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- Added protocol.

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ccremers 2004-08-30 14:30:17 +00:00
parent 4b3de5f9fb
commit f5548b82cc
1 changed files with 49 additions and 0 deletions
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spdl/ccitt509-ban.spdl Normal file
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usertype Data;
const pk: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol ccitt509(I,R)
{
role I
{
const xi,yi: Data;
const ni: Nonce;
var nr: Nonce;
var yr,xr: Data;
send_1(I,R, I,{ni, R, xi, {yi}pk(R) }sk(I) );
read_2(R,I, R,{nr, I, ni, xr, {yr}pk(I) }sk(R) );
send_3(I,R, I,{R,nr}sk(I) );
claim_4(I,Secret,yi,yr);
claim_5(I,Nisynch);
}
role R
{
var xi,yi: Data;
var ni: Nonce;
const nr: Nonce;
const yr,xr: Data;
read_1(I,R, I,{ni, R, xi, {yi}pk(R) }sk(I) );
send_2(R,I, R,{nr, I, ni, xr, {yr}pk(I) }sk(R) );
read_3(I,R, I,{R,nr}sk(I) );
claim_7(R,Secret,yi,yr);
claim_8(R,Nisynch);
}
}
const Alice,Bob,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const de: Data;
compromised sk(Eve);
run ccitt509.I(Agent,Agent);
run ccitt509.R(Agent,Agent);
run ccitt509.I(Agent,Agent);
run ccitt509.R(Agent,Agent);