Data file restoration and password cracking system

A data file and file technology, which is applied in the field of computer systems, can solve problems such as insufficient functions and insufficient success rate, and achieve high reliability, high efficiency reliability, and high repair success rate.

Inactive Publication Date: 2005-11-23
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, WordRecovery is only used to repair Word and other OFFICE files, and Advanced Zip Repairer is only used to repair ZIP files, its functions are not powerful enough, and the success rate of its file repair is not high enough

Method used

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  • Data file restoration and password cracking system

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Embodiment Construction

[0022] like figure 1 As shown, the system includes three modules: GUI module, common file repairing module and common encrypted file cracking module. The GUI module is respectively connected with the damaged file preprocessing sub-module, the damaged file repair sub-module and the common encrypted file cracking module of the common file repair module. The damaged compressed file preprocessing submodule of the damaged file preprocessing submodule, the damaged image file preprocessing submodule and the damaged OFFICE file preprocessing submodule are respectively the damaged compressed file repairing submodule of the damaged file repairing submodule , The damaged image file repair sub-module is connected with the damaged OFFICE file repair sub-module. The GUI module receives the user's command information, and the GUI transmits the information to different modules according to the different types of user information. If the file is to be repaired, the information is passed to th...

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Abstract

The invention relates to a data file recovery and password decoding system in the field of information technique. It comprises GUI module, active spoil file recovery module and active confidential file decoding module. Active spoil file recovery module does spoil position and spoiling rate identification and recovering to each type spoil active file; confidential file decoding module quickly decodes active confidential file; GUI module receives user's information and chooses the needed module, the order to decode confidential file; active confidential file decoding module decodes the order of confidential file and transforms the result to GUI module.

Description

technical field [0001] The invention relates to a computer system used in the field of information technology, in particular to a data file repairing and password cracking system. Background technique [0002] With the rapid development of computer and communication technology, information security has become an important issue in the current information age. In the field of information security, information security service is an important service consulting industry, and the restoration of damaged files is an important content in the field of information security services. Here, file repair means that due to logical reasons of data, it is visible to the operating system, but the corresponding application cannot explain it reasonably and correctly, resulting in situations such as "the file cannot be opened due to corruption" or garbled characters after opening. Error, recalculate CRC checksum, correct incorrect format and other means to solve it. Because users often encou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/14
Inventor 李建华李生红李翔祝佳付二社
Owner SHANGHAI JIAO TONG UNIV
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