Unconditional Unclonable Encryption

arXiv:2607.21551 · quant-ph, cs.CR · Submitted 2026-07-23 · Read on arXiv

quant-ph, cs.CR

Submitted: 2026-07-23

Updated: 2026-10-04

License: http://creativecommons.org/licenses/by/4.0/

The gist: 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

Terminology

• Trace — 9× in this paper · explained in 2 episodes
• Hilbert Space — 5× in this paper · explained in 2 episodes
• Abstraction — 1× in this paper · explained in 1 episode
• Decoupling — 1× in this paper · explained in 2 episodes
• Embeddings — 1× in this paper · explained in 2 episodes
• Entanglement — 1× in this paper · explained in 4 episodes

Abstract

Sources

• The uncloneable bit exists
• Unclonable Encryption in the Haar Random Oracle Model
• Limitations on Uncloneable Encryption and Simultaneous One-Way-to-Hiding

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