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This research presents a theoretical breakthrough in quantum cryptography by constructing information-theoretically secure encryption schemes that leverage the no-cloning principle to protect one-bit messages against duplication attacks. The work advances fundamental understanding of unclonable indistinguishability, offering new pathways for securing communication protocols where physical key distribution is constrained or compromised.

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Unconditional Unclonable Encryption

arXiv24 iulie 20261 min de cititArticolul și perspectiva sunt în engleză.

arXiv:2607.21551v1 Announce Type: new Abstract: We give an unconditional construction of information-theoretically secure one-time private-key unclonable encryption scheme for one-bit messages, with efficient encryption and decryption and exponentially small unclonable-indistinguishability advantage.

Abstract:We give an unconditional construction of information-theoretically secure one-time private-key unclonable encryption scheme for one-bit messages, with efficient encryption and decryption and exponentially small unclonable-indistinguishability advantage.

Quantum Physics (quant-ph); Cryptography and Security (cs.CR)

arXiv:2607.21551 [quant-ph]

(or arXiv:2607.21551v1 [quant-ph] for this version)

https://doi.org/10.48550/arXiv.2607.21551 Focus to learn more arXiv-issued DOI via DataCite (pending registration)

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