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Power distribution network communication safety certification system and method

A security authentication and communication security technology, applied in transmission systems, digital transmission systems, secure communication devices, etc., can solve problems such as lack of security protection and failure to meet the requirements for safe and stable operation of the power grid, and achieve simple operation and safe and effective transmission Effect

Active Publication Date: 2019-01-11
南京蓝途电力自动化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the power distribution terminal and the distribution network master station directly transmit data through the 101 / 104 protocol, without safety protection, and do not meet the safe and stable operation requirements of the power grid

Method used

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  • Power distribution network communication safety certification system and method
  • Power distribution network communication safety certification system and method
  • Power distribution network communication safety certification system and method

Examples

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Comparison scheme
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Embodiment Construction

[0045] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0046] Such as figure 1 , figure 2 As shown, the distribution network communication security authentication system provided by the embodiment of the present invention includes: a security authentication device, and the distribution network master station implements communication interconnection with the power distribution terminal through the security authentication device.

[0047] The safety authentication device includes:

[0048] Security authentication chip: used to encrypt and decrypt the hardware encrypted message sent by the distribution network master station;

[0049] Storage device: used to store software decryption library and other control instructions, software decryption libra...

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Abstract

The present invention discloses a power distribution network communication safety certification system and method. The method comprises the steps of: giving different safety certification modes according to different connection modes of a power distribution network master station and a distribution terminal; for a message through serial transmission, if the message is a hardware message, performing decryption through a safety certification chip; if the message is a soft message, performing decryption through a software decryption library; forwarding an obtained plaintext after decryption to adistribution terminal through a serial port; and for the message through internet access transmission, performing inspection of out-of-order transmission and repeated transmission for the message, performing decryption of the message passing the inspection according to the decryption mode of the transmitted message through the serial port, and forwarding the obtained plaintext after decryption tothe distribution terminal through an internet access. The power distribution network communication safety certification system and method integrate the safety certificate of the power distribution network software message and the hardware message to meet the current power grid safety protection requirements with no need for user configuration so as to prevent the distribution terminal from invading the power distribution network master station and achieve the safe and effective transmission of the data of the power distribution network.

Description

technical field [0001] The invention belongs to the technical field of distribution network, and in particular relates to a communication security authentication system and method for distribution network. Background technique [0002] At present, the main communication methods used in the distribution network are: optical fiber communication, wireless public network communication, distribution line carrier communication and field bus. A wide variety of communication methods have brought about communication security issues, especially the wireless public network, which faces the risk of public network attacks, affecting the safe and reliable power supply to users. range of security risks. [0003] At present, the communication protocols widely used in the distribution network are 101 protocol and 104 protocol, in which the 101 protocol transmits data through the serial port, and the 104 protocol transmits data through the network port. At present, the power distribution te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L12/24H04L29/06
CPCH04L9/3234H04L41/082H04L41/0823H04L63/0428H04L63/12
Inventor 刘朝辉倪健戴胜董辉
Owner 南京蓝途电力自动化有限公司
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