METHOD OF BOOTING A CONTROL UNIT IN AN ELECTRONIC ARTICLE SURVEILLANCE SYSTEM AND CONTROL UNIT FORMING PART OF SUCH A SYSTEM

摘要

The present disclosure provides a method of loading a program into a processing unit in an electronic article surveillance system. The method comprises the steps of booting the processing unit by providing a startup signal from a controller, providing at least a portion of a control program from a first memory unit to the processing unit in encrypted form, providing a decryption key to the processing unit from a second memory unit, and decrypting said portion of the control program.