Mauri Kangas

A process for encryption and decryption of a bit stream containing digital information

System and method for using DRM to control conditional access to broadband digital content

System and method for using DRM to control conditional access to DVB content

Device for storing and playing back digital content and method of bookmarking digital content

Identifying secret data messages in a one-direction multipoint network

System and method for key distribution and network connectivity

Method for controlling different conditional access systems sending video, audio and data services and a receiver using the method

Video signal decoder system

Digital video broadcasting receiver

Method for identification of secret data messages in a uni-directional multipoint network using cyclic redundancy checks