A wsn-based key multi-layer hybrid encryption/decryption method

Abstract

The invention discloses a WSN-based key multi-layer hybrid encryption / decryption method. The method includes: the step of sending plain text data multi-layer hybrid encryption, using the plain text random separation technology, digital envelope technology and digital signature technology The plaintext data that needs to be sent is sent after multi-layer mixed encryption; the ciphertext data decryption receiving step is to decrypt the received ciphertext data in the WSN network by using plaintext random separation technology, digital envelope technology and digital signature technology. to complete the data reception. The invention separates the plaintext by using binary pseudo-random sequence, and then encrypts the data by using digital envelope technology and digital signature technology, and effectively integrates multiple encryption systems such as plaintext separation, symmetric encryption, public key encryption and digital signature. , greatly improving the efficiency and security of data transmission.

Description

technical field [0001] The invention relates to a network encryption / decryption method, in particular to a WSN-based key multi-layer hybrid encryption / decryption method. Background technique [0002] At present, with the rapid development of the Internet of Things technology and computer technology, the Wireless Sensor Network (WSN) has been widely used in intelligent and automated fields such as smart home, agriculture, commerce and industry. Since the nodes of the wireless sensor network are distributed in a complex environment, most of the sensor nodes are in an open environment, facing the threat of network security, the data transmitted in the air is easy to be stolen by attackers, which may cause personal information, business secrets , property loss and even personal safety threats have seriously affected the development and application of WSN. [0003] WSN is a new type of network, but its sensor network nodes have low computing power, small storage space, and the c...

AI Technical Summary

Problems solved by technology

Since the nodes of the wireless sensor network are distributed in a complex environment, most of the sensor nodes are in an open environment, facing the threat of network security, the data transmitted in the air is easy to be stolen by attackers, which may cause personal information, business secrets , property loss and even personal safety threats seriously affect the development and application of WSN

[0003] WSN is a new type of network, but its sensor network nodes have low computing power, small storage space, and the capacity of the battery that provides energy is very limited. Its characteristics and its own limitations lead to many differences between it and traditional wireless networks in the research of security algorithms.

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