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Nor Flash security storage method, apparatus and device

A technology for safe storage and equipment, applied in the direction of internal/peripheral computer component protection, etc., can solve the problems of low encryption and decryption efficiency, poor confidentiality, and consumption of processor resources, so as to improve read and write efficiency, improve confidentiality, and avoid consumption Effect

Inactive Publication Date: 2018-09-04
COMBA TELECOM SYST CHINA LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a Nor Flash secure storage method, device and equipment for the traditional Flash secure storage technology that consumes processor resources, has low encryption and decryption efficiency, stores data content in plain text, and has poor confidentiality.

Method used

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  • Nor Flash security storage method, apparatus and device
  • Nor Flash security storage method, apparatus and device
  • Nor Flash security storage method, apparatus and device

Examples

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Embodiment Construction

[0051] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. A preferred embodiment of the invention is shown in the drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present invention will be thorough and complete.

[0052] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to and integrally integrated with the other element, or there may be an intervening element at the same time. The terms "establish", "disconnect", "active", "inactive" and similar expressions are used herein for the purpose of description only.

[0053] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by...

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PUM

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Abstract

The invention relates to a Nor Flash security storage method. The method comprises the steps of detecting a permission of accessing a security encryption storage region of a Nor Flash by a processor;when the permission is detected to be effective, establishing a connection between a data line of the processor and the security encryption storage region, and performing displacement processing on one end of a data line pin, connected with the security encryption storage region, of the data line; and when the permission is detected to be ineffective, breaking the connection between the data lineof the processor and the security encryption storage region. When the permission is effective, the one end of the data line pin, connected with the security encryption storage region, of the data lineis subjected to the displacement processing, so that encrypted writing and decrypted reading of the security encryption storage region are realized, the consumption of processor resources is avoided,the read-write efficiency of data security storage is improved, encrypted storage of data contents is realized, and secrecy is improved.

Description

technical field [0001] The present invention relates to the technical field of safe storage, in particular to a Nor Flash safe storage method, device and equipment. Background technique [0002] Nor Flash is a non-volatile memory used to store programs and data, widely used in various electronic devices. Since the Nor Flash interface follows a unified standard, in addition to online reading and writing through the processor, it can also be read and written through offline programming / readers. The data it stores is not encrypted, making it vulnerable to hackers online, or maliciously copied or altered. [0003] In order to improve the security of data storage, the research and application of secure storage technology has been paid more and more attention. However, during the implementation process, the inventors found at least the following problems in the traditional technology: the traditional Flash secure storage technology consumes processor resources, the encryption an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/79
CPCG06F21/79
Inventor 贾克明
Owner COMBA TELECOM SYST CHINA LTD
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