System and method for implementing PC / SC interface of HID / SCSI apparatus
A device and interface technology, applied in the system field of realizing HID/SCSI device PC/SC interface, can solve problems such as spending a lot of time and energy, difficult to maintain, cumbersome process, etc., to enhance flexibility and scalability, modification and maintenance. simple effect
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Embodiment 1
[0065] The embodiment of the present invention provides a system for realizing the PC / SC interface of the HID / SCSI device. In this embodiment, the system is specifically a computer 1, wherein the HID / SCSI device is specifically described by taking USB Token as an example, wherein the USB Token is a hardware device with USB (Universal Serial BUS, Universal Serial Bus) interface. And the USB Token has a built-in protocol processor, no need for a separate card reader, as long as it is inserted into the USB interface of the computer, keyboard and monitor, the USB Token can be used. see figure 1 ,in,
[0066] The computer 1 includes: a servo module 11, a PC / SC drive module 12, a device management module 13, and an application program module 14;
[0067] The USB Token 2 includes: a USB interface module 21 , a protocol processing module 22 , and a smart card chip module 23 . As mentioned above, the USB Token 2 is a HID / SCSI interface device;
[0068] The functions of the above fu...
Embodiment 2
[0089] Such as figure 2 As shown, the embodiment of the present invention provides a system for accessing multiple USB Tokens by using different servo modules. The difference from Embodiment 1 is that in this embodiment, the servo module 11 includes multiple servo functions library unit.
[0090] The computer 1 implements data communication with multiple USB Tokens by calling different servo function library units, and each servo function library unit includes its own independent HID protocol processing area and SCSI protocol processing area.
[0091] Such as figure 2 As shown, in this embodiment, the first servo function library unit is associated with USB Token1, the second servo function library unit is associated with USB Token2, and the third servo function library unit is associated with USB Token3. The servo module 11 calls different servo function library units Perform data communication with different USB Tokens respectively.
[0092] Correspondingly, the functio...
Embodiment 3
[0095] see image 3 , the embodiment of the present invention provides a device for realizing the PC / SC interface of the HID / SCSI device, corresponding to the system provided in Embodiment 1 of the present invention, the device includes: a servo module 11, a PC / SC drive module 12, and a device management module 13. Application program module 14; the functions of the above functional modules will be described in detail below:
[0096] The servo module 11 is used to report the information of the USB Token 2 to the PC / SC driver module, and provide a channel for data interaction between the upper and lower modules. The servo module is located in the application layer of the device. Wherein, the servo module 11 may specifically include: a servo function library unit 111 and a monitoring unit 112:
[0097] The servo module 11 obtains the information of the HID / SCSI device (the present embodiment is specifically the information of the USB Token 2) and realizes data interaction by ca...
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