1. Definition of IC card and ID card for access control system

The full name of IC card is Integrated Circuit Card, also known as Smart Card. It can read and write, has large capacity, has encryption function, reliable data recording, and is more convenient to use, such as all-in-one card systems and consumer systems. PHILIPS's Mifare series card.

The full name of the ID card is the identification card, is a non-writable proximity card with a fixed number, mainly in the EM format of SYRIS in Taiwan, China, HID, TI, MOTOROLA and other types of ID cards in the United States.

2. Why does the IC card have to be initialized (ie, encrypted), but the ID card is not needed

1. When the IC card is in use, it must pass the unique two-way key authentication between the IC card and the reading and writing device before relevant work can be carried out, so that the entire system has a very high security guarantee. Therefore, it must be The IC card is initialized (that is, encrypted, the purpose is to generate an uncrackable key for the all-in-one card system in the IC card after it leaves the factory to ensure the security issuance mechanism of the all-in-one card system.

2. After the IC card is initialized and encrypted, when it is handed over to the user, the customer uses the IC card issuing system to generate the key of each user card in his own system. This ensures that user cards issued in other user systems cannot be used in this system , To ensure the specificity of the system, thereby ensuring the safe use of the system.  

3. The ID card is the same as the magnetic card. It only uses the "card number". Except for the card number, the card does not have any security function. The "card number" is public and exposed. So the ID card is an "inductive magnetic card", There is no need to talk about the need or not to initialize at all.

4. Why doesn't the initialization process be left to the user to do, this is because:

1) If it is initialized by the user, it cannot prevent cheating by the internal personnel of the user. Because when the user uses the all-in-one card system, if an employee uses a card purchased from the society to initialize at will, he can issue a household card that can only be used by the household at will, even You can recharge the card at will for consumption, which will not only cause serious cheating consequences, but also cause serious loopholes in the security of the all-in-one card system.

2) In addition, if the user buys a low-quality factory card and initializes it himself, but it cannot be used on the system, it will cause poor performance or paralysis of the system, which will cause unclear responsibility for the accident.

3) The initialization process is carried out by the manufacturer. It is mainly the basic requirement of the IC card security key authentication mechanism and the rules of the IC card system integrator. Just like the urban public transportation IC card, these cards will be used every time before handing over to the public transportation system. The key of a card must be factory-encrypted and controlled.

4) If the initialized key fob is lost due to the lack of professional management by the user, the user and the manufacturer will not be able to re-use the card. Therefore, the manufacturer does the initialization work to ensure safety.

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