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Digital signal encryption processing method

A digital signal and encryption processing technology, applied in digital transmission systems, secure communication devices, and key distribution, can solve problems such as the need to improve security and increase the difficulty of data decryption, so as to increase the difficulty of cracking and solve the problems of poor confidentiality and security Effect

Active Publication Date: 2016-08-17
SICHUAN TELUNTE TECH
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  • Abstract
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Problems solved by technology

[0004] With the evolution of the encryption algorithm, the group encryption algorithm encrypts the data in groups, which increases the difficulty of data decryption. However, a fixed encryption algorithm and key are used for encryption. After the encryption algorithm and key are determined, the plaintext and the password form a corresponding relationship , can be cracked by brute force methods such as brute force method, and the security needs to be improved

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  • Digital signal encryption processing method
  • Digital signal encryption processing method

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Embodiment Construction

[0046] figure 1 It shows a system for realizing encrypted transmission of digital signals in the present invention. The system includes a digital signal encryption sender 1 and a digital signal decryption receiver 2 .

[0047]Wherein, the digital signal encryption sending end 1 includes: a data grouping unit 11, which segments the digital signal to be encrypted to generate a segmented digital signal; a key generation unit 12, which is used to generate a personal key; a key storage unit 13, which uses For storing personal keys; data encryption unit 14, utilizes encryption algorithm and described personal key to encrypt described segmentation digital signal, obtains the segmentation digital signal after encryption; Segment digital signal packaging unit 15, described The encrypted segmented digital signal is packaged to obtain an encrypted segmented digital signal block; the data sending module 16 is configured to send the encrypted segmented digital signal block to the digital ...

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Abstract

The invention discloses a digital signal encryption processing method, which concretely comprises the following steps of S1, collecting user biological features and generating a personnel secret key; S2, segmenting a digital signal, and using the personnel secret key and an encryption algorithm for encrypting the segmented digital signal; S3, packaging the segmented digital signal and transmitting the signal to a digital signal decryption receiving end; S4, performing decryption by the digital signal decryption receiving end to obtain an original segmented digital signal, and combining the original segmented digital signal to obtain an original digital signal. The method can realize high-safety and high-reliability digital signal transmission.

Description

Technical field [0001] The invention relates to a digital signal encryption processing method. Background technique [0002] The development of information network technology has provided great convenience for people. But at the same time, cyber crimes are also increasing, and information security issues have gradually become the focus of people's attention. At present, with the popularity of remote management methods for high-end servers, it is becoming more and more common to use clients to remotely manage servers. Compared with the general website login authentication mechanism, the server login authentication mechanism has higher security requirements. For example, in the process of direct data transmission between the client and the server, some key data will be leaked in plain text, such as the user name and password of the server administrator. Therefore, encrypted transmission is required. [0003] Data encryption, also known as cryptography, refers to the conversi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L29/06
CPCH04L9/0822H04L9/0866H04L9/0869H04L63/0861
Inventor 李博白曜华刘绍飞
Owner SICHUAN TELUNTE TECH
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