Patent ID: 6249869
Filing Date: 2001-06-19
Classification: G06Q,G07F

Abstract:
An integrated circuit card comprising a memory storing service data relating to at least two services, the integrated circuit card to be used with a secure application module that contains service data relating to at least one of the at least two services, wherein:at least part of the memory comprises data in file structures within one directory including at least a first file and a second file;the service data for each service is grouped together in a service slot;each service slot is divided into a profile part and a data part;each profile part has a slot number, comprises an application identifier, and is arranged to function as an authorization mechanism;each data part comprises data related to a given service, and a service identifier to identify a service type;the first file comprises the profile part of all of the service slots;the second file comprises at least a portion of the data part of all of the service slots; andthe memory stores at least one key to protect write access to each service slot in the first and second files.