A black-box attack on fixed-unitary quantum encryption schemes

We show how fixed-unitary quantum encryption schemes can be attacked in a black-box setting. We use an efficient technique to invert a unitary transformation on a quantum computer to retrieve an encrypted secret quantum state | ψ ⟩ . This attack has a success rate of 100% and can be executed in cons...

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Veröffentlicht in:	Discover Computing 2024-06, Vol.27 (1), p.14, Article 14
Hauptverfasser:	Pilaszewicz, Cezary, Muth, Lea R., Margraf, Marian
Format:	Artikel
Sprache:	eng
Schlagworte:	Algorithms Black boxes Computer Science Cryptography Data Mining and Knowledge Discovery Data Structures and Information Theory Encryption Information Storage and Retrieval Natural Language Processing (NLP) Pattern Recognition Quantum computers Quantum encryption Security
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