scyther/protocols/misc/compositionality-examples/th-1par2.spdl

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2007-05-17 16:28:10 +01:00
const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
const P1;
const P2;
protocol nsl3th1(I,R)
{
role I
{
const ni: Nonce;
var nr: Nonce;
send_1(I,R, {P1,I,ni}pk(R) );
read_1b(R,I, {nr}pk(I) );
read_2(R,I, {P1,ni,nr,R}pk(I) );
send_3(I,R, {P1,nr}pk(R) );
claim_i(I,Nisynch);
}
role R
{
var ni: Nonce;
const nr: Nonce;
read_1(I,R, {P1,I,ni}pk(R) );
send_1b(R,I, {nr}pk(I) );
send_2(R,I, {P1,ni,nr,R}pk(I) );
read_3(I,R, {P1,nr}pk(R) );
claim_r(R,Nisynch);
}
}
const Eve: Agent;
untrusted Eve;
const ne: Nonce;
compromised sk(Eve);
protocol nsl3th2(I,R)
{
role I
{
const ni: Nonce;
var nr: Nonce;
send_1(I,R, {P2,I,ni}pk(R) );
read_1b(R,I, {nr}pk(I) );
read_2(R,I, {P2,ni,nr,R}pk(I) );
send_3(I,R, {P2,nr}pk(R) );
claim_i(I,Nisynch);
}
role R
{
var ni: Nonce;
const nr: Nonce;
read_1(I,R, {P2,I,ni}pk(R) );
send_1b(R,I, {nr}pk(I) );
send_2(R,I, {P2,ni,nr,R}pk(I) );
read_3(I,R, {P2,nr}pk(R) );
claim_r(R,Nisynch);
}
}
const Eve: Agent;
untrusted Eve;
const ne: Nonce;
compromised sk(Eve);