Patent ID: 11907931
Assignee: SHENZHEN GOODIX TECHNOLOGY CO., LTD.
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 9:
10. The method according to claim 9, wherein the method further comprises:
decrypting, by the card management system in the secure chip, the contactless operation command through a serial peripheral interface SPI2;
transmitting, by the card management system in the secure chip, the decrypted contactless operation command to a memory of the secure chip through a direct memory access (DMA) controller;
wherein the sending, by the card management system in the secure chip, the feedback information to the near field communication controller, comprises:
transmitting the feedback information in the memory of the secure chip to a register of the serial peripheral interface SPI2 through the DMA controller;
encrypting the feedback information through the serial peripheral interface SPI2; and
sending the encrypted feedback information to the near field communication controller.