Security certification and encryption method and system of multi-application noncontact-type CPU card
A security authentication and non-contact technology, applied in the field of CPU cards, can solve the problem of easy interception of user data or key information, and achieve the effect of enhancing security and ensuring high security
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[0049] Such as figure 1 As shown, a non-contact CPU card one-card multi-application security authentication and encryption system is shown, which includes a CPU card 11, a card reading device 12 and a control device 13, and the card reading device 12 includes a front-end information reading module 14 and a rear Terminal information decryption module 15, front-end information reading module 14 is used for radio frequency receiving the encrypted user identity information of CPU card 11, wherein, CPU card 11 radio frequency sends encrypted user identity information, the front-end information reading module in card reading device 12 14 receives the encrypted user identity information, and sends it to the back-end information decryption module 15 in a serial communication manner, which decrypts the user identity information, and sends it to the control device 13 in a Wiegand manner, and the control device 13 receives the decrypted user identity information. Identity information and...
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