基于区块链的量子密钥全生命周期管理

doi:10.3969/j.issn.0255-8297.2023.01.013

Abstract

Abstract: In order to ensure a higher security of quantum key from generation, distribution, storage, use, update and destruction, this paper proposes a quantum key lifecycle management scheme based on blockchain. The two-party which has the requirement of confidential communication generates a truly random symmetric quantum negotiation key pool through quantum key distribution devices, and stores it in the quantum device administrator of each party. Then the quantum device administrators of two parties generate quantum key files according to negotiated numbering rules of quantum keys. Users of the two parties respectively apply for quantum keys from their quantum device administrators for communication. In the process of communication, the log information related to the generation, distribution, use, update and destruction of quantum keys is uploaded to a blockchain, and the quantum device administrators and communication users cooperate with the blockchain administrator to complete the management and traceability of the full lifecycle of quantum keys. Theoretical analysis shows that this scheme can solve the problem that quantum key cannot be effectively traced and managed in communication system, and realize the transparency and reliability of management and traceability of quantum key in whole lifecycle.

Key words: blockchain, secure communication, quantum key, quantum key management

CLC Number:

P751.1

LIN Yusheng, CHANG Yan, CHEN Tiansu, YU Shipeng, ZHANG Shibin. Quantum Key Lifecycle Management Based on Blockchain[J]. Journal of Applied Sciences, 2023, 41(1): 170-182.

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Quantum Key Lifecycle Management Based on Blockchain

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