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Enhanced blockchain key construction method

A construction method and blockchain technology, applied to public keys and key distribution for secure communications, can solve problems such as private key leakage, confidentiality loopholes, and economic losses

Active Publication Date: 2020-06-12
JIANGSU HENGBAO INTELLIGENT SYST TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are loopholes in the confidentiality of this method. Usually, the identification or MAC address of the machine equipment is semi-public data. The relevant information of this type of data can be found in the packaging text and startup information of the machine equipment, and it can also be detected through viruses. Spreading software or hacking software secretly obtains the identification or address of the machine without alarming the user, resulting in the leakage of the private key, thereby causing economic losses to the user

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] attached figure 1 Shows a machine communication architecture 100 in the prior art, where 101 is a conventional base station for receiving instructions and data from the network side 102, and forwarding instructions to access nodes 103, 104 or directly to machine communication devices 106-108 or Data, the machine communication devices 106-108 receive instructions or data to realize the communication process. At present, because the functions of the smart terminal are very complete, the smart terminal 105 can also be used as a temporary access node for slave machine communication devices 106-108 Relay instructions or data are sent to the regular base station 101 .

[0042] The access node is connected to each machine communication device involved in the present invention, and the machine communication device sends the collected data to the network side through the access node. Correspondingly, if the machine communication device conducts transactions through the block cha...

Embodiment 2

[0061] This embodiment continues to use the attached figure 1 As an example of machine communication architecture, although machine communication is becoming more and more intelligent and has more and more functions, there are still a large number of traditional machine communication devices that do not have Sufficient computing power, so this embodiment transfers the key calculation process on the machine communication device to the access node. Since the computing function of the 5G access node or the new 4G access node is relatively powerful, the access node Large-scale key operations are completed on the computer.

[0062] This embodiment continues to refer to the machine communication architecture 100, including 101 is a conventional base station for receiving instructions and data from the network side 102, and forwarding instructions or data to access nodes 103, 104 or directly to machine communication devices 106-108, The machine communication devices 106-108 receive ...

Embodiment 3

[0079] According to the method steps of the technical solution of the above embodiment 1, this embodiment is the design of the functional module of the machine communication equipment related to the technical solution, and the appended Figure 8 It is a schematic diagram of relevant functional modules of an exemplary machine communication device of the present invention. in

[0080] The module for receiving measurement instructions is used for the access node to send measurement channel instructions to each device, and prepare to construct a key for blockchain transactions.

[0081] In the channel impulse response calculation module, the corresponding machine communication equipment extracts the received signal features and calculates the channel impulse response after receiving the instruction. Utilize common methods such as pilot signals, reference signals, or use known training sequences from both parties to complete channel impulse response estimation. Impulse response al...

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Abstract

The invention provides an enhanced blockchain key construction method. The enhanced blockchain key construction method comprises the steps that an access node sends a measurement channel instruction to each device; after receiving the instruction, each device extracts the characteristics of the received signal and calculates the channel impulse response; each device selects a measurement matrix ofa compressed sensing algorithm according to the channel impulse response; each device converts the measurement matrix and the impulse response into private key and public key formats of the block; the public key is sent to the access node; the access node sends a public key to a block chain node; the private key is constructed in the above mode. The advantage that existing compressed sensing hascertain confidentiality is utilized and expanded into the product of a measurement matrix and impulse response, the confidentiality is good, the risk of secret key leakage is avoided, meanwhile, if the secret key is lost or forgotten carelessly, the secret key can still be constructed by obtaining channel impulse response, and property loss is avoided to a certain degree.

Description

technical field [0001] The present invention relates to the field of information security, in particular to an enhanced block chain key construction method Background technique [0002] Machine communication technology has large-scale communication objects and is suitable for the fifth generation (5G) wireless communication system. It includes a huge amount of communication equipment, up to tens of billions of communication equipment. Machine communication equipment has low power consumption and layout wide. In the current 4G environment, the communication of machine communication equipment can be mainly through wired connection, fixed wireless connection, or occupying a specific 4G communication channel. With the gradual commercialization of 5G technology, the communication channel is increasingly saturated, and more and more machine communication The network will use nodes with good performance, large capacity, and fast speed as access nodes to realize the function of gat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/30H04L9/06
CPCH04L9/0861H04L9/3066H04L9/0643H04L9/0819
Inventor 钱京崔可陆道如
Owner JIANGSU HENGBAO INTELLIGENT SYST TECH CO LTD