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File transfer method, apparatus, system and computer storage medium

A file transmission and file download technology, applied in the field of communications, can solve the problems of low information transmission efficiency and low information transmission security, and achieve the effect of improving transmission efficiency and security.

Active Publication Date: 2022-04-19
SHENZHEN LONGRISE SCI & TECH
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Problems solved by technology

[0003] The main purpose of the present invention is to provide a file transmission method, device, system and computer storage medium, aiming to solve the technical problems of low information transmission efficiency and low information transmission security

Method used

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  • File transfer method, apparatus, system and computer storage medium
  • File transfer method, apparatus, system and computer storage medium
  • File transfer method, apparatus, system and computer storage medium

Examples

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no. 4 example

[0098] Further, on the basis of the first embodiment of the present invention, a fourth embodiment of the file transmission method of the present invention is proposed. The fourth embodiment of the file transmission method of the present invention is applied to the first terminal. The file transmission in this embodiment Methods include:

[0099] Step S70, when receiving a file download request triggered by a user, sending the file download request to a server, so that the server forwards the file download request to each second terminal.

[0100] When the first terminal receives the file download request triggered by the user, the first terminal sends the file download request to the server, so that the server forwards the file download request to each second terminal.

[0101] Step S80, receiving the ciphertext fragments transmitted by the second terminal, decrypting the ciphertext fragments, obtaining file fragments, and fragmentation position identifiers corresponding to t...

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Abstract

The present invention relates to the field of communication technology. The present invention discloses a file transmission method, comprising the following steps: when receiving a file download request sent by a first terminal, obtaining a file identifier corresponding to the file download request, and according to the file Determine whether the distributed transmission condition is met by the identification; when the distributed transmission condition is met, determine the second terminal according to the file identification, and the segment location identification corresponding to the second terminal; combine the file download request with the segment The fragment location identifier is associated and forwarded to the second terminal, so that the second terminal determines the file fragment according to the file download request and the fragment location identifier, and encrypts and transmits the file fragment to the first terminal. The invention also discloses a file transmission device, system and computer storage medium. The invention ensures the safety and high efficiency of file transmission.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a file transmission method, device, system and computer storage medium. Background technique [0002] With the rapid development of communication technology, the use of the Internet for information transmission has become more and more common; common information transmission may have important information leakage, slow information transmission speed and other problems, the current information transmission is affected by the network environment, information transmission The efficiency and safety of the system cannot be effectively guaranteed. Contents of the invention [0003] The main purpose of the present invention is to provide a file transmission method, device, system and computer storage medium, aiming at solving the technical problems of low information transmission efficiency and low information transmission security. [0004] To achieve the above object,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/06H04L67/1074H04L9/40
CPCH04L67/06H04L67/108H04L63/18H04L63/0428
Inventor 邹明星
Owner SHENZHEN LONGRISE SCI & TECH
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