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Data encryption method with repetitive data deleting function and system thereof

A technology of data deduplication and data encryption, which is applied in transmission systems, electrical components, etc., can solve the problem of overall security disappearing

Inactive Publication Date: 2012-12-05
INVENTEC GRP TIANJIN ELECTRONICS TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this existing technology is quick to implement and easy to manage, once this key is obtained by someone who wants to, it will make the overall security disappear

Method used

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  • Data encryption method with repetitive data deleting function and system thereof
  • Data encryption method with repetitive data deleting function and system thereof
  • Data encryption method with repetitive data deleting function and system thereof

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Experimental program
Comparison scheme
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Embodiment Construction

[0034] Below in conjunction with accompanying drawing, structural principle and working principle of the present invention are specifically described:

[0035] Please refer to figure 2 As shown, it is a schematic diagram of the structure of the present invention. The present invention includes a client 210 and a server 220 . The client 210 can be connected to the server 220 through the Internet or an intranet, and the client 210 and the server 220 can also be run on the same computer device. The deduplication program 211 and the first encryption / decryption program 212 run on the client 210 , while the second encryption / decryption program 221 runs on the server 220 . The client 210 performs data segmentation processing by the deduplication program 211 on the input file. The first encryption / decryption program 212 and the second encryption / decryption program 221 can be but not limited to RSA, DES, 3DES, IDEA, AES or RC (Rivest Code).

[0036] When the client 210 is performi...

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PUM

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Abstract

The invention relates to a data encryption method with a repetitive data deleting function and a system thereof. The data encryption method comprises the steps as follows: a repetitive data deleting program is run by a client side to generate segmentation data blocks; each client side is provided with a first key respectively; the first key is used to encrypt the segmentation data blocks and generate corresponding ciphertext data; the ciphertext data is transmitted to a service side; the corresponding first key is looked-up from an encryption look-up list by the service side; the ciphertext data is reduced into segmentation data blocks through the first key; the reduced segmentation data blocks are developed into storage data by the client side through a second key; the storage data is reduced into the segmentation data blocks by the service side through the second key, and the segmentation data blocks are encrypted into ciphertext data by the service side through the corresponding first key; and the ciphertext data is transmitted to the corresponding client side by the service side.

Description

technical field [0001] The invention relates to a data encryption method and system thereof, in particular to a data encryption method and system for deduplication data. Background technique [0002] Data deduplication (De-duplication) is a data reduction technology, which is usually used in disk-based backup systems, and its main purpose is to reduce the storage capacity used in the storage system. It works by looking for duplicate variable-sized chunks of data at different locations in different files over a certain period of time. Duplicated data blocks are replaced with indicators. Because the storage system is always filled with a large amount of redundant data. In order to solve this problem and save more space, the "duplication deletion" technology has naturally become the focus of attention. Using "deduplication" technology can reduce the stored data to 1 / 20 of the original, so as to allow more backup space, not only can save the backup data on the storage system ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
CPCH04L63/0435H04L63/0464H04L29/06
Inventor 刘威陈志丰
Owner INVENTEC GRP TIANJIN ELECTRONICS TECH