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Information Delay Protocol Using Non-Orthogonal Quantum States

De Xi Zhang, Xiao Yu Li

Published Sep 1, 2011• 0 citations
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Abstract

In this paper we provide an information delay protocol using non-orthogonal quantum states. One person can send the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the sender decides to let the other get the information, he or she need only to send the latter some dictates through a public classical channel. There are no entangled states and complex quantum operations except measurements needed in our protocol. So it is easier to carry out and more robust in practice.

DOI
10.4028/www.scientific.net/aef.1.178

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In this paper we provide an information delay protocol using non-orthogonal quantum states. One person can send the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the sender decides to let the other get the information, he or she need only to send the latter some dictates through a public classical channel. There are no entangled states and complex quantum operations except measurements needed in our protocol. So it is easier to carry out and more robust in practice.
In this paper we provide a information delay protocol using quantum entangled states. By sharing EPR(Einstain-Rosen-Podolsky) pairs one person can give the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the one decides to let the other get the information, he or she need only to send some dictates through a public classical channel. So the protocol is easier to carry out and more robust in practice.
In this paper we provide a quantum information delay protocol using entanglement swapping. By sharing Bell states one person can give the other person some information which cannot be read until he or she lets the latter do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the one decides to let the other get the information, he or she needs only to send some dictates through a public classical channel. So the protocol is easier to carry out and more robust in practice. On the other hand it can be more efficient and more secure than previous protocols.
A information delay protocol using quantum teleportation is presented in this paper. By sharing EPR (Einstein-Podolsky-Rosen) pairs one person can give the other one some information which cannot be read until he or she lets the latter do it. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the one decides to let the other to get the information, he need only to send some dictates on a public classical channel. So the protocol is easier to carry out and more robust in practice.
in this paper we present an information delay protocol using quantum the Bell state measurement. By sharing EPR(Einstain-Rosen-Podolsky) pairs and perform Control-NOT operation and the Bell state measurements, one person can give the other person some information which cannot be read until he or she lets the latter do. The unconditional security of the protocol is guaranteed by the laws of quantum physics. When the one decides to let the other get the information, he or she need only to send some dictates through a public classical channel. So the protocol is easier to carry out and more robust in practice.
In this paper we provide a multiparty information delay protocol using GHZ states. By sharing GHZ states one person can give the other two persons some information which cannot be read until he or she lets them do. The principles of quantum mechanics guarantee that the protocol is unconditionally secure. When the one decides to let the other two get the information, he or she need only to send some dictates through a public classical channel. So the protocol is easier to carry out and more robust in practice.
In this paper a multiparty information delay protocol using open-destination teleportation is present. By sharing entangled four-particle quantum systems one person can give the other three persons some information which cannot be read until he or she lets them do. The principles of quantum mechanics guarantees the unconditional security of the protocol. When the one decides to let the other three get the information, he or she need only to send some dictates through a public classical channel. So the protocol is easier to carry out and it is more robust in practice.