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Protection system for safety communication of KNX (Konnex) bus equipment

A bus device and protection system technology, applied in the field of communication security, can solve the problems of losing control of KNX bus devices and user data loss, etc., to achieve the effect of ensuring data transmission security and user privacy, and improving data security levels

Pending Publication Date: 2018-11-06
GUANGDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these methods are difficult to solve the security problems that may occur during the use of the current KNX bus, and may still cause loss of user data and loss of control over KNX bus devices

Method used

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  • Protection system for safety communication of KNX (Konnex) bus equipment
  • Protection system for safety communication of KNX (Konnex) bus equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 A kind of protection system for KNX bus device safety communication, it is characterized in that, described protection system comprises some KNX bus devices, some KNX bus device control modules, some first encryption and decryption modules, some second encryption and decryption modules, some first A KNX drive module, several second KNX drive modules, a central controller, several point controllers and a KNX bus, wherein:

[0043] The encryption and decryption module includes: a data processing port, a key port, an encryption port and a decryption port, wherein:

[0044] The output end of the data processing port is connected to the input end of the key port;

[0045] The output end of the micro-control port is connected to the input end of the key port;

[0046] The output end of the key port is connected to the encryption port and the decryption port respectively.

[0047] It is used to encrypt the communication data between the controller and the KNX bus d...

Embodiment 2

[0064] figure 2 It is an encryption and decryption module used for the protection system of KNX bus device security communication, including data processing port, key port, micro control port, encryption port and decryption port, among which:

[0065] The data processing output end is connected with the key port input end;

[0066] The output end of the micro-control port is connected with the input end of the key port;

[0067] The output end of the key port is respectively connected with the input end of the encryption port and the input end of the decryption port.

[0068] Embodiment 2 specific implementation process:

[0069] The encryption and decryption module obtains the encryption and decryption data from the system, and processes the data before encryption according to the given data to ensure that each encrypted data bit is 256 bits. The key is then generated by the random number generator of the microcontroller or a custom key is generated by other key algorithm...

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Abstract

The invention discloses a protection system for safety communication of KNX (Konnex) bus equipment. The protection system comprises the KNX bus equipment, KNX bus equipment control modules, encryptionand decryption modules, KNX driving modules, point controllers and a center controller. Each encryption and decryption module comprises a data processing port, a key port, an encryption port and a decryption port; the center controller comprises a microprocessor, a touch panel, a wireless communication module and an Ethernet interface; and each point controller comprises a microcontroller and a touch panel. By the protection system disclosed by the invention, the KNX bus equipment has hardware safety protection, safety performance of data communication of the KNX bus equipment is promoted, and the KNX bus equipment is guaranteed to safely and effectively work, and hacker intrusion is prevented.

Description

technical field [0001] The invention relates to the field of communication security, and more specifically, relates to a protection system for KNX bus device security communication. Background technique [0002] KNX is the abbreviation of Konnex. In May 1999, the three major European bus protocols EIB, BatiBus and EHSA merged to form the Konnex Association and proposed the KNX protocol. The KNX bus is a manufacturer- and application-independent system. All bus devices are connected to the KNX medium and can exchange information with each other. KNX is an open international standard in the field of residential and building control. At present, KNX bus is widely used in the smart home industry, providing a good solution for home and building automation. [0003] While the KNX bus provides convenience for the smart home industry, there are also obvious security risks. In 2017, a domestic security consulting company team launched an attack test on a luxury hotel in Shenzhen. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L29/08H04L12/28G05B19/418G05B15/02
CPCH04L12/2803H04L63/0428H04L67/12G05B15/02G05B19/4186G05B2219/2642
Inventor 张景龙熊晓明张盛仕
Owner GUANGDONG UNIV OF TECH
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