Two-way authentication system between user's smart card and issuer-specific plug-in application modules in multi-issued transaction device
First Claim
1. A program module for use in equipment of the type accepting personal identification devices each device having identification data for selecting the program module and means for authenticating the selected program module, wherein said equipment includes a first interface means for receiving said personal identification devices and for generating first data signals corresponding to the stored identification data;
- a second interface means with at least one connector means for detachably receiving said program module; and
processor means for transferring authenticating instructions between said personal identification device and the selected program module connected to said connector means;
said program module comprising;
a module microprocessor for generating and receiving said authenticating instructions to and from said personal identification device;
module connector means for connecting said module microprocessor to said connector means for communication with said processor means;
a module program for operating said module microprocessor; and
program means for authenticating said personal identification device.
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Accused Products
Abstract
A transaction terminal for use with diverse credit or other transaction cards is provided with an interface unit for receiving a plurality of modules, wherein each module contains programming information corresponding to transactions that may be carried out with at least one of the diverse identification cards presented to the machine. Accordingly, financial institutions who issue cards can independently arrange and program their own security and transaction routines which are to be carried out with the cards and distribute such routines in a secure manner for use on a common terminal.
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Citations
1 Claim
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1. A program module for use in equipment of the type accepting personal identification devices each device having identification data for selecting the program module and means for authenticating the selected program module, wherein said equipment includes a first interface means for receiving said personal identification devices and for generating first data signals corresponding to the stored identification data;
- a second interface means with at least one connector means for detachably receiving said program module; and
processor means for transferring authenticating instructions between said personal identification device and the selected program module connected to said connector means;
said program module comprising;a module microprocessor for generating and receiving said authenticating instructions to and from said personal identification device; module connector means for connecting said module microprocessor to said connector means for communication with said processor means; a module program for operating said module microprocessor; and program means for authenticating said personal identification device.
- a second interface means with at least one connector means for detachably receiving said program module; and
Specification