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Data processing method, device, equipment and system

A data processing device and data processing technology, applied in the field of information security, can solve the problems of data monitoring, theft, and low security of bank self-service equipment, and achieve the effect of ensuring uniqueness and security.

Active Publication Date: 2022-01-25
SHENZHEN YIHUA COMP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the data communication between the industrial control host and the cash withdrawal core and other modules is transparently transmitted, making the data easy to be monitored and stolen by bushound tools or USB analyzers, and even pretending to be the industrial control host to repeatedly send withdrawal commands to control the cash withdrawal core Illegal cash out, resulting in low security of bank self-service equipment

Method used

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  • Data processing method, device, equipment and system
  • Data processing method, device, equipment and system
  • Data processing method, device, equipment and system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] figure 1 It is a flow chart of a data processing method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation where the first module sends data to the second module and receives the data returned by the second module. This method can be processed by data device, the data processing device may consist of hardware and / or software, and be integrated in electronic equipment. Specifically include the following steps:

[0049]S110. Obtain data to be sent by the first module and an identifier corresponding to the current sending order of the first module.

[0050] The first module and the second module are two modules for data interaction in the data processing system. For example, in bank self-service equipment, the first module is the industrial control host, and the second module is the cash machine.

[0051] Exemplarily, the data to be sent by the first module includes a command and parameters corresponding to the command. Fo...

Embodiment 2

[0071] In this embodiment, the above-mentioned embodiment is further optimized, and S150 in the above-mentioned embodiment is specifically: if the identification corresponding to the sending order of the second module is the same as the identification corresponding to the current sending order of the first module, send the second module The data is processed; or, if the identification corresponding to the sending order of the second module and the identification corresponding to the current sending order of the first module meet the preset mathematical operation rules, the data sent by the second module is processed.

[0072] Assume that the identification corresponding to the current sending order of the first module is A, and the identification corresponding to the sending order of the second module is B. Optionally, the preset mathematical operation rules include the following:

[0073] B=A+N, B=A-N, B=A / N, B=A*N, where N is a natural number. Identity A and identity B can b...

Embodiment 3

[0076] This embodiment further optimizes the above-mentioned embodiment, and specifically defines "obtaining the identification corresponding to the current sending order of the first module" in the above-mentioned embodiment as "obtaining the identification corresponding to the latest sending order of the first module history; The identifier corresponding to the most recent sending order in the history of a module is increased or decreased by a unit value to obtain the identifier corresponding to the current sending order of the first module".

[0077] The most recent sending order in the history of the first module refers to the previous sending order. For example, the identification corresponding to the previous sending order is 1, then the identification corresponding to the current sending order of the first module increases or decreases the unit value on the basis of 1, such as 2, and the identification corresponding to the current sending order of the first module 3 or ...

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Abstract

The embodiment of the invention discloses a data processing method, device, equipment and system. Wherein, the data processing method includes: obtaining the data to be sent by the first module and the identification corresponding to the current sending order of the first module; using the first public key of the second module to send the data to be sent and the identification corresponding to the current sending order of the first module The identification is encrypted to obtain the first encrypted data; the first encrypted data is sent to the second module; the second encrypted data is decrypted with the second private key matching the second public key, and the identification and corresponding to the sending order of the second module are obtained The data sent by the second module; if the identification corresponding to the current sending order of the first module and the identification corresponding to the sending order of the second module meet the matching condition, the data sent by the second module is processed. The method provided by the embodiment of the present invention can guarantee the uniqueness and security of data.

Description

technical field [0001] Embodiments of the present invention relate to information security technologies, and in particular, to a data processing method, device, device, and system. Background technique [0002] Bank self-service equipment includes deposit machines, cash machines, deposit and withdrawal machines, and equipment for handling other financial services. The information security of bank self-service equipment is very important. Once the information is monitored, stolen or even illegally invaded, it will bring property losses to people and threaten social stability. [0003] In bank self-service equipment, modules with higher security requirements include cash withdrawal cores and industrial control hosts. The industrial control host sends commands to the cash withdrawal core, and the withdrawal core responds to the commands sent by the industrial control host to execute cash withdrawal actions. In the existing technology, the data communication between the indust...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60G07F19/00
CPCG06F21/602G06F21/606G07F19/206
Inventor 黄伟
Owner SHENZHEN YIHUA COMP
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