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A data detection method, device and device for data detection

A data detection and data technology, applied in the network field, can solve the problems of high delay and large transmission volume, and achieve the effect of reducing transmission volume and avoiding excessive transmission delay

Active Publication Date: 2022-03-22
HUAKONG TSINGJIAO INFORMATION SCI BEIJING LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, n comparison results need to be returned correspondingly, which will lead to a large transmission volume, and may cause excessive delay when the bandwidth is small

Method used

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  • A data detection method, device and device for data detection
  • A data detection method, device and device for data detection
  • A data detection method, device and device for data detection

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] method embodiment

[0040] refer to figure 1 , shows a flow chart of the steps of a data detection method embodiment of the present invention, the method can be applied to the server, and the server holds the first data [k 1 , k 2 ,...,k n ], the m data in the first data is a data group, and the m is an integer not less than 2 and not greater than the n, and the method includes the following steps:

[0041] Step 101, receiving the target dat...

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Abstract

Embodiments of the present invention provide a data detection method, device and device for data detection. In this method, by dividing the first data into data groups, for each data group, combined with the target coefficient, the detection result of the ciphertext corresponding to each data group is generated through the target coefficient and the target data provided by the client, and returned to the client . Compared with the prior art where the detection results of the second data y relative to each first data are returned to the client, n detection results need to be returned correspondingly. In the embodiment of the present invention, by dividing the data groups according to m, the number of detection results that the server needs to return is the number of data groups. Since m is not less than 2, that is, the number of data groups is less than n, therefore, to a certain extent The number of detection results to be transmitted by the server can be reduced, thereby reducing the transmission volume, and avoiding the problem of excessive transmission delay caused by a small bandwidth.

Description

technical field [0001] The invention relates to the field of network technology, in particular to a data detection method, device and device for data detection. Background technique [0002] At present, when one party holds n pieces of first data, the other party holds second data and neither party wants to disclose the specific information of the data held, if it is necessary to detect whether the second data exists in the first data . [0003] In the existing method, the second data of the ciphertext is often sent to the first data owner, and the first data owner compares the second data of the ciphertext with each first data respectively, and then the second data The comparison result with the ciphertext of each first data is returned to the client. In this way, n comparison results need to be returned correspondingly, which will lead to a large transmission volume, and may cause a problem of excessive delay when the bandwidth is small. Contents of the invention [0...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/60H04L9/00H04L9/40
CPCG06F21/602H04L9/008H04L63/0428
Inventor 昝晓鹏黄熹之李艺
Owner HUAKONG TSINGJIAO INFORMATION SCI BEIJING LTD