Sequence password generation method, data encryption method and data decryption method

A sequence cipher and password generator technology, applied in the field of data processing, can solve the problems of low randomness of the key sequence, multiple hardware resources and time, and low encryption efficiency, and achieve simple and fast decryption process, strong randomness, and improved The effect of encryption efficiency

Active Publication Date: 2020-07-28
卓尔智联(武汉)研究院有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Existing stream encryption algorithms such as RC4 stream encryption method are too complex, consume more hardware resources and time, and

Method used

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  • Sequence password generation method, data encryption method and data decryption method
  • Sequence password generation method, data encryption method and data decryption method
  • Sequence password generation method, data encryption method and data decryption method

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[0089] In order to make the purpose, technical solutions, and advantages of this application clearer, the following further describes this application in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the application, and not used to limit the application.

[0090] In one embodiment, such as figure 1 As shown, a serial password generation method is provided, which is applied to figure 1 The terminal in FIG. 1 is taken as an example for description. It can be understood that the method can also be applied to a server, and can also be used in a system including a terminal and a server, and is implemented through interaction between the terminal and the server. In this embodiment, the method includes the following steps:

[0091] Step 102: Obtain and initialize key parameters.

[0092] In practical applications, the key parameters refer to the parameters used to generate t...

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Abstract

The invention relates to a sequence password generation method and device, computer equipment and a storage medium. The method comprises the following steps of: acquiring and initializing a key parameter, generating a random integer pair according to the key parameter, performing sequence encoding on the random integer pair by adopting a preset Fibonacci standard encoder to obtain a Fibonacci standard formula bit string, and performing logic OR operation bit by bit based on the Fibonacci standard formula bit string to generate a sequence password. The sequence password can be simply and quickly generated on the premise of meeting the Golomb randomness hypothesis, and the data security is higher. The data encryption method and device, the computer equipment, the storage medium, a data decryption method and device, computer equipment and a storage medium. According to the data encryption and decryption scheme, data encryption and decryption can be simpler and faster, and consumption of hardware resources and processing time is reduced.

Description

technical field [0001] The present application relates to the technical field of data processing, and in particular to a serial cipher generation method, device, computer equipment and storage medium, a data encryption method, device, computer equipment and storage medium, and a data decryption method, device, computer equipment and storage medium . Background technique [0002] Sequence cipher is also called stream cipher (Stream Cipher), which is a kind of symmetric cipher algorithm. Sequence cipher has the characteristics of simple implementation, easy hardware implementation, fast encryption and decryption processing speed, no or only limited error propagation, etc. Therefore, it maintains advantages in practical applications, especially in special or confidential institutions. [0003] There are two main symmetric encryption methods in modern cryptography, stream encryption and block encryption. Among them, stream encryption is to use an algorithm and a key to generat...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L9/06
CPCH04L9/065H04L9/085H04L9/0866H04L9/0869
Inventor 吴良顺
Owner 卓尔智联(武汉)研究院有限公司
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