scyther/protocols/misc/tls/tls-BM-1.m4
Cas Cremers 727e813c77 Fixed obsolete notation in protocol specification files.
Not everything is fixed yet.
However, we fixed:
- 'const' -> 'fresh'
- Removed lines specifying 'runs'
- Removed some specifications of compromised Eve and its long-term keys
  being compromised.
2012-06-12 23:12:14 +02:00

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/*
* This is a model of a version of the TLS protocol as modeled in
* Boyd, Mathuria "Protocols for Authentication and key establishment"
*
* It's a very simplified form.
*/
define(`msg1',`na')
define(`msg2',`nb')
define(`kab',`hash(pmk,na,nb)')
define(`msg3a',`{ pmk }pk(B)')
define(`M1',`hash(msg1,msg2,msg3a)')
define(`msg3b',`{ M1 }sk(A)')
define(`M2',`hash(msg1,msg2,msg3a,msg3b)')
define(`msg3c',`{ M2 }kab')
define(`msg3',`msg3a,msg3b,msg3c')
define(`M3',`msg1,msg2,msg3')
define(`msg4',`{ M3 }kab')
/* below is just Scyther input and no further macro definitions */
const pk,hash: Function;
secret sk,unhash: Function;
inversekeys(pk,sk);
inversekeys(hash,unhash);
const Alice, Bob, Eve: Agent;
const Terence: Agent;
protocol tls-bm-1(A,B)
{
role A
{
fresh na: Nonce;
fresh pmk: Nonce;
var nb: Nonce;
send_1( A,B, msg1 );
read_2( B,A, msg2 );
send_3( A,B, msg3 );
read_4( B,A, msg4 );
claim_A1( A, Secret, kab );
claim_A2( A, Nisynch );
}
role B
{
var na: Nonce;
var pmk: Nonce;
fresh nb: Nonce;
read_1( A,B, msg1 );
send_2( B,A, msg2 );
read_3( A,B, msg3 );
send_4( B,A, msg4 );
claim_B1( B, Secret, kab );
claim_B2( B, Nisynch );
}
}