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Recovery method and recovery device of registry deleted data

A technology for deleting data and restoring methods, which is applied to the redundancy in the operation for data error detection, electrical digital data processing, special data processing applications, etc. The effect of sex and accuracy

Active Publication Date: 2013-05-08
XIAMEN MEIYA PICO INFORMATION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some recovery methods mentioned on the Internet are realized through backup or system restore. These methods have relatively large limitations, and some changes after backup will be overwritten.

Method used

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  • Recovery method and recovery device of registry deleted data
  • Recovery method and recovery device of registry deleted data
  • Recovery method and recovery device of registry deleted data

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Embodiment Construction

[0040] 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.

[0041] Before introducing the technical solution of the present invention in detail, first introduce the structure of the registry (Registry) file of the Windows system, see figure 1 A schematic diagram of the overall structure of the prior art registry shown, and figure 2 The schematic diagram of the structure of hbin in the prior art shown: a registry file is composed of a registry header (Registry Header) followed by each hbin (Hive Bin), and each hbin is followed by a header (Hive Bin Header) Each Cell is composed of each cell, and each Cell is composed of a length (Cell Lenth) and a data (Cell Data).

[0042] The data stored in Cell Data mainly includes two structures: key records (NK) and value records (VK). Each NK corre...

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PUM

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Abstract

The invention provides a recovery method and a recovery device of registry deleted data. The recovery method of registry deleted data comprises the following steps: acquiring unused space of registry files according to values of CellLength in the registry files, marking the unused space using Cell in the deleted data, storing the achieved unused space, and recovering deleted registry data from the unused space of the registry files. According to the recovery method of registry deleted data, on the condition that data are not written into a registry when a registry key is deleted, the deleted registry key can be recovered 100%, integrity of a directory structure can be guaranteed, and integrity and accuracy of recovered data are guaranteed to a large extent. The recovery method of registry deleted data provides solutions for the loss of the registry data caused by misoperations or vicious operations.

Description

technical field [0001] The invention relates to the fields of information security and computer applications, in particular to a method and device for recovering deleted data from a registry. Background technique [0002] The registry is the core database of the operating system after Windows95. Various parameters are stored in the table, which directly controls the startup of Windows, the loading of hardware drivers, and the normal operation of some Windows applications. If the registry is damaged for some reason, the lighter ones will cause abnormalities in the Windows startup process, and the more serious ones may cause the complete paralysis of the entire Windows system. [0003] However, in real life, the loss of registry data due to misoperation or malicious operation often occurs. Therefore, it is very important for Windows users to restore registry deleted data when the above problems occur. [0004] For the recovery of deleted data from the registry, there are re...

Claims

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Application Information

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IPC IPC(8): G06F11/14G06F17/30
Inventor 沈长达林艺滨钱镜洁
Owner XIAMEN MEIYA PICO INFORMATION
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