A File Fragmentation System Oriented to Mimetic Storage System
A file fragmentation and storage system technology, applied in the protection of internal/peripheral computer components, instruments, calculations, etc., can solve the problems that cannot meet the high security requirements of data, do not have the storage platform lightweight migration requirements, etc., to improve security , the effect of improving efficiency
Active Publication Date: 2022-02-22
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] like 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 operat...
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The invention discloses a file fragmentation system oriented to a mimetic storage system. On the basis of not changing the original storage system architecture, a file fragmentation method with endogenous security features is realized, and on the basis of realizing lightweight docking of existing services , can improve data security, and has strong defense against data tampering and data carving after stealing fragments, and attackers cannot obtain greater attack benefits through prior knowledge. The present invention realizes the isomerization of algorithms in different backup scenarios of the same data file and storage application scenarios of different data files, so that attackers cannot reduce the difficulty of data cracking through prior knowledge. In addition, the fragmented file naming algorithm with the feature of variable-length scrambling codes proposed by the present invention can verify the integrity of the file at the file fragmentation level and improve the efficiency of the system. Therefore, the present invention improves data security on the premise of ensuring the user's reading and writing efficiency.
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