What are the uses of smart cards?

From a functional point of view, the use of smart cards can be classified into the following four points:

1. Identity recognition-use the built-in microcomputer system to perform mathematical calculations on the data to confirm its uniqueness.

2. Payment tool-the built-in counter is replaced with currency, bonus points, etc., digital data.

3. Encryption/Decryption-With the rapid development of the Internet, the utilization rate of e-commerce has also grown significantly. Some manufacturers said that the most important thing for online consumption is the authenticity of identity, the integrity of data, the undeniable and legality of transactions. With cryptographic mechanisms such as DES, RSA, MD5, etc., in addition to increasing the security of the card, offline operations can also be used to reduce communication costs on the network.

4. Information-due to the popularity of GSM mobile phones, the demand for SIM cards has increased greatly, and the technological development of smart cards has been accelerated, making mobile phones extend from the original simple phone function to today's network connection and other functions. Its information storage function enables it to have a wide range of commercial applications such as:

Personal financial records

Bank competition is becoming increasingly fierce. In order to increase customer loyalty and attract more new customers to join, banks have introduced various bonus schemes and improved customer service systems. With the use of smart cards, not only can it reach 24 hours a day Free transfer function, and can reduce the time of writing procedures for bankers and customers. Many banks have already issued smart cards in the market, and the two major credit card groups, MasterCard and VISA, are about to replace smart cards.

Medical records

Once the health insurance card is ICized, personal medical records can be stored in the chip. No matter which hospital you visit, you can know your personal medical condition. The doctor can immediately know the patient's medical record, and the patient can also be exempted from the time to fill in the report. , And reduce the maintenance cost of hospital medical records. In addition, the national ID card can also be ICized, and all personal identification information such as fingerprints, birthdays, and personal files can be stored in the chip. It can also be used as a passport. Singapore and Malaysian governments have begun to use it.

Access control

Access control is very important for companies and schools. In addition to being used for general access control management, smart cards can also store small sums for consumption in cooperation with general stores to improve the functionality of the card. For example, a British access control system manufacturer will use the original The smart card used on the access control can also be applied to the cash machine, which combines the functions of the access control and the electronic wallet.