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- This is required as well.

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ccremers 2004-03-10 07:19:27 +00:00
parent 5d9e893a44
commit 120113fe21
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spdl/bkepk-ce2.spdl Normal file
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/*
Bilateral Key Exchange with Public Key protocol (BKEPK)
Version from Corin/Etalle: An Improved Constraint-Based System for the Verification of Security Protocols.
Tried to stay as close as possible to compare timing results.
*/
usertype Key;
const pk,hash: Function;
secret sk: Function;
inversekeys (pk,sk);
protocol bkepk(A,B,testnonce)
{
role B
{
const nb: Nonce;
var na: Nonce;
var kab: Key;
send_1 (B,A, B,{ nb,B }pk(A) );
read_2 (A,B, { hash(nb),na,A,kab }pk(B) );
send_3 (B,A, { hash(na) }kab );
}
role A
{
var nb: Nonce;
const na: Nonce;
const kab: Key;
read_1 (B,A, B,{ nb,B }pk(A) );
send_2 (A,B, { hash(nb),na,A,kab }pk(B) );
read_3 (B,A, { hash(na) }kab );
}
role testnonce
{
var n: Nonce;
read_4 (A,A, n);
}
}
const Alice,Bob,Eve;
compromised sk(Eve);
run bkepk.A(Alice,Bob,Alice);
run bkepk.A(Alice,Bob,Alice);
run bkepk.A(Alice,Bob,Alice);
run bkepk.B(Alice,Bob,Alice);
run bkepk.B(Alice,Bob,Alice);
run bkepk.B(Alice,Bob,Alice);
run bkepk.testnonce(Alice,Bob,Alice);
run bkepk.testnonce(Alice,Bob,Alice);
run bkepk.testnonce(Alice,Bob,Alice);