Smart Cards

Smart-card technology (copared with maganetic card)

2020-04-20 14:26:31 M&W SmartCard 7

M&W Smart Card

M&W Smart Card

Why is smart-card so favorite by people? The reasons are: firstly, because of its high security feature; Secondly, because it can provide more services than magnetic card.

M&W Smart Card

  1. Smart-card is very convenient for use.

  2. Smart-card has CPU.(with calculation function)

  3. Smart-card has program.(for multi-use)

  4. Read-only memory.(high security)

M&W Smart Card

 There are many security measures in smart-card technology. The distinct difference between magnetic and smart-card is its excellent attestation function.

  1. Smart-card is very difficult for replicating.(high cost for fabricating)

  2. Data in smart-card is secured, because of its encryption function.

  3. Smart-card can carry out offline spot-attestation that makes it very easy for finding out illegal use.

M&W Smart Card

 There is password in smart-card , and more, the password is encrypted. But as to magnetic card, it is not the same.

Password is stored in smart-card - this made it possible for offline attestation.

 Recently, smart-card catches customers attention because of its large memory which make smart-card can store more relative information of card owner, and its removable feature which means very convenient for using. In a word, smart-card can avoid illegal using effectively by its sufficient attestation function.

M&W Smart Card

 Magnetic card attestation system send password through network to central data center. And then, check whether it is right or not. If the password is correct, the attestation is approved. In brief, magnetic card can only carry out attestation under online situation.

M&W Smart Card

M&W Smart Card

M&W Smart Card

M&W Smart Card

The distinct difference between magnetic card and smartcard is that smart card can use CPU and Co-Processor to encrypt the data in it, besides CPU calculation function.
I/O of data in smartcard and encryption function by OS.

M&W Smart Card

M&W Smart Card

Put smartcard into magnetic field generated by R/W, the coil in it will generate current which make smartcard start to work.

M&W Smart Card

M&W Smart Card

M&W Smart Card

M&W Smart Card



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