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- Ivan Damgård, Thomas Brochmann Pedersen, Louis Salvail
- CRYPTO
- 2005

Assuming an insecure quantum channel and an authenticated classical channel, we propose an unconditionally secure scheme for encrypting classical messages under a shared key, where attempts to eavesdrop the ciphertext can be detected. If no eavesdropping is detected , we can securely re-use the entire key for encrypting new messages. If eavesdropping is… (More)

- Ivan Damgård, Thomas Brochmann Pedersen, Louis Salvail
- Natural Computing
- 2014

Assuming an insecure quantum channel, a quantum computer, and an authenticated classical channel, we propose an unconditionally secure scheme for encrypting classical messages under a shared key, where attempts to eavesdrop the ciphertext can be detected. If no eavesdropping is detected, we can securely re-use the entire key for encrypting new messages. If… (More)

An Unextendible Product Basis (UPB) is a set of orthogonal separable states that span a subspace of some Hilbert-space such that no separable state exists in the orthogonal complement of the sub-space. UPBs were introduced by Bennett, DiVincenzo, Mor, Shor, Smolin, and Terhal [2] motivated by the relationship between UPBs and bound entanglement, and because… (More)

- S Aaronson, See A Nayebi, +89 authors M Suchara
- 2015

A model of quantum-von Neumann hybrid cellular automata: principles and simulation of quantum coherent superposition and dehoerence in cytoskeletal microtubules (1&2) 22 A. Ambainis (I), Exact quantum algorithms have advantage for almost all Boolean functions (5&6) 435 A. Ambainis (II), Spatial search on grids with minimum memory (13&14) 1233 A. Ambainis… (More)

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