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Secure Certification of Mixed Quantum States with Application to Two-Party Randomness Generation
quantum cryptography Mixed Quantum States
2018/11/8
We investigate sampling procedures that certify that an arbitrary quantum state on nn subsystems is close to an ideal mixed state φ⊗nφ⊗n for a given reference state φφ, up to errors on a f...
We propose the concept of pseudorandom quantum states, which appear random to any quantum polynomial-time adversary. This offers a computational approximation to perfect randomness on quantum states (...
Computational Indistinguishability between Quantum States and Its Cryptographic Application
quantum cryptography computational indistinguishability trapdoor propertyAkinori
2008/11/18
We introduce a computational problem of distinguishing between two specific quantum states
as a new cryptographic problem to design a quantum cryptographic scheme that is “secure” against any polynom...