Research on Key Generation in Marine Environment Based on VHF Channel Characteristics

doi:10.3969/j.issn.1671-1122.2015.10.012

Abstract

Abstract:

This paper analyzes the security issues of wireless communication system and proposes key generation technique based on LDPC error correction. Firstly, this paper introduces key generation based on wireless channel characteristics. Then, this paper analysis the radio channel reciprocity characteristics. Next, wireless key generation scheme based on LDPC is proposed. Key generation is divided into pre-estimate channel characteristics, characteristics extraction and negotiation correction. In the pre-estimate channel characteristics stage, communications parties test the channel characteristics. In the characteristics extraction stage, communications parties extract the initial channel characteristics from feature bands. In the negotiation correction stage, communications parties structure the check matrix. It corrects errors in the initial channel characteristics by check matrix. And then, it generates the key. Finally, this paper analysis security of scheme according to eavesdrop model.

Key words: wireless channel characteristics, key generation, low density parity check code, very high frequency communication

CLC Number:

TP309

OU Min-sheng, LIAO Wei, YUAN Zhi-min, LUO Xun. Research on Key Generation in Marine Environment Based on VHF Channel Characteristics[J]. Netinfo Security, 2015, 15(10): 80-85.

Figures/Tables 4

References 20

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