SD card data encrypting and deciphering device
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The utility model provides an SD card data encrypting and deciphering device comprising an FPGA chip, wherein the FPGA chip is connected with an SD card port, an encrypting and deciphering module, an SD card management module, a configuration register which are connected with an SD card and a serial port connected with a system main board. The SD card port is connected with the configuration register through the SD card management module, the SD card port is further connected with the encrypting and deciphering module, and the encrypting and deciphering module and the configuration register are both connected with the serial port. Compared with the prior art, the SD card data encrypting and deciphering device has the advantages of being reasonable in design, simple in structure, convenient to use and the like, effectively improves confidentiality and safety of SD card storage data, and is easy to popularize and use.