Data stream encryption method, data stream decryption method

An encryption method and data stream technology, applied in the field of information security, can solve the problems of low security, slow computing speed, and easy to be broken, and achieve the effect of ensuring security, improving encryption level, and reducing the amount of computing data.

Active Publication Date: 2020-11-27
无锡润盟软件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When encrypting data streams such as video and audio, the current encryption methods include software encryption, data segmentation encryption, real-time CPU transfer, etc., but there are still low security and easy to be broken, or high security but The problem of slow operation speed

Method used

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  • Data stream encryption method, data stream decryption method
  • Data stream encryption method, data stream decryption method
  • Data stream encryption method, data stream decryption method

Examples

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Embodiment Construction

[0069] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0070] Please refer to figure 1 , which shows a flowchart of a data stream processing method provided by an embodiment of the present invention. The data stream processing method is suitable for information exchange terminals. Optionally, the terminal is an electronic device such as a mobile phone, a tablet computer, an e-book reader, an MP3 player, an MP4 player, a desktop computer, and a portable computer. The terminal can encrypt and decrypt the data stream.

[0071] Such as figure 1 As shown, the data stream processing method may include the following steps:

[0072]In step 101, the first terminal obtains a basic cipher.

[0073] In step 102, the first terminal generates a cipher curve according to the basic cipher.

[0074] ...

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PUM

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Abstract

The present invention discloses a data stream encryption method, and a data stream decryption method, belonging to the field of information safety. The data stream decryption method comprises the steps of: obtaining basic encrypted elements; according to the basic encryption elements, generating an encrypted element curve, wherein the encrypted element curve comprises a plurality of encryption encrypted elements, the number of the encryption encrypted elements is identical with the number of arrays in the original data stream, and the first encryption encrypted element in the encrypted elementcurve is not a square number; employing the encryption encrypted elements to perform encryption of the arrays in the original data stream to obtain an encryption data stream; and sending the encryption data stream, allowing a first terminal and a second terminal to use the same basic encrypted elements. The problem is solved that the encryption speed is low or safety is not high when the data stream is encrypted, different encryption encrypted elements are used for each digit in the data stream to perform encryption, each encryption encrypted element is determined according to the basic encrypted elements so that a known encryption encrypted element is employed not to obtain other encryption encrypted elements, and therefore, the encryption grade can be improved while reduction of the operation data size, and the safety of the data stream is ensured.

Description

technical field [0001] The embodiments of the present invention relate to the field of information security, and in particular, to a method for encrypting a data stream and a method for decrypting a data stream. Background technique [0002] A data stream is a set of sequential, massive, fast, and continuous arriving data sequences. A data stream can be regarded as composed of several arrays. [0003] With the rapid development of electronic information technology, more and more data are transmitted through the network. In order to ensure the security of data during network transmission, it is necessary to encrypt the data. When encrypting data streams such as video and audio, the current encryption methods include software encryption, data segmentation encryption, real-time CPU transfer, etc., but there are still low security and easy to be broken, or high security but The problem of slow operation speed. Contents of the invention [0004] In order to solve the problems...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
CPCH04L63/0428H04L63/06
Inventor 霍建军孙太国
Owner 无锡润盟软件有限公司
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