Message encryption and decryption method and device, electronic equipment and computer readable storage medium

Abstract

The invention provides a message encryption and decryption method and device, electronic equipment and a computer storage medium. The method comprises the steps that plaintext information to be encrypted is acquired; each message block included in the plaintext information is encrypted in sequence according to the positive sequence to obtain ciphertext information; Encryption processing comprisesthe following steps: determining t encryption factors according to a processing factor generation function, processing the message block by using a first encryption factor according to an order from 1to t, and sequentially using an i encryption factor to i -i encryption factor. Processing a result obtained by processing one decryption factor to obtain t processing results; Outputting the t processing result as a target ciphertext of the message block; Wherein i = 2, 3... t; When the ciphertext information is decrypted, each message block included in the ciphertext information is sequentially decrypted according to an inverted sequence, so that plaintext information is obtained through decryption; The decryption processing principle is the same as the encryptionprocessing principle, and the security is high.

Description

technical field [0001] The present disclosure relates to the technical field of information security, and more specifically, to a message encryption and decryption method, device, electronic equipment, and computer-readable storage medium. Background technique [0002] With the development of the Internet industry, encryption and decryption application scenarios are becoming more and more diverse. Traditional block cipher algorithms and sequence cipher algorithms are difficult to meet diverse applications, and in diverse application scenarios, security is difficult to be guaranteed. [0003] To sum up, how to design new cryptographic algorithms to adapt to wider applications and provide higher security is an urgent problem to be solved by those skilled in the art. Contents of the invention [0004] The purpose of the present disclosure is to provide a message encryption and decryption method, which can solve the technical problem of how to provide an encryption and decrypt...

AI Technical Summary

Problems solved by technology

[0002] With the development of the Internet industry, encryption and decryption application scenarios are becoming more and more diverse. Traditional block cipher algorithms and sequence cipher algorithms are difficult to meet diverse applications, and in diverse application scenarios, security is difficult to be guaranteed.

Images