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一种通过预处理方法与多级量化相结合生成简单密钥的方法。

A Simple Secret Key Generation by Using a Combination of Pre-Processing Method with a Multilevel Quantization.

作者信息

Yuliana Mike

机构信息

Department of Electrical Engineering, Faculty of Electrical Technology, Institut Teknologi Sepuluh Nopember, Jalan Raya ITS, Keputih, Sukolilo, Surabaya 60111, Indonesia.

Department of Electrical Engineering, Politeknik Elektronika Negeri Surabaya (PENS), Jalan Raya ITS, Keputih, Sukolilo, Surabaya 60111, Indonesia.

出版信息

Entropy (Basel). 2019 Feb 18;21(2):192. doi: 10.3390/e21020192.

DOI:10.3390/e21020192
PMID:33266907
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7514674/
Abstract

Limitations of the computational and energy capabilities of IoT devices provide new challenges in securing communication between devices. Physical layer security (PHYSEC) is one of the solutions that can be used to solve the communication security challenges. In this paper, we conducted an investigation on PHYSEC which utilizes channel reciprocity in generating a secret key, commonly known as secret key generation (SKG) schemes. Our research focused on the efforts to get a simple SKG scheme by eliminating the information reconciliation stage so as to reduce the high computational and communication cost. We exploited the pre-processing method by proposing a modified Kalman (MK) and performing a combination of the method with a multilevel quantization, i.e., combined multilevel quantization (CMQ). Our approach produces a simple SKG scheme for its significant increase in reciprocity so that an identical secret key between two legitimate users can be obtained without going through the information reconciliation stage.

摘要

物联网设备在计算和能量能力方面的局限性给设备间通信安全带来了新挑战。物理层安全（PHYSEC）是可用于解决通信安全挑战的解决方案之一。在本文中，我们对利用信道互易性生成密钥（通常称为密钥生成（SKG）方案）的物理层安全进行了研究。我们的研究致力于通过消除信息协调阶段来获得简单的SKG方案，从而降低高昂的计算和通信成本。我们通过提出一种改进的卡尔曼（MK）方法并将其与多级量化相结合，即组合多级量化（CMQ），来利用预处理方法。我们的方法产生了一个简单的SKG方案，因为其互易性显著提高，从而无需经过信息协调阶段就能在两个合法用户之间获得相同的密钥。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/5e1d/7514674/08159bffeac1/entropy-21-00192-g015.jpg
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