Data leakage prevention and data authenticity verification method for archival data ferry
A verification method and anti-leak technology, applied in user identity/authority verification and key distribution, can solve the problems of large packing and unpacking time, consumption of storage space, low efficiency, etc., to prevent data leakage, ensure data security, and realize automatic The effect of the ferry process
Active Publication Date: 2020-11-17
南京珥仁科技有限公司
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Problems solved by technology
[0005] In addition, when the number of files is large, the efficiency of copying files in and out by a single file unit will be very low. The common practice is to package the files and process them in units of file packages.
But packaging a large number of files into one package will consume a lot of packaging and unpacking time, and also consume additional storage space
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[0057] In order to better understand the technical content of the present invention, specific embodiments are given together with the attached drawings for description as follows.
[0058] combine figure 1 , the present invention proposes a data leakage prevention and data authenticity verification method for archival data ferry, said method comprising the following steps:
[0059] S1, at least one data output party performs encryption and index generation processing on the archive data files to be ferried, and according to the corresponding relationship between the data output party and the data input party, generates several groups for encrypting multiple randomly generated encryption and decryption keys The final archive data file is integrated into a ferry data packet of a binary data file and a metadata packet for indexing the ferry data packet, and the ferry data packet and the metadata packet encrypted with the public key of the corresponding data input party are sent t...
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The invention discloses a data leakage prevention and data credibility verification method for file data ferry. The method comprises the following steps that: a data output party performs encryption and index generation processing on a file data file to be ferried to generate a plurality of groups of ferry data packets and metadata packets for indexing the ferry data packets; and the data input party selects the ferry data packet and the encrypted metadata packet corresponding to the data input party, verifies and decrypts the encrypted metadata packet by adopting a private key, divides the ferry data packet in combination with the metadata packet to obtain a plurality of encrypted archive data files, and verifies and decrypts the encrypted archive data files. According to the invention, file data on the mobile storage medium can only be acquired and used by an authorized user during data ferry, data leakage is prevented, and data safety is ensured; an automatic ferry process in a multi-terminal scene is realized, and human participation factors are reduced; the unpacking process is avoided, extra storage space is not increased, and the data ferry efficiency is effectively improved.
Description
technical field [0001] The invention relates to the technical field of file data ferrying, in particular to a data leak prevention and data authenticity verification method for file data ferrying. Background technique [0002] There are various networks in the real world. Some networks are connected to each other and some are isolated from each other. There are logical isolation and physical isolation. For logically isolated networks, data exchange between two logically isolated networks can generally be performed through various network security devices, such as using a gatekeeper. This exchange method is generally online. For physically isolated networks that cannot exchange data online, the following method is usually used: copy data from a certain device in a network to a mobile storage medium, and then copy the data on the mobile storage medium On a device connected to another network, the two physically isolated networks exchange data in an offline transfer mode throu...
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IPC IPC(8): H04L9/08H04L9/32H04L29/06
CPCH04L9/0869H04L9/3247H04L63/123
Inventor 杨志高温贤强
Owner 南京珥仁科技有限公司