Small data distribution method enabling wireless sensor network security and denial of service attack defense

A denial of service attack, wireless sensor network technology, applied in security devices, wireless communication, network topology, etc., can solve problems such as different degrees of difficulty in confusing solutions, and achieve the effects of ensuring integrity, ensuring security, and preventing abuse

Inactive Publication Date: 2015-12-09
EAST CHINA NORMAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] For the base station, the calculation cost required to use the specific information obfuscation method and the ciphertex...

Method used

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  • Small data distribution method enabling wireless sensor network security and denial of service attack defense
  • Small data distribution method enabling wireless sensor network security and denial of service attack defense
  • Small data distribution method enabling wireless sensor network security and denial of service attack defense

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Embodiment Construction

[0039] The present invention will be further described in detail in conjunction with the following specific embodiments and accompanying drawings. The process, conditions, experimental methods, etc. for implementing the present invention, except for the content specifically mentioned below, are common knowledge and common knowledge in this field, and the present invention has no special limitation content.

[0040] The implication that relevant technical term represents among the present invention is as follows:

[0041] (SIG k (M)) indicates that the data item M is signed with the key k;

[0042] E.k (M) indicates that the data item X is encrypted symmetrically with a symmetric key K;

[0043] (M)-V indicates the information value of the data item M after removing the first V bytes;

[0044] (M)V represents the value of the first V bytes of the data item M;

[0045] H(.) represents a one-way key hash function;

[0046] H(M) represents the hash value of data item M;

[0...

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Abstract

The invention discloses a small data distribution method enabling wireless sensor network security and denial of service attack defense. The method includes the following steps that: a system initialization phase: a base station generates a key material and loads a public parameter into each sensor node before sensor network deployment; a data packet earlier-stage processing phase: the base station generates data packets through adopting a cipher confusing technology and a digital signature method before data item distribution; and a data packet authentication phase: after receiving the data packets, the sensor nodes judge the validity of the data packets, if the data packets are valid data packets, the sensor nodes receive and update the data packets, otherwise, the sensor nodes discard the data packets. With the mall data distribution method of the invention, under the condition that sensor node resources are limited, resistance to compromise of the sensor nodes can be realized, the integrity and security of information can be ensured, and no time synchronization is required between the base station and the sensor nodes, and defense for denial of service attack can be effectively realized. The small data distribution method has high robustness in packet loss and data packet transmission out-of-sequence.

Description

technical field [0001] The invention belongs to the technical field of wireless communication, in particular to a sensorless network security and a small data distribution method capable of resisting denial of service attacks. Background technique [0002] At present, the distribution of wireless sensor networks is very wide, and the applications are also diverse, including environmental monitoring, battlefield surveillance and data acquisition in harsh geographical environments. In wireless sensor networks, being able to distribute small amounts of data across the network is a useful operational feature. It allows the base station to write some small programs, commands, queries and configuration parameters to the sensor nodes. It should be emphasized that the small data distribution protocol is different from the code distribution (sometimes also called data distribution or reprogramming) protocol that has been studied intensively. Code distribution is the distribution of...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04W12/10H04W84/18H04W12/03H04W12/041H04W12/122H04W12/126
CPCH04L63/12H04L63/1458H04W12/10H04W84/18
Inventor 何道敬曹棋敏黄琳
Owner EAST CHINA NORMAL UNIV
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