How to deal with scattered information

A technology of information dispersal and processing method, applied in the direction of secure communication device, secure communication through chaotic signal, digital transmission system, etc., can solve the problems of single information processing method, vulnerable to attack, fixed irreducible polynomial, etc., and achieve complex processing process. The effect of changing, improving security, and increasing the difficulty of analysis

Active Publication Date: 2022-02-22
BEIJING CHERILEAD TECH
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Problems solved by technology

[0009] (2) In the case of less than t, the encryption cannot be obtained
[0010] However, when the currently used information is distributed using a fixed set of linear equations for calculation, the information processing method is single, the irreducible polynomial is fixed, and the number of binary fields is fixed, which makes it vulnerable to attacks

Method used

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  • How to deal with scattered information
  • How to deal with scattered information
  • How to deal with scattered information

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Embodiment Construction

[0068] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0069] Such as figure 1 As shown, the embodiment of the present invention provides a method for processing information dispersion, including:

[0070] S100 determines the processing nodes where the information is dispersed;

[0071] The S200 distribution node performs information block processing on the information to be processed; when performing information block processing, the irreducible polynomial and the number of bits of the irreducible polynomial used are determined by random selection;

[0072] S300 transmits the obtained information blocks to corresponding processing nodes, and the processing nodes perform processing.

[0073] The working principle and ...

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Abstract

The present invention provides a processing method for information dispersal, which includes: determining the processing node where the information is dispersed; the distribution node performs information block processing on the information to be processed; The number of bits is determined by random selection; the obtained information blocks are respectively transmitted to the corresponding processing nodes, and processed by the processing nodes. The information dispersal processing method of the present invention provides a more changeable processing method for the realization of information dispersal. The scheme uses random selection of irreducible polynomial digits and irreducible polynomial types to disperse information, making the processing process more complex and diverse. Changes, increase the difficulty of analysis for attackers, and improve the security of information dispersion.

Description

technical field [0001] The invention relates to the technical field of information dispersion processing, in particular to an information dispersion processing method. Background technique [0002] Existing information decentralized processing methods generally use Shamir encryption sharing technology to disperse information processing. This method generally transforms data through a fixed linear equation system, and Shamir encryption sharing is as follows: [0003] If for n sharing nodes {U 1 , U 2 ,...,U n}, the threshold value is t, encryption is s, p is a large prime number, X 1 , X 2 ,...,X n In order to correspond to the identity information of the sharing node (processing node), except for the encrypted s, other parameter information is disclosed; when encrypting and distributing, the encrypted distribution node D randomly selects a polynomial f(x) of degree t-1 on GF(p) = a 0 +a 1 x+a 2 x 2 +…+a t-1 x t- 1 modp,a i ∈GF(p), satisfy the requirement f(0)=a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/32H04L9/00
CPCH04L9/3239H04L9/001
Inventor 张凯郑应强牛德标
Owner BEIJING CHERILEAD TECH
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