Mimicry storage system-oriented file fragmentation system
A file fragmentation and storage system technology, applied in the protection of internal/peripheral computer components, instruments, electrical digital data processing, etc., can solve the problems that cannot meet the high security requirements of data, and do not have the lightweight migration requirements of storage platforms, etc., to achieve The effect of improving safety and improving efficiency
Active Publication Date: 2021-07-09
ZHEJIANG LAB
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Problems solved by technology
Traditional storage systems cannot meet the high security requirements of data
A typical mimetic storage system needs to achieve heterogeneity from hardware structure to software structure, and does not meet the lightweight migration requirements of existing storage platforms
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[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, 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.
[0021] Such as figure 1 As shown, a file fragmentation system oriented to a mimetic storage system of the present invention includes a request distribution component, a plurality of file fragmentation modules, and an arbitration component; each file fragmentation module includes a user and file verification module, a fragmentation algorithm scheduling component, a fragmentation Algorithm Execution Component, Reverse Fragmentation Algorithm Execution Component and Metadata Management Component.
[0022] The request distribution component receives the file storage or file reading command issued by the user website of the mimic storage system, copies the file ope...
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The invention discloses a mimicry storage system-oriented file fragmentation system. A file fragmentation method with an endogenous security characteristic is implemented on the basis of not changing the original storage system architecture, and the data security is improved on the basis of realizing the existing service lightweight docking the attack scene of data tampering and data engraving after fragment stealing is strongly defended, and an attacker cannot obtain greater attack benefits through priori knowledge. According to the system, algorithm isomerization is realized on different backup scenes of the same data file and different data file storage application scenes, so that an attacker cannot reduce the difficulty of data cracking through priori knowledge. In addition, according to the fragment file naming algorithm with the variable-length scrambling code feature, the integrity of the file can be verified at the file fragment level, and the efficiency of the system is improved. Therefore, the security of the data is improved on the premise of ensuring the read-write efficiency of the user.
Description
technical field [0001] The invention belongs to the technical field of encrypted storage, in particular to a file fragmentation system oriented to a mimetic storage system. Background technique [0002] Traditional data file storage systems ensure data security through local or remote data backup. With the improvement of data security awareness, in order to prevent data from being stolen, some storage systems store data in blocks. However, with the increase in computing power, the attacker's ability to use file engraving and restoration technology to repair files has also greatly improved. On the other hand, if the attacker aims to tamper with data, the attack effect can be achieved by carefully modifying some data blocks. Traditional storage systems cannot meet the high security requirements of data. A typical mimetic storage system needs to achieve heterogeneity in terms of hardware structure and software structure, and does not meet the lightweight migration requiremen...
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IPC IPC(8): G06F21/62G06F21/64G06F21/78
CPCG06F21/6209G06F21/64G06F21/78
Inventor 梁元邱启仓张宏张汝云
Owner ZHEJIANG LAB