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A method for tracing the source of relational data

A relational and data-based technology, applied in relational databases, database models, structured data retrieval, etc., can solve problems such as the difficulty of tracing the source of data leakage

Active Publication Date: 2020-07-14
HANGZHOU SHIPING INFORMATION & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

And since data is often shared with multiple parties, it can be difficult to trace the source of a data breach

Method used

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  • A method for tracing the source of relational data
  • A method for tracing the source of relational data

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Embodiment Construction

[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0024] In the method for tracing the source of relational data in the present invention, before sharing the relational data with others, different watermark information is formed respectively according to the shared persons, and embedded into the relational data. Share the relational data embedded with the watermark to the corresponding shareees respectively. When a data leak occurs, the watermark information is extracted from the leaked data to confirm the source of the leak.

[0025] The method of embedding watermark information into relational data is as follows:

[0026] Step S1) Encode the watermark information W to obtain its binary representation W b . There are many ways to encode, such as encoding by QR code or directly using the UTF-8 encoding of the string.

[0027] Step S2) Judging whether the watermark encoding length is great...

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Abstract

The invention discloses a method for tracing relational data. The method comprises the following steps: firstly, respectively forming different watermark information according to a shared person and embedding the watermark information into the relational data; then, respectively sharing the relational data embedded with the watermarks to the corresponding shared persons; and finally, when data leakage occurs, extracting watermark information from the leaked data so as to confirm a leakage source. According to the method, before the relational data is shared to other people, different watermarkinformation is formed according to the shared person and embedded into the relational data, and the source of data leakage can be effectively traced by tracing the relational data.

Description

technical field [0001] The invention belongs to the field of data traceability, and in particular relates to a method for traceability of relational data. Background technique [0002] With the widespread use of databases and the gradual rise of data sharing, the problem of data leakage is becoming more and more serious. And because data is often shared with multiple parties, it can be difficult to trace the source of a data breach. If there is a method that can be traced back to the source of data leakage and widely used, it will form a deterrent to data leakers and alleviate the problem of data leakage. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned problems in the prior art and provide a method for tracing the source of relational data. By embedding watermark information into relational data and extracting the watermark from the relational data, the source of data leakage can be traced. [0004] In order to achi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/16G06F16/28
CPCG06F16/284G06F21/16
Inventor 王世晞张亮刘涛李娇娇
Owner HANGZHOU SHIPING INFORMATION & TECH
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