# 1 "ikev2-mac2.cpp"
# 1 "<command-line>"
# 1 "ikev2-mac2.cpp"
# 15 "ikev2-mac2.cpp"
# 1 "common.h" 1




 hashfunction prf, KDF;






const g, h: Function;
# 43 "common.h"
hashfunction MAC;
# 97 "common.h"
protocol @oracle (DH, SWAP) {







 role DH {
  var i, r: Nonce;

  recv_!DH1( DH, DH, h(g(r),i) );
  send_!DH2( DH, DH, h(g(i),r) );
 }




 role SWAP {
  var i, r, Ni, Nr: Nonce;
# 132 "common.h"
  var SPIi, SPIr: Nonce;
# 150 "common.h"
  recv_!SWAP1( SWAP, SWAP, KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
  send_!SWAP2( SWAP, SWAP, KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );

 }


}
# 16 "ikev2-mac2.cpp" 2
# 24 "ikev2-mac2.cpp"
usertype Number, SecurityAssociation, TrafficSelector;
const O: Number;
const SA1 ,SA2, SA3: SecurityAssociation;
const TSi, TSr: TrafficSelector;






protocol @executability(E) {


 role E {
  var i, r, Ni, Nr, SPIi, SPIr: Nonce;
  var I, R: Agent;


  recv_!E1( E, E, {I, MAC(k(I,R), SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(g(r),i),SPIi,SPIr), I)), SA2, TSi, TSr}KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );
  send_!E2( E, E, {I, MAC(k(R,I), SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(g(i),r),SPIi,SPIr), I)), SA2, TSi, TSr}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );


  recv_!E3( E, E, {R, MAC(k(R,I), SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(g(i),r),SPIi,SPIr), R)), SA2, TSi, TSr}KDF(Ni,Nr,h(g(i),r),SPIi,SPIr) );
  send_!E4( E, E, {R, MAC(k(I,R), SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(g(r),i),SPIi,SPIr), R)), SA2, TSi, TSr}KDF(Ni,Nr,h(g(r),i),SPIi,SPIr) );

 }


}


protocol ikev2-mac2(I, R)
{

 role I {
  fresh i, Ni, SPIi: Nonce;
  var Nr, SPIr: Nonce;
  var Gr: Ticket;



  send_1( I, R, SPIi, O, SA1, g(i), Ni );
  recv_2( R, I, (SPIi,SPIr), SA1, Gr, Nr );


  claim( I, Running, R, Ni,g(i),Nr,Gr,TSi,TSr );
  send_!3( I, R, (SPIi,SPIr), {I, MAC(k(I,R), SPIi, O, SA1, g(i), Ni, Nr, prf(KDF(Ni,Nr,h(Gr,i),SPIi,SPIr), I)), SA2, TSi, TSr}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );
  recv_!4( R, I, (SPIi,SPIr), {R, MAC(k(I,R), SPIi, SPIr, SA1, Gr, Nr, Ni, prf(KDF(Ni,Nr,h(Gr,i),SPIi,SPIr), R)), SA2, TSi, TSr}KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );


  claim( I, SKR, KDF(Ni,Nr,h(Gr,i),SPIi,SPIr) );

  claim( I, Alive );
  claim( I, Weakagree );
  claim( I, Commit, R, Ni,g(i),Nr,Gr,TSi,TSr );

 }

 role R {
  fresh r, Nr, SPIr: Nonce;
  var Ni, SPIi: Nonce;
  var Gi: Ticket;



  recv_1( I, R, SPIi, O, SA1, Gi, Ni );
  send_2( R, I, (SPIi,SPIr), SA1, g(r), Nr );


  recv_!3( I, R, (SPIi,SPIr), {I, MAC(k(R,I), SPIi, O, SA1, Gi, Ni, Nr, prf(KDF(Ni,Nr,h(Gi,r),SPIi,SPIr), I)), SA2, TSi, TSr}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );
  claim( R, Running, I, Ni,Gi,Nr,g(r),TSi,TSr );
  send_!4( R, I, (SPIi,SPIr), {R, MAC(k(R,I), SPIi, SPIr, SA1, g(r), Nr, Ni, prf(KDF(Ni,Nr,h(Gi,r),SPIi,SPIr), R)), SA2, TSi, TSr}KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );


  claim( R, SKR, KDF(Ni,Nr,h(Gi,r),SPIi,SPIr) );

  claim( R, Alive );
  claim( R, Weakagree );
  claim( R, Commit, I, Ni,Gi,Nr,g(r),TSi,TSr );
 }
}