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Communication encryption method for Bluetooth BLE devices

An encryption method and Bluetooth device technology, applied in wireless communication, wireless communication service, short-distance communication service, etc., can solve problems such as cracking, and achieve the effect of improving confidentiality

Inactive Publication Date: 2017-05-24
咪付(广西)网络技术有限公司
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AI Technical Summary

Problems solved by technology

It is still possible to be cracked by using this general-purpose definite AES encryption algorithm

Method used

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  • Communication encryption method for Bluetooth BLE devices

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings, but the protection scope of the present invention is not limited to the following specific embodiments.

[0017] Such as figure 1 Shown, a kind of communication encryption method of bluetooth BLE device, comprises the steps:

[0018] s1. An encryption algorithm library module that can store multiple encryption algorithms is set in each Bluetooth BLE device that needs to communicate.

[0019] s2. Import DES algorithm, IDEA algorithm, AES algorithm, RC4 algorithm, SKIPJACK algorithm, RC5 algorithm and RC2 algorithm or several algorithms into the encryption algorithm library module. The two parties agree on these algorithm numbers according to certain rules.

[0020] s3. When the first bluetooth device communicates with the second bluetooth device, randomly select an encryption algorithm such as the first numbered DES algorithm and key from the encryption algorithm librar...

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Abstract

The invention relates to the communication field of Bluetooth BLE devices, and particularly relates to a communication encryption method and a system for Bluetooth BLE devices. Each Bluetooth BLE device is provided with an encryption algorithm library module for storing multiple encryption algorithms, and a DES algorithm, an IDEA algorithm, an RC2 algorithm, an RC4 algorithm, an SKIPJACK algorithm, an RC5 algorithm or an AES algorithm and the like are pre-stored. When a first Bluetooth device is in communication session with a second Bluetooth device, one encryption algorithm and a key are selected randomly from the encryption algorithm library of the first Bluetooth device for encrypting the communication content, and a second Bluetooth device is informed; and the same encryption algorithm and the key are selected are selected from the encryption algorithm library of the second Bluetooth device for decrypting the encrypted communication content, and the communication content is acquired. Through randomly selecting one algorithm from the multiple encryption algorithms for encryption and decryption, and the difficulty that the encrypted communication is cracked can be greatly improved.

Description

technical field [0001] The invention relates to the communication field of Bluetooth BLE devices, in particular to a communication encryption method and system for Bluetooth BLE devices. Background technique [0002] Bluetooth is an open short-range wireless communication technology standard whose purpose is to provide a "cable replacement technology" with a communication distance of 10 meters to 100 meters. Bluetooth uses the unlicensed 2.4GHz ISM frequency band for communication. It supports both connection-oriented and connectionless links for full voice and data transmission. Low cost and versatility make Bluetooth an ideal technology for a variety of applications. [0003] Bluetooth is used more and more widely. Because Bluetooth uses radio waves to send and receive signals, it is vulnerable to third-party monitoring and attacks. How to ensure the security of important data transmitted has become an important issue in Bluetooth applications. At present, the data tra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04W12/04H04W4/00H04W12/03
CPCH04W4/80H04W12/02H04W12/04
Inventor 王植梅光干
Owner 咪付(广西)网络技术有限公司
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