scyther/gui/Protocols/IKE/sts-modified.spdl

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# 1 "sts-modified.cpp"
# 1 "<command-line>"
# 1 "sts-modified.cpp"
# 17 "sts-modified.cpp"
# 1 "common.h" 1
hashfunction prf, KDF;
const g, h: Function;
# 94 "common.h"
hashfunction MAC;
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;
# 150 "common.h"
recv_!SWAP1( SWAP, SWAP, KDF(h(g(r),i)) );
send_!SWAP2( SWAP, SWAP, KDF(h(g(i),r)) );
}
}
# 18 "sts-modified.cpp" 2
protocol sts-modified(I, R)
{
role I {
fresh i: Nonce;
var Gr: Ticket;
send_1( I, R, g(i) );
recv_2( R, I, Gr, {Gr, g(i), I}sk(R) );
send_3( I, R, {g(i), Gr, R}sk(I) );
claim( I, SKR, KDF(h(Gr,i)) );
claim( I, Alive );
claim( I, Weakagree );
}
role R {
fresh r: Nonce;
var Gi: Ticket;
recv_1( I, R, Gi );
send_2( R, I, g(r), {g(r), Gi, I}sk(R) );
recv_3( I, R, {Gi, g(r), R}sk(I) );
claim( R, SKR, KDF(h(Gi,r)) );
claim( R, Alive );
claim( R, Weakagree );
}
}