SSO Ticket content specification

Hi guys,

is there any specification what a SAP Logon Ticket (MYSAPSSO2 cookie) has to contain? Is it possible to create a valid MYSAPSSO2 cookie without any SAP system? That should work if the cookie contains the correct information and the SAP WAS Servers which should accept that cookie have the right certificate imported, shouldn't it? So does anyone know what this cookie does exactly contain? Are there any specs?

best regards,

Markus