Method for extracting spacial position feature value of fixed length from information

A technology with spatial position and fixed length, applied in the field of information security, can solve the problems of complex algorithm, low efficiency, weak algorithm scalability and adaptability, etc. Effect

Inactive Publication Date: 2009-08-05
北京乾坤化物数字技术有限公司
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Problems solved by technology

The main problems are as follows: the algorithm is relatively complex, there are obvious defects, the efficiency is low, and the scalability and adaptability of the algorithm itself are not strong

Method used

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  • Method for extracting spacial position feature value of fixed length from information
  • Method for extracting spacial position feature value of fixed length from information
  • Method for extracting spacial position feature value of fixed length from information

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Embodiment Construction

[0052] In order to make the features and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.

[0053] Taking 8-dimensional space and 64-dimensional space as examples, the method of mapping information to spatial location is explained in detail.

[0054] figure 1 It is a process flow chart of extracting spatial location feature values ​​from information according to the present invention.

[0055] Step 101: A design rule for a fixed-length space position.

[0056] Specify an 8-dimensional space, N=8, set the initial position P 8 ={0,1,2,3,4,5,6,7}.

[0057] Specify a 64-dimensional space, N=64, set the initial position P 64 = {0, 1, 2, ..., 62, 63}.

[0058] Using two or more spaces can improve the ability of information to resist "conflict".

[0059] Step 102: Use the character set in the computer to obtain the expression value of the decimal position of...

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Abstract

The invention relates to a method used for extracting fixed-length spatial location characteristic numerals from information in the information security techniques, which comprises the following steps: parameter information of a fixed-length spatial location is obtained; decimal expression values of the information in a code table are obtained by a symbol set in a computer; a converting method from the information to the spatial location is obtained; the fixed-length spatial location characteristic numerals are analyzed; and the input information is processed by the computer or other equipments with computing and storing functions, thus obtaining the spatial location characteristic numerals which are corresponding to the input information. The method can simply, intuitively and efficiently extract the unique fixed-length spatial location characteristic numeral which are corresponding to the information from the information; by the method, the same effect can be achieved by judging the spatial location characteristic numerals when the user judges whether the information is modified in a transmission process; and as the spatial location characteristic numerals have fixed length and certain regularity, the efficiency is greatly improved, when the processing of the information including encryption, identification and judgement is carried out, and the method has strong practicability.

Description

Technical field [0001] The present invention relates to information security technology, in particular to a method for extracting a fixed-length spatial position characteristic value from information. Background technique [0002] With the continuous development of computer technology and the Internet, computer networks have become an important feature of the information age. The network is the product of computer technology and communication technology, and was developed in response to the requirements of the society for information sharing and information transmission. At present, computer networks have become a very important part of people's lives. They are widely used in Internet chatting, information transmission, national defense, telecommunications, banking, and broadcasting. [0003] Because the network is so widely used and plays a very important role in life, the security of network information has become an important issue that people cannot ignore. The current networ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/18H04L9/06
Inventor 赵文银
Owner 北京乾坤化物数字技术有限公司
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