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Side channel key generation method and device and communication system

A key generation and side channel technology, applied in the field of communication, can solve the problems of low security, poor randomness, low consistency rate, etc., and achieve the effect of improving the consistency rate

Inactive Publication Date: 2020-05-12
YANSHAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the embodiments of the present invention is to provide a side channel key generation method, which aims to solve the problems of low consistency rate, poor randomness and low security

Method used

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  • Side channel key generation method and device and communication system
  • Side channel key generation method and device and communication system
  • Side channel key generation method and device and communication system

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0048] It can be understood that the terms "first", "second" and the like used in the present application may be used to describe various elements herein, but unless otherwise specified, these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first xx script could be termed a second xx script, and, similarly, a second xx script could be termed a first xx script, without departing from the scope of the present application.

[0049] Such as figure 1 as shown, figure 1 An embodiment of the present invention provides a ...

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Abstract

The invention is applicable to the technical field of communication, and provides a side channel key generation method, a side channel key generation device and a communication system, the side channel key generation method can be applied to an information sending end for encryption communication, and the method comprises the following steps: after a communication starting signal is sent, collecting channel state phase information; performing phase correction on the acquired channel state phase information to generate phase-corrected channel state phase information; quantizing the channel state phase information after phase correction to generate a binary bit with a preset length; checking the binary bit with the preset length, generating a check code, and sending the check code to the information receiving end which is in encrypted communication with the information sending end; and randomly selecting digits from the binary digits with the preset length to generate a communication key, and sending an index with the selected digits to the information receiving end. According to the side channel key generation method provided by the invention, the consistency rate, the generation rate, the randomness and the security of key generation can be greatly improved.

Description

technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a side channel key generation method, device and communication system. Background technique [0002] With the popularity of IoT devices, smart mobile devices and wireless communication, more and more information needs to be shared through wireless communication. However, due to the exposure of wireless communication, attackers can carry out many types of attacks on it, and these attacks are likely to lead to the disclosure of such information. In addition, due to the characteristics of IoT devices, mobile devices and communication methods, as well as the defects of traditional encryption methods, it is not convenient to use some traditional encryption methods. [0003] In addition, since the channel state information can provide richer channel state information, it has a higher key generation rate and is less vulnerable to attacks. Channel state information is...

Claims

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Application Information

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IPC IPC(8): H04W12/04H04W12/041
CPCH04W12/04H04W12/041
Inventor 王林安皓楠荆楠常卓刘文远厉斌斌
Owner YANSHAN UNIV
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