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- Added BAN modified version of andrew-ban.

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ccremers 2004-08-30 14:17:11 +00:00
parent 02041cfbab
commit 4b3de5f9fb
1 changed files with 50 additions and 0 deletions
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spdl/andrew-ban.spdl Normal file
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usertype SessionKey;
const pk: Function;
secret sk: Function;
secret k: Function;
inversekeys (pk,sk);
protocol andrewBan(I,R)
{
role I
{
const ni: Nonce;
var nr: Nonce;
var kir: SessionKey;
send_1(I,R, I,ni );
read_2(R,I, {ni,kir,I}k(I,R) );
send_3(I,R, {ni}kir );
read_4(R,I, nr );
claim_5(I,Nisynch);
claim_6(I,Secret, kir);
claim_7(I,Secret, k(I,R));
}
role R
{
var ni: Nonce;
const nr: Nonce;
const kir: SessionKey;
read_1(I,R, I,ni );
send_2(R,I, {ni,kir,I}k(I,R) );
read_3(I,R, {ni}kir );
send_4(R,I, nr );
claim_8(R,Nisynch);
claim_9(R,Secret, kir);
claim_10(R,Secret, k(I,R));
}
}
const Alice,Bob,Eve: Agent;
untrusted Eve;
const ne: Nonce;
const kee: SessionKey;
compromised sk(Eve);
run andrewBan.I(Agent,Agent);
run andrewBan.R(Agent,Agent);
run andrewBan.I(Agent,Agent);
run andrewBan.R(Agent,Agent);