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Information dispersion processing method

A technology of information dispersal and processing method, applied in secure communication devices, secure communication through chaotic signals, user identity/authority verification, etc.

Active Publication Date: 2021-08-31
BEIJING CHERILEAD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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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 invention provides an information dispersion processing method. The information dispersion processing method comprises the following steps: determining information dispersion processing nodes; enabling the distribution node to carry out information block processing on the to-be-processed information; when information partitioning processing is carried out, determining the adopted irreducible polynomials and the digits of the irreducible polynomials through random selection; respectively transmitting the obtained information blocks to corresponding processing nodes, and processing the information blocks by the processing nodes. According to the information dispersion processing method, a more changeable processing method is provided for realizing information dispersion, and the information is dispersed by randomly selecting the irreducible polynomial bits and irreducible polynomial types, so the processing process is more complex and changeable, the analysis difficulty of attackers is increased, and the information dispersion security is improved.

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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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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