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Industrial computer login method and system based on an event synchronization algorithm

An industrial computer and event synchronization technology, applied in the field of nuclear power plant information security, can solve the problems of increasing on-site workload, staff troubles, and increasing maintenance costs, and achieve the effects of reducing user burden, high safety, and reducing maintenance costs.

Pending Publication Date: 2019-06-04
YANGJIANG NUCLEAR POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the staff need to log in to the industrial computer, they need to remember the password, and the passwords of each device are different, which brings trouble to the staff and is inconvenient to operate
In addition, if an unauthorized user guesses the password, sensitive information will be leaked
Although the nuclear power plant implements a preventive strategy of regularly changing industrial computer passwords, this increases the workload on site and increases maintenance costs

Method used

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  • Industrial computer login method and system based on an event synchronization algorithm
  • Industrial computer login method and system based on an event synchronization algorithm
  • Industrial computer login method and system based on an event synchronization algorithm

Examples

Experimental program
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Embodiment 1

[0038] The embodiment of the present invention provides an industrial computer login method based on an event synchronization algorithm, which is suitable for the login of the nuclear power plant core control system DCS industrial computer, including non-safety DCS, safe DCS, steam turbine control system TCS and waste control system DCS, etc. System, including equipment such as backup server, engineer station, configuration server, real-time / calculation / history server, etc., see figure 1 , the method can include:

[0039] Step S11, through the first dynamic password generation algorithm preset in the token, obtain the first dynamic password corresponding to the first event sequence, and input the obtained first dynamic password into the industrial computer to be logged in, each first The sequence of events is used to characterize the operation event of acquiring a corresponding first dynamic password once.

[0040] In this embodiment, in order to solve the problem of inconven...

Embodiment 2

[0065] An embodiment of the present invention provides an event synchronization algorithm-based industrial computer login system, which implements the method described in Embodiment 1, see image 3 , the system may include: a token 100 and an industrial computer 200 .

[0066] The token 100 is preset with a first dynamic password generation algorithm for obtaining a first dynamic password corresponding to a first event sequence, and each first event sequence is used to represent an operation event for obtaining a corresponding first dynamic password.

[0067] In this embodiment, in order to solve the problem of inconvenient operation caused by setting and memorizing many different passwords when using static passwords when logging in to the existing nuclear power plant industrial computer, and the problem of low security and reliability, the above-mentioned industrial computer login method adopts a dynamic Password, use the dynamic password on the physical token to log in to t...

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PUM

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Abstract

The invention discloses an industrial computer login method and system based on an event synchronization algorithm. The method comprises the steps of obtaining a first dynamic password corresponding to a first event order through a first dynamic password generation algorithm preset in a token; obtaining a dynamic password set corresponding to all event orders in a second event order preset range through a second dynamic password generation algorithm preset in the industrial computer; judging whether the first dynamic password belongs to a dynamic password set or not; if yes, login is successful. According to the method, the dynamic password on the entity token is used for logging in the industrial computer, a user does not need to memorize the password, operation and use are convenient, the computer password does not need to be periodically modified, the maintenance cost is reduced, in addition, the token dynamic password is high in safety, the dynamic password is effective at a time and cannot be used again, and the password safety is high.

Description

technical field [0001] The invention relates to the technical field of nuclear power plant information security, in particular to an event synchronization algorithm-based industrial computer login method and system. Background technique [0002] Industrial computers are the core of the nuclear power plant control system DCS, and there are many of them, such as backup servers, engineer stations, configuration servers, real-time / calculation / history servers, etc. Static passwords are generally used for login passwords of each computer. When the staff needs to log in to the industrial computer, they need to remember the password, and the passwords of each device are different, which brings troubles to the staff and is inconvenient to operate. In addition, if an unauthorized user guesses the password, sensitive information will be leaked. Although the nuclear power plant implements a preventive strategy of regularly changing industrial computer passwords, this increases the work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F21/31G06F21/33
Inventor 齐东京高扬李永洪李鹏飞梁晏铭
Owner YANGJIANG NUCLEAR POWER
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