O, SA1, g(i), Ni );
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recv_2( R, I, (SPIi,SPIr), SA1, Gr, Nr );
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send_!3( I, R, (SPIi,SPIr), {I, {SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(Gr,i),SPIi,SPIr), I)}sk(I), SA2, TSi, TSr}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
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recv_!4( R, I, (SPIi,SPIr), {R, {SPIi, SPIr, SA1, Gr, Nr, Ni, prf(KDF(Ni,Nr,h(Gr,i),SPIi,SPIr), R)}sk(R), SA2, TSi, TSr}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
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claim( I, Running, R,g(i),g(j),Gr );
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send_!5( I, R, (SPIi,SPIr), {SA3, Mi, g(j)}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
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recv_!6( R, I, (SPIi,SPIr), {SA3, Mr, Gt}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
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claim( I, SKR, KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
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claim( I, SKR, KDF(Ni, Nr, h(Gr,i), h(Gt,j), Mi, Mr) );
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claim( I, Alive );
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claim( I, Weakagree );
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claim( I, Commit, R,g(i),g(j),Gr,Gt );
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}
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role R {
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fresh r, t, Nr, Mr, SPIr: Nonce;
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var Ni, Mi, SPIi: Nonce;
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var Gi, Gj: Ticket;
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recv_1( I, R, SPIi, O, SA1, Gi, Ni );
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send_2( R, I, (SPIi,SPIr), SA1, g(r), Nr );
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recv_!3( I, R, (SPIi,SPIr), {I, {SPIi, O, SA1, Gi, Ni, Nr, prf(KDF(Ni,Nr,h(Gi,r),SPIi,SPIr), I)}sk(I), SA2, TSi, TSr}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
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send_!4( R, I, (SPIi,SPIr), {R, {SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(Gi,r),SPIi,SPIr), R)}sk(R), SA2, TSi, TSr}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
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recv_!5( I, R, (SPIi,SPIr), {SA3, Mi, Gj}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
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claim( R, Running, I,Gi,Gj,g(r),g(t) );
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send_!6( R, I, (SPIi,SPIr), {SA3, Mr, g(t)}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
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claim( R, SKR, KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
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claim( R, SKR, KDF(Ni, Nr, h(Gi,r), h(Gi,t), Mi, Mr) );
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claim( R, Alive );
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claim( R, Weakagree );
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claim( R, Commit, I,Gi,Gj,g(r) );
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}
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}
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