Data processing device and data processing method thereof
A data processing device and data processing technology, applied in the field of information security, can solve the problem that the data processing device cannot guarantee the security of data transmission, and achieve the effect of ensuring security
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Embodiment 1
[0069] see figure 1 , Embodiment 1 of the present invention provides a data processing method of a data processing device, and the specific steps are as follows:
[0070] Step 101: establish a connection with the host computer and perform initialization;
[0071] Specifically, the data processing device establishes a connection with the host computer through a USB interface;
[0072] Step 102: Declare to the upper computer that it is a device conforming to the CCID interface standard;
[0073] Wherein, the data processing device can declare itself as a device conforming to the CCID interface standard in the form of a device type descriptor, specifically including: the data processing device sends a CCID type device descriptor to the host computer, and the host computer receives the CCID type device description After the identifier, according to the device descriptor of the CCID type, identify the device to establish a connection with it as a CCID device;
[0074] Step 103: ...
Embodiment 2
[0135] see Image 6 , Embodiment 2 of the present invention provides a data processing device, the data processing device includes: a USB interface module 201, a first communication module 202, a first judgment module 203, an analysis module 204, a second judgment module 205, a dynamic password Module 206, processing module 207, encryption module 208, decryption module 209, group package module 210, the third judging module 211, the second communication module 212, card slot module 213, power supply module 214; The concrete functions of above-mentioned each module are as follows:
[0136] USB interface module 201: connected to the first communication module 202, used for establishing a connection between the data processing device and the host computer;
[0137] The first communication module 202: connected with the USB interface module 201, the first judging module 203, and the grouping module 210, for receiving the data sent by the upper computer to the data processing devic...
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