Patent · US Expired

Secured method for loading a plurality of applications into a microprocessor memory card

US5473690A · kind A · utility

209Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 25, 1993
Grant dateDec 5, 1995
Priority date
Expiry dateOct 25, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG07C9/21
  • WIPO fieldIT methods for management
  • WIPO sectorElectrical engineering

Abstract

A method for loading and managing a plurality of applications in a memory of a chip card, the method including: recording a chart of applications in the memory of the chip card which associates a password and a memory space with a name for i) each of the plurality of applications and ii) at least one user application on that application; recording a chart of data tables in the memory of the chip card, the chart of data tables including a plurality of records, each of the plurality of records associating a name for each of the plurality of applications with a name for at least one data table of that application; recording a chart of rights in the memory of the chip card, the chart of rights associating for each of the plurality of applications, the name for the at least one data table thereof with i) the name for each of the plurality of applications, and user applications thereof, that are capable of using the at least one data table thereof and ii) a set of rights granted to the plurality of applications, and user applications thereof, which are capable of using the at least one data table thereof; and giving permission for management of data elements contained in a table of data …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.