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Dynamic password combination generation method based on natural time sequence

A dynamic password and time series technology, applied to key distribution, can solve the problems of insufficient protection design of key processes, easy to be cracked by human brute force, hidden security risks, etc. , the effect of high reliability

Inactive Publication Date: 2017-05-10
BEIJING AEROSPACE AUTOMATIC CONTROL RES INST +1
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  • Application Information

AI Technical Summary

Problems solved by technology

In the existing test launch software, the protection design for the key process is insufficient. Usually, only a single fixed unlock password is used to unlock the hidden test process and group. The random cracking rate is generally lower than 2%, and it is easy to unlock by misoperation or easy to be Artificial brute force cracking, there is a great security risk

Method used

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  • Dynamic password combination generation method based on natural time sequence
  • Dynamic password combination generation method based on natural time sequence
  • Dynamic password combination generation method based on natural time sequence

Examples

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Embodiment

[0029] A method for generating a dynamic password combination based on natural time series, comprising the following steps:

[0030] (1) Taking the current system date as the input condition, extract the current natural time information, including four types of information including "year", "month", "day" and "week"; among them, "week of August 1, 2016 For example, "year" corresponds to "2016", month corresponds to "08", day corresponds to "01", and Monday corresponds to "1";

[0031] (2) By combining and arranging the three types of information of "year", "month" and "day" obtained in step (1), and then adding them to the number of "week" to form "month, day, year + week" ", "Day Year Month + Week", "Year Month Day + Week"... A series of natural arrays based on natural time series, such as figure 1 shown;

[0032] (3) The natural array obtained in step (2) is processed for the remainder of the prime number, and the prime number 37 is used as the denominator to perform the r...

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Abstract

A dynamic password combination generation method based on a natural time sequence comprises the following steps of step1, extracting current nature time information; step2, carrying out permutation and combination on three-array information corresponding to ''year'', ''month'' and ''day'' in the acquired nature time information, and then adding with digit information corresponding to ''weak'' so as to form n groups of natural number groups; step3, carrying out prime number complementation processing on the acquired natural number groups and acquiring a complementation result corresponding to each natural number group; step4, according to an edited coding Key value mapping mode, mapping the acquired complementation result of each natural number group, and acquiring a coding Key value corresponding to each natural number group; and step5, carrying out permutation and combination on the acquired coding Key value so as to acquire different password combinations, and selecting one group as a password. In the invention, the combined password can be guaranteed to be refreshed every day, based on few operation requirements and under a deliberate solution condition, a random solution rate which is not higher than 0.1% is realized and system safety is increased.

Description

technical field [0001] The invention relates to a method for generating a dynamic password combination. Background technique [0002] In the process of testing, launch, and control of the launch vehicle and its upper-level control system, in order to ensure the correctness of the test process and the reliability of the operation, in its system design, it is necessary to adopt the test process to protect the design and hide it through the interface. The test process and steps that do not need to be operated independently are hidden in the test and launch process, and the possibility of misoperation is eliminated from the design, and the safety and reliability of the test operation are improved. [0003] During the launch process of the launch vehicle, there are many requirements for system testing and operation. In the existing test launch software, the protection design for the key process is insufficient. Usually, only a single fixed unlock password is used to unlock the h...

Claims

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Application Information

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IPC IPC(8): H04L9/08
CPCH04L9/0861
Inventor 韩峰齐竹云王兵杨逾山王福到
Owner BEIJING AEROSPACE AUTOMATIC CONTROL RES INST
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