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A data management method and system

A technology for data management and data reading, which is applied in digital data protection, digital data authentication, encryption devices with shift registers/memory, etc., and can solve problems such as ineffective protection of data security and unauthorized use by users

Active Publication Date: 2016-04-27
XIAMEN MEIYA PICO INFORMATION
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  • Summary
  • Abstract
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Problems solved by technology

[0007] Aiming at the deficiencies of the prior art, the present invention proposes a data management method and system to solve the problems that the prior art cannot effectively protect data security and use by unauthorized users

Method used

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  • A data management method and system
  • A data management method and system
  • A data management method and system

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Embodiment Construction

[0044] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0045] refer to figure 1 , showing a flow chart of the first embodiment of the data management method of the present invention, including the following steps:

[0046] S11, the authorizing party generates a corresponding license authorization file license.dat according to the received machine code of the user terminal device.

[0047] S12. Obtain a corresponding private key according to the license authorization file license.dat.

[0048] S13. Encrypt the data for requesting storage by using the first encryption algorithm and the private key to obtain the first ciphertext.

[0049] S14. Randomly select a second encryption algorithm through the license authorization file license.dat to encrypt the first ciphertext to obtain a sec...

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Abstract

The invention provides a method and a system of data management, wherein the method includes that a corresponding authorization document is generated according to a user machine code; a corresponding private key is obtained according to the authorization document; data which are required to be stored by a user are encrypted through a first encryption algorithm and the private key so as to obtain a first ciphertext; according to the authorization document, a second encryption algorithm is randomly selected to encrypt the first ciphertext, and a second ciphertext is obtained and stored in a data storing device. According to the method and the system of the data management, data security can be effectively protected and usage of an unauthorized user can be avoided by that double encryption of the data is carried out, and the private key is bound with the machine code of an authorized terminal device, wherein the private key is offered by a authorization user.

Description

technical field [0001] The present invention relates to data management, in particular, to a data management method and system. Background technique [0002] Data resources are composed of a large amount of data, which is the key basic data to support the operation of a specific system, such as the virtual account database in the public opinion system, the password dictionary database in the password cracking system, the virus signature database in the antivirus software, and the IP address in the regional query system. Area mapping library and telephone area database in telephone inquiry system, etc. Among them, one of the sources of data resources is through the purchase of data resources provided by specialized commercial organizations, and commercial organizations will authorize and encrypt data resources before selling them. [0003] In the prior art, the methods of authorization and encryption of data resources and the existing problems are as follows: [0004] First...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F21/62G06F21/31H04L9/06
Inventor 庄进发吴鸿伟
Owner XIAMEN MEIYA PICO INFORMATION
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