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Card security

With the expansion of card applications, on magnetic card technology, in particular security technology can not meet the increasing demand for applications with high security requirements. Previously on the card application security technology, such as watermarking technology, holographic technology, precision magnetic recording technology, with the passage of time its relative security has been greatly reduced. The basic principle of working on their own "card number" to identify the different cards, so relatively open, card in the card reader, and relatively easy to copy.

IC card (chip card) is identified by a chip on the key parameter. IC card in use, must be through bi-directional keys with read-write device-specific certifications. Out of the box, first initialize the IC card (cryptographic); also is required to be delivered by IC card issuance systems, the user card will generate its own system dedicated key.