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Information Theoretically Secure Data Relay Using QKD Network
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DOI：10.1109/ACCESS.2024.3468442.png)
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摘要
En 中文
For information that requires long-term confidentiality (e.g. national security, military security, genomic data etc.), the threat of eavesdropping must be seriously considered. The leakage of such information would not only cause temporary confusion but would also have serious repercussions for future generations. Part of such important data are already being exchanged over the Internet using cryptography that is not resistant to quantum computers. Considering the possibility of harvest attacks on information that must be kept secret for centuries, developing a technology that can immediately eliminate the risk of eavesdropping in principle is desirable. In response to these demands, we previously developed a system called the quantum secure cloud, which realizes an information-theoretically secure data transmission, storage, reconstruction, and authentication with a single password, using an established technology of quantum key distribution network. We now apply this technology to develop an information-theoretically secure long-distance data-relay function and succeed in developing a distributed data-relay simulator that is compatible with current quantum key distribution networks. The throughput of this protocol is more than 10 Mbps for 10 MB data, so it can be applied to practical use.
Keyword:
Protocols
Relays
Passwords
Authentication
Cryptography
Routing protocols
Quantum computing
Quantum key distribution
Network security
Tokyo QKD network
secret sharing
information-theoretically secure authentication with a single password
data relay
期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
机构
引用论文
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