Cryptography – Communication system using cryptography – Fiber optic network
Reexamination Certificate
2006-04-25
2006-04-25
Sheikh, Ayaz (Department: 2136)
Cryptography
Communication system using cryptography
Fiber optic network
C380S260000, C380S263000, C380S277000
Reexamination Certificate
active
07035411
ABSTRACT:
Arbitrary quantum information is input. The information of a quantum two-state system is acquired as a qubit by performing a computation in consideration of a physical system. The acquired qubit is encrypted. A quantum system having signature information for guaranteeing that the qubit is really transferred from a sender to a recipient is added to the encrypted qubit. The qubit to which the quantum system having the signature information is added is further encrypted. In this manner, an arbitrary quantum state can be encrypted and transmitted without letting the sender and recipient share an entangled pair of qubits in advance.
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Azuma Hiroo
Ban Masashi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Hitachi , Ltd.
Parthasarathy Pramila
Sheikh Ayaz
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