Secure delivery of configuration data of an intellectual property (IP) core includes the steps of loading configuration data for the IP core into IP core space by an IP core provider, masking portions of the IP core space not loaded with configuration data in the loading configuration data step with...http://www.google.de/patents/US7581117?utm_source=gb-gplus-sharePatent US7581117 - Method for secure delivery of configuration data for a programmable logic device