A payment terminal using a mobile communication device, such as a mobile phone
A technology of a mobile communication device and a payment terminal, which can be applied to a prepaid phone system using a credit/debit card, a prepaid phone system using a commercial credit/debit card, a prepaid phone system, etc., and can solve problems such as acceleration , to achieve the effect of improving the utility
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example 1
[0076] In this instance, according to image 3 A solution with two independent security elements 31 , 32 is described. The use of separate hardware secure elements 31, 32 simplifies authorization requirements, which are placed by the individual participants of the payment system (card issuers, clearing center operators) on the secure elements 3, 31, 32 on the storage of their sensitive data . In this example, each secure element 31, 32 is also divided into independent domains, which can be provided to different card issuers and different owners of POS terminal configuration data. The secure elements 31 , 32 are in the form of separate chips located on a circuit board, where they are connected to a controller which fulfills the role of the microcontroller 12 . Their interface towards the controller 12 is ISO 7816. The removable memory card 1 is in the form of a micro SD card. Connected to the microprocessor 12 is an ASIC (Application Specific Integrated Circuit) chip, which...
example 2
[0080] In this example a payment terminal on the platform of a removable payment card 1 of the micro SD type comparable in shape and parameters to a standard micro SD card is described. Such as figure 1 In that way, the payment card 1 has a microcontroller 12 in the form of a 32-bit microprocessor which operates on a multitasking operating system 8 - in this example a Linux system. Flash memory 2 , secure element 3 and SD interface 11 are connected to microcontroller 12 . The microprocessor 12 includes an internal EEPROM memory 10 and a boot loader unit 9 that controls unauthorized intervention in the loaded payment POS terminal application.
[0081] Flash 2 is divided into secure and unprotected sections. In the unprotected part there is a space 15 for freely accessible and visible data of the user and a space 20 for hiding system files, in particular payment transaction records processed by the payment terminal. In the secure area of the memory card there is a unit 8 h...
example 3
[0090] In this example a removable memory card 1 is described which comprises only the minimum set necessary to effect payment. Its structure is in Figure 4 displayed in . Such removable memory cards are only designed to be sold as a prepaid payment card with a pre-entered amount and are intended to be sold eg to tourists from other countries in different currencies. The removable memory card 1 comprises an interface 11 corresponding to the contacts described for micro SD. In the plastic body of the removable memory card 1 there are two security elements 31 , 32 . In the first secure element 31 there is configuration data of the POS terminal generated by the operator of the prepaid card system. In the second secure element 32 there is one-time payment card data. Together with the removable memory card 1, the commercial package also includes a paper carrier with some fields with a corresponding PIN code for managing access to the payment card. When connected to the paymen...
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