scyther/spdl/misc/tls-HSDDM05-2.spdl

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# 1 "tls-HSDDM05-2.cpp"
# 1 "<built-in>"
# 1 "<command line>"
# 1 "tls-HSDDM05-2.cpp"
# 34 "tls-HSDDM05-2.cpp"
usertype Params, String;
const pk,hash: Function;
secret sk,unhash: Function;
inversekeys(pk,sk);
inversekeys(hash,unhash);
const clientstring,serverstring: String;
const Alice, Bob, Eve: Agent;
const Terence: Agent;
protocol tls-HSDDM05(X,Y)
{
role X
{
const Nx: Nonce;
const msecret: Nonce;
const pa: Params;
var Ny: Nonce;
var pb: Params;
send_1( X,Y, X,Nx,pa );
read_2( Y,X, Ny,pb,{ Y,pk(Y) }sk(Terence) );
send_3( X,Y, { X,pk(X) }sk(Terence),{hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret)}sk(X),{msecret}pk(Y),hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret),clientstring) );
read_4( Y,X, hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),{ X,pk(X) }sk(Terence),{hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret)}sk(X),{msecret}pk(Y),hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret),clientstring)),serverstring) );
claim_X1( X, Secret, msecret );
}
role Y
{
var Nx: Nonce;
var msecret: Nonce;
var pa: Params;
const Ny: Nonce;
const pb: Params;
read_1( X,Y, X,Nx,pa );
send_2( Y,X, Ny,pb,{ Y,pk(Y) }sk(Terence) );
read_3( X,Y, { X,pk(X) }sk(Terence),{hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret)}sk(X),{msecret}pk(Y),hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret),clientstring) );
send_4( Y,X, hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),{ X,pk(X) }sk(Terence),{hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret)}sk(X),{msecret}pk(Y),hash(msecret,hash(X,Nx,pa,Ny,pb,{ Y,pk(Y) }sk(Terence),msecret),clientstring)),serverstring) );
claim_Y1( Y, Secret, msecret );
}
}
untrusted Eve;
compromised sk(Eve);