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An encrypted communication method, device, and system

A communication method and key technology, applied in the field of communication, can solve problems such as poor security, and achieve the effects of high processing efficiency and high communication security

Active Publication Date: 2021-09-07
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current encryption communication method mainly has the following problems: the chat between the communication parties cannot be differentially encrypted, and it can be easily analyzed when copied to all similar communication devices or communication protocols, and the security is poor

Method used

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  • An encrypted communication method, device, and system
  • An encrypted communication method, device, and system

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Embodiment Construction

[0074] In order to make the purpose, technical solution and advantages of the present invention more clear, the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined arbitrarily with each other.

[0075] The steps shown in the flowcharts of the figures may be performed in a computer system, such as a set of computer-executable instructions. Also, although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in an order different from that shown or described herein.

[0076] The main idea of ​​the embodiment of the present invention is: during the communication process, both parties of the communication terminal create a chat protocol according to the identity (ID) information of the other party, and negotiate the key u...

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PUM

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Abstract

This article discloses an encrypted communication method, including: the receiving end receives a key and data from the sending end, the key is a key created by the sending end according to the identity ID information negotiated with the receiving end, and the data The data encrypted by the key for the sending end; the receiving end stores the key in a safe area, and stores the data in a common area; the receiving end uses the key for the The data is decrypted. The invention also discloses a sending end device, a receiving end device and a system for encrypted communication, which realizes that there is only one pair of keys between a pair of terminals, and only the communication parties can decrypt the communication data. Differentiated encryption, and the key can only be resolved by the two parties in the communication, no need to build a server, just read the local data when decrypting the data, not only the communication security is high, but also the processing efficiency is high.

Description

technical field [0001] The invention relates to communication technology, in particular to an encrypted communication method, device and system. Background technique [0002] In modern society, communication technology has penetrated into every aspect of people's life and has become a very important part of people's daily life. In order to ensure the information security of both communication parties, the communication information needs to be encrypted. [0003] The current encryption communication method mainly has the following problems: the chat between the communication parties cannot be differentially encrypted, and it can be easily parsed when copied to all similar communication devices or communication protocols, and the security is poor. Contents of the invention [0004] In order to solve the above technical problems, the present invention provides an encryption communication method, device, and system, which can realize differentiated encryption of data transmis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L9/08
CPCH04L9/0866H04L63/0428H04L63/06H04L9/40
Inventor 樊忠虎李姣张迪
Owner ZTE CORP
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