... difference is the existence of the CPU and the use of ROM. In the CPU card, ROM is masked with the chip’s operating system which executes the commands issued by the terminal, and returns the corresponding ... successfully authenticate him/herself to the CPU, data kept on the card could not be retrieved. Therefore, even when a smart card is lost, the data stored inside the card will not be exposed if the data ... card structure.Other than the security aspects, developers should determine the number of directory and elementary files required. They should gather all the files that require the same level...