scyther/gui/Protocols/ISO-9798/isoiec-9798-3-1.spdl

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2012-11-15 11:10:06 +00:00
/*
* Modeled from ISO/IEC 9798
* Modeler: Cas Cremers, Dec. 2010
*
* signature
* one-pass
* unilateral
*/
const Cert: Function;
protocol isoiec-9798-3-1(A,B)
{
role A
{
fresh TNA: Nonce;
fresh Text1,Text2: Ticket;
claim(A,Running,B,TNA,Text1);
send_1(A,B, Cert(A),TNA,B,Text2, { TNA, B, Text1 }sk(A) );
}
role B
{
var TNA: Nonce;
var Text1,Text2: Ticket;
recv_1(A,B, Cert(A),TNA,B,Text2, { TNA, B, Text1 }sk(A) );
claim(B,Commit,A,TNA,Text1);
claim(B,Alive);
claim(B,Weakagree);
}
}