Jukka Alve

System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state

Enforcing authorized domains with domain membership vouchers

Enforcing geographic constraints in content distribution

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

Method and system for content distribution

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

Proximity enforcement in heterogeneous network environments

Content protection scheme for a digital recording device

System and method for securely installing a cryptographic system on a secure device

Method, apparatus and computer program product for providing protected content to one or more devices by reacquiring the content from a service