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Multi-terminal message encryption transmission method and system

A technology for encrypting transmission and messages, applied in transmission systems, digital transmission systems, and key distribution, it can solve problems such as security risks and key leakage, avoid attack risks, improve data transmission security, and reduce the risk of attack interception. Effect

Active Publication Date: 2021-06-04
北京云中融信网络科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As the above-mentioned method is becoming more and more common, communication between multiple terminals has a very large security risk
[0004] The existing solution to improve security performance is to store the key required for communication in the server during multi-terminal communication, and multiple terminals synchronize the key through the server. However, this solution has the risk of key leakage when the server is attacked

Method used

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  • Multi-terminal message encryption transmission method and system
  • Multi-terminal message encryption transmission method and system
  • Multi-terminal message encryption transmission method and system

Examples

Experimental program
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Embodiment 1

[0062] figure 1 It shows a schematic flowchart of a multi-terminal message encrypted transmission method provided by an embodiment of the present invention. The method is applied to multiple terminal groups, each terminal group corresponds to a user, and at least one terminal group includes multiple terminals.

[0063] The terminal may include any terminal device such as a computer (personal computer), a mobile phone, a tablet computer, a PDA (Personal Digital Assistant, personal digital assistant), and a vehicle-mounted computer.

[0064] For example, in an IM (Instant Messaging, instant messaging) system, the first terminal group A corresponding to the first user may include terminal A1, terminal A2, etc., and the second terminal group B corresponding to the second user may include terminal B1, terminal B2, etc. Wait. When the first user A communicates with the second user B, when a terminal in the second terminal group B sends a communication message to the first user A, ...

Embodiment 2

[0166] Image 6 A schematic structural diagram of a multi-terminal message encryption transmission system provided by an embodiment of the present invention is shown. The multi-terminal encrypted message transmission system 400 includes multiple terminal groups, and at least one terminal group in the multiple terminal groups includes multiple terminals.

[0167] Specifically, such as Image 6 As shown, the multi-terminal message encryption transmission system 400 may include a first terminal group 410 and a second terminal group 420 , the first terminal group 410 may include a plurality of terminals 411 , and the second terminal group 420 may include a plurality of terminals 411 .

[0168] In some other embodiments, the first terminal group 410 may further include one terminal 411 , and the second terminal group 420 may include multiple terminals 411 . In some other embodiments, the first terminal group 410 may include multiple terminals 411 , and the second terminal group 4...

Embodiment 3

[0178] Figure 7 A schematic structural diagram of a multi-terminal message encryption transmission device provided by an embodiment of the present invention is shown. The multi-terminal message encryption transmission apparatus 500 is applied to multiple terminal groups, and at least one terminal group includes multiple terminals.

[0179] The multi-terminal message encryption transmission device 500 includes a first exchange module 510 , a first encryption module 520 , a second exchange module 530 , a second encryption module 540 , a first decryption module 550 and a second decryption module 560 .

[0180] The first exchanging module 510 is configured to exchange a first key between a first terminal of a first terminal group and a second terminal of a second terminal group randomly selected by the first terminal.

[0181] The first encryption module 520 is used for the first terminal to encrypt a communication message according to the first key, and to send the encrypted co...

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Abstract

The present invention discloses a multi-terminal message encrypted transmission method and system, the method comprising: exchanging a first key between a first terminal of a first terminal group and a second terminal of a second terminal group randomly selected by the first terminal; The terminal encrypts the communication message according to the first key, and sends the encrypted communication message to all terminals in the second terminal group; all other terminals in the second terminal group except the second terminal exchange the second terminal with the second terminal. key; the second terminal encrypts the first key according to the second key, and sends the encrypted first key to all other terminals; all other terminals encrypt the encrypted first key according to the exchanged second key Decrypt to obtain the first key; all terminals in the second terminal group decrypt the communication message according to the first key. The invention can realize the encryption and decryption between different terminal groups, and improve the security of data transmission.

Description

technical field [0001] The present invention relates to the technical field of terminal security, in particular to a multi-terminal message encryption transmission method and system. Background technique [0002] With the increasing development of social science and technology, the Internet of information connects everything, and every aspect of life is inseparable from the Internet. In particular, the rapid development of the mobile Internet of Things in recent years has brought about earth-shaking changes in people's production and lifestyle. Due to the development of communication technology and the popularization of smart terminals, terminals play an increasingly important role in users' lives. Users can interact, shop, play games, etc. through terminals. [0003] With the improvement of people's living standards, users are often not limited to interacting with other users through a terminal. For example, users can communicate online at the same time through terminals s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L9/08
CPCH04L9/0822H04L63/0428H04L63/061H04L63/065
Inventor 赵炳东杜立召李淼杨攀
Owner 北京云中融信网络科技有限公司
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