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Encryption method and device, equipment and storage medium

An encryption method and encryption processing technology, which is applied in the direction of secure communication devices, usage of multiple keys/algorithms, digital data protection, etc., can solve the problem of low security of DES encryption algorithm, and achieve the effect of improving security

Pending Publication Date: 2022-04-05
CHINA UNITED NETWORK COMM GRP CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of computer computing power, 64-bit keys are relatively easy to crack, resulting in lower security of the existing DES encryption algorithm

Method used

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  • Encryption method and device, equipment and storage medium
  • Encryption method and device, equipment and storage medium
  • Encryption method and device, equipment and storage medium

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Embodiment Construction

[0076] In order to make the purpose, technical solutions and advantages of the application clearer, the technical solutions in the embodiments of the application will be clearly and completely described below in conjunction with the embodiments of the application. Obviously, the described embodiments are part of the implementation of the application. example, not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0077] For ease of understanding, the following combination figure 1 , to describe the application scenarios applicable to the embodiments of the present application.

[0078] figure 1 It is a schematic diagram of the application scenario provided by the embodiment of this application. See figure 1 , the terminal device may be provided with an encryption device. When the terminal device needs to e...

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Abstract

The invention provides an encryption method and device, equipment and a storage medium, and the method comprises the steps: obtaining to-be-encrypted data which comprises first plaintext data and second plaintext data; m first keys corresponding to the first plaintext data and M second keys corresponding to the second plaintext data are determined, and M is an integer greater than 1; performing M times of encryption processing according to the M first keys, the M second keys, the first plaintext data and the second plaintext data to obtain first ciphertext data and second ciphertext data; and carrying out merging processing on the first ciphertext data and the second ciphertext data to obtain ciphertext data corresponding to the to-be-encrypted data. And the encryption security is improved.

Description

technical field [0001] The present application relates to the technical field of data encryption, and in particular to an encryption method, device, equipment and storage medium. Background technique [0002] In the data transmission process of the mobile Internet, in order to ensure data security, the data needs to be encrypted before transmission. [0003] In related technologies, the DES encryption algorithm is often used to encrypt data. The DES encryption algorithm uses a 64-bit key to encrypt block data in units of 64 bits. The key needs to be kept secret. Only the same key can be used to decode the encrypted ciphertext data. Therefore, deciphering the DES encryption algorithm is actually searching for the encoding of the key. With the development of computer computing power, 64-bit keys are relatively easy to crack, resulting in lower security of the existing DES encryption algorithm. Contents of the invention [0004] The present application provides an encrypti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/40H04L9/14G06F21/60
Inventor 王涛钱建华陈叶能
Owner CHINA UNITED NETWORK COMM GRP CO LTD