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Method and device of generating fingerprint database and method and device of fingerprint matching of text to be tested

A fingerprint library and fingerprint technology, applied in the information field, can solve the problems that confidential text blocks cannot evenly cover the sequence of confidential text blocks, and the detection accuracy is low

Inactive Publication Date: 2013-06-19
航天神洁(宁夏)科技发展有限公司
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  • Abstract
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Problems solved by technology

[0008] In view of this, the embodiment of the present invention provides a method and device for generating a fingerprint library to improve the situation in the prior art that the confidential text blocks in the confidential text fingerprints cannot evenly cover the entire sequence of confidential text blocks
Correspondingly, the embodiment of the present invention also provides a fingerprint matching method and device for the text to be tested to solve the problem of low detection accuracy in the prior art when the text to be tested is detected

Method used

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  • Method and device of generating fingerprint database and method and device of fingerprint matching of text to be tested
  • Method and device of generating fingerprint database and method and device of fingerprint matching of text to be tested

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Embodiment Construction

[0054] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. 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.

[0055] In the process of realizing the present invention, the inventor deeply analyzed the prior art and found that the reasons for the poor detection rate in the prior art are:

[0056] Refer to attached figure 2 , when generating confidential text fingerprints, perform hash value modulo operations on the confidential text blocks A, B, C, D, E,...

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Abstract

The invention discloses a method and a device of generating fingerprint database and a method and a device of fingerprint matching of texts to be tested. The method of generating fingerprint database includes: obtaining a plurality of confidential texts; and generating corresponding fingerprint of the confidential text according to each of the confidential texts respectively. According to the technical scheme provided by the invention, the certainty of the fingerprint of the selected confidential text can be guaranteed and the position of the selected confidential text block can be ensured to cover the whole first sequence evenly, so that the detection rate of the confidential text block can be guaranteed on a high level.

Description

technical field [0001] The invention relates to the field of information technology, in particular to a method and device for generating a fingerprint library, and a method and device for matching fingerprints of text to be tested. Background technique [0002] While commercial companies obtain conveniences such as productivity improvement and cost reduction through information systems, they are also facing increasing information security risks. While information systems are facing various security threats such as viruses, Trojan horses, and network attacks, data leakage from within the system has gradually become a problem that needs more attention. Data breaches expose commercial companies to multiple threats to intellectual property, property, security, privacy, and regulatory compliance. In this context, DLP (Data Loss Prevention, data leakage prevention), as an independent security technology field, has played an increasingly important role in preventing data loss with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00
Inventor 王晓锋
Owner 航天神洁(宁夏)科技发展有限公司
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