Apparatus and method for authenticating transmitted an interactive information system applications.

AN INTERACTIVE PROGRAM EXECUTABLE COMBINED WITH AUDIO AND VIDEO DATA FOR TRANSMISSION. The program is divided into modules (40,41), SIMILAR TO A COMPUTER FILES AND ESTABLISHING A directory module linking program modules. SAFETY IS PROVIDED FOR APPLYING EXECUTABLE (52,53,54) ACCOMPANIED BY A CERTIFICATE SIGNED FOR RESPECTIVE DIRECTORS MODULES. INTEGRITY OF THE RESPECTIVE MODULOS is monitored by the partition (46) RESPECTIVE MODULES AND INCLUDING (50) VALUES MATCHES IN RESPECTIVE directory module. A PARTY OF VALUE directory module containing the other parties CREATES VALUES (46), ENCRYPTION (51) AND LINKED (53.54) DIRECTORY module. In a receiver the certificate is decoded and verifies the authenticity of the supplier. If the certificate is AUTHENTIC THE PROGRAM CAN BE EXECUTED but only if VALUES GENERATED BY PARTIES RECEIVER MODULES RESPECTIVE VALUES PROGRAM ALOS IDENTICAL MATCHES ARE RELEVANT that are contained in the directory module.