Patent ID: 6308268
Filing Date: 2001-10-23
Classification: G06Q,G07F

Abstract:
Portable electronic device for secure communication with at least one electronic unit for use of a plurality of functions, including:data storage means,interface means with at least one external tool for loading data into said storage means,data processing means including initialization means for enabling, in response to the application of a secret personalizing access code specific to said device, modification of said specific secret personalizing access code and loading of personalizing data into said storage means,first loading means controlled by said specific secret personalizing access code for loading into said storage means reprogrammable particular secret data respectively representative of different particular secret personalizing access codes, each said particular secret personalizing access code being assigned to personalizing in said device a particular one of said functions,second loading means controlled by said particular secret personalizing access codes for loading into said storage means particular personalizing data assigned to the implementation of said functions by said processing means, andinhibitor means for authorizing, for each said functions, only in response to the application of one said particular secret personalizing access codes already assigned to said function, (i) modification of one said reprogammable particular secret data loaded into said storage means and representative of said particular secret personalizing access code and (ii) said loading of said particular personalizing data.