Check patentability & draft patents in minutes with Patsnap Eureka AI!

Encryption-decryption method and device of digital communication

A technology for encryption, decryption, and data, which is applied in wireless communication, security devices, electrical components, etc., can solve problems such as low security, and achieve the effect of improving security

Active Publication Date: 2018-10-09
SPREADTRUM COMM (SHANGHAI) CO LTD
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the prior art, a fixed key is used for encryption and decryption communication. Because the encryption and decryption form is relatively simple, the security is not high.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Encryption-decryption method and device of digital communication
  • Encryption-decryption method and device of digital communication
  • Encryption-decryption method and device of digital communication

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] The present invention provides a digital communication encryption and decryption method, which is applied to the sending end, such as figure 1 As shown, the method includes:

[0049] S11. Divide the plaintext data to be sent into pre-processing data and post-processing data;

[0050] S12. Perform a compound operation on the preproces...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention provides an encryption-decryption method and device of digital communication. The method comprises that plaintext data to be sent is divided into pre-processing data and post-processingdata; compound operation is carried out on the pre-processing data and first secret key information to generate a first process secret key; the first process secret key is used to encrypt the post-processing data to generate first encryption data; compound operation is carried out on the first encryption data and the first secret key information to generate a second process secret key; the secondprocess secret key is used to encrypt the pre-processing data to generate second encryption data; and the first and second encryption data are combined to form complete encryption data, and the complete encryption data is sent to a receiving end. Thus, digital communication can be safer.

Description

technical field [0001] The invention relates to the technical field of digital communication, in particular to a digital communication encryption and decryption method and device. Background technique [0002] With the rapid development of wireless communication technology, communication security is becoming more and more important. The field of communication security generally involves radio communication, microwave relay communication, satellite communication, telemetry and various data transmissions. In these technical fields, information processing Decryption technology is the core technology of communication security; the so-called encryption is the process of converting readable information called "plaintext" into "ciphertext"; and decryption is the process of restoring "ciphertext" to "plaintext". Through information encryption and decryption technology, people's requirements for keeping their own information and some related materials confidential in network activiti...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H04L29/06H04W12/02
CPCH04L63/0478H04W12/02
Inventor 吕和胜许丰徐敬周
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com