Small and light, very easy to carry; large storage capacity, the CPU card contains a microprocessor, and the memory can be divided into several application areas, which is convenient for one card to be used for multiple purposes and easy to store; high reliability, IC card has strong anti-magnetic, anti-static, and anti-interference capabilities , higher reliability than magnetic cards; long service life, information can be read and written 100,000 times, long service life; strong confidentiality and high security, the IC card itself has hardware security settings, which can control the reading and writing of certain areas in the IC card If you try to decrypt, these areas are self-locked, that is, read and write operations are not possible. The information in the IC card cannot be copied after encryption, the password verification is wrong, and the card itself has a self-destruction function, so the data in the IC card is safe and reliable; The real-time and sensitivity requirements are low, and it can be applied in an environment with low network quality or without online connection; the reading and writing mechanism of IC card is simpler, more reliable, and cheaper than that of magnetic card. It is easy to popularize and maintain. .
(1) Manufacture of IC cards. The IC card manufacturer purchases the IC card chip card from the IC card chip manufacturer. According to the entrustment requirements of the IC card issuer, through the processes of printing, coding, bronzing, packaging, gluing, and testing, the required IC card. For example, SIEMENS in Germany is an IC card chip manufacturer. SIEMENS provides chips, and the company produces IC cards according to the requirements of customers (such as telecommunications companies) and supplies them to the society.
(2) Issuance of lC card. The issuance of IC cards is usually completed by the application department or a specific organization. After they receive the IC cards provided by the manufacturer, they will process them according to their own set of rules and issue them to qualified applicants. For example, telecommunications companies are IC card issuers, they entrust production companies to produce IC phone cards, and then purchase, plan and issue them by region. The issuance of IC cards can be divided into two processes: the initialization of the IC card and the first recharge of the IC card. The initialization of the IC card refers to the whole process of changing from a blank card (only encapsulating the chip) to a personal card, including setting the patent number and issuer number of a certain application project, identifying the reader password, access authority, etc.; IC The first recharge of the card is completed by the IC card application system personnel at the IC card recharge point, and the recorded contents include card number, card type, amount, date, operator, machine number, etc. IC card can be issued after recharging.
(3) The use of IC cards. The holder of the IC card requires the application department to perform the granted rights with the legal IC card. For example, a user who has purchased a calling card makes a phone call with an IC card.
(4) Recycling of IC cards. The recycling of IC cards means that the issued IC cards are taken back and processed by the issuing organization due to loss of use value or other reasons. This link is generally omitted, and the used IC card is handled by the user himself.