ZigBee security network with public key cryptography system NTRU (number theory research unit)

A public key key system and security network technology, which is applied in the field of ZigBee network communication security using the public key key system NTRU, which can solve the problems of not providing digital signatures and non-repudiation, occupying a large amount of frequency band resources, and poor attack resistance. , to achieve the effect of good scalability, less storage resource occupation, and low cost requirements

Inactive Publication Date: 2015-02-04
成都卫士通信息产业股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] 1) Poor resistance to attack;
[0011] 2) The encryption speed is slow;
[0012] 3) The scope of application is fixed and the frequency band resour

Method used

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  • ZigBee security network with public key cryptography system NTRU (number theory research unit)

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Embodiment Construction

[0044] A kind of ZigBee security network that adopts public key key system NTRU, comprises the steps:

[0045] Step 1. Initialization process:

[0046] The initialization process is realized before networking. According to the NTRU public key cryptosystem, the system parameters that meet the NTRU establishment conditions are selected during system initialization, and the random function Random is constructed. G (m, R 1 , R 2 ,):

[0047] The NTRU cryptosystem relies on three parameters (N, p, q) and four polynomial sets L of polynomials with integer coefficients of degree N-1 f , L σ , L r , L m , where p, q do not have to be prime numbers, but must satisfy gcd(p, q) = 1, and q is far greater than p.

[0048] L(d 1 , d 2 )={F∈R:d of F 1 coefficient is 1, d 2 coefficients are -1, and the remaining coefficients are 0}

[0049] L f =L(d f , d f-1 )

[0050] L σ =L(d σ , d σ-1 )

[0051] L r =L(d r , d r-1 )

[0052] L m =m∈R: The coefficient of m is in t...

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Abstract

The invention discloses a ZigBee security network with a public key cryptography system NTRU (number theory research unit). The ZigBee security network includes the steps: selecting system parameters meeting NTRU building conditions in system initialization according to the public key cryptography system NTRU, and constructing a random function; generating keys; distributing the keys and performing the encryption and decryption process. The ZigBee security network has the advantages that security of a ZigBee wireless communication process is improved, encryption and decryption speed is high, communication efficiency is improved, energy consumption is low, fewer storage resources are occupied, the storage load of the system is not increased, the ZigBee security network has fine expandability, the anti-attack capability of the system is improved, impersonation attack and replay attack can be effectively resisted, low cost of the system is ensured, and broad market requirements can be met.

Description

technical field [0001] The invention belongs to the technical field of cipher and information security, and mainly relates to a method for protecting ZigBee network communication security by adopting a public key system NTRU. Background technique [0002] ZigBee: [0003] ZigBee is a short-distance, low-power wireless communication technology based on the IEEE802.15.4 standard. It has the characteristics of short distance, low complexity, low power consumption, low data rate, self-organization, short delay, high capacity, and license-free frequency band. It is mainly suitable for use in the fields of automatic control and remote control, and is widely used in various embedded devices. [0004] Existing ZigBee security solution technology: [0005] 1) Technical mode (CTR) encryption; [0006] 2) Cipher chain block-information authentication code (CBC-MAC) verification; [0007] 3) Encryption and verification of counting mode and cipher chain block-information authenticat...

Claims

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Application Information

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IPC IPC(8): H04W12/04H04W84/18
CPCH04W12/04H04W84/18Y02D30/70
Inventor 王力立
Owner 成都卫士通信息产业股份有限公司
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