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Verifiable Quantum Anonymous Transmission: Difference between revisions
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==Outline== | ==Outline== | ||
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This verified GHZ-based quantum anonymous transmission protocol is based on the work of \cite{Unnikrishnan}, which uses the following subroutines from \cite{Wehner}, \cite{Broadbent}, \cite{Pappa}, \cite{McCutcheon}: | This verified GHZ-based quantum anonymous transmission protocol is based on the work of \cite{Unnikrishnan}, which uses the following subroutines from \cite{Wehner}, \cite{Broadbent}, \cite{Pappa}, \cite{McCutcheon}: | ||
* <span style="font-variant:small-caps">Parity</span> \cite{Broadbent}: privately computes the parity of an input string. | * <span style="font-variant:small-caps">Parity</span> \cite{Broadbent}: privately computes the parity of an input string. | ||
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If the test passes, the protocol goes back to the \textit{State distribution} stage and runs again. If the test fails, the players abort. | If the test passes, the protocol goes back to the \textit{State distribution} stage and runs again. If the test fails, the players abort. | ||
If anonymous transmission is chosen, the players run <span style="font-variant:small-caps">Anonymous Entanglement</span>, establishing an anonymous entanglement link between <math>\mathcal{S}<math> and <math>\mathcal{R}<math>. | If anonymous transmission is chosen, the players run <span style="font-variant:small-caps">Anonymous Entanglement</span>, establishing an anonymous entanglement link between <math>\mathcal{S}<math> and <math>\mathcal{R}</math>. | ||
<math>\mathcal{S}<math> then teleports the message state <math>\ket{\psi}<math> to <math>\mathcal{R}<math> using the established anonymous entanglement. The classical message <math>m<math> associated with teleportation is also sent anonymously. | <math>\mathcal{S}</math> then teleports the message state <math>\ket{\psi}<math> to <math>\mathcal{R}</math> using the established anonymous entanglement. The classical message <math>m<math> associated with teleportation is also sent anonymously. | ||
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==Notation== | ==Notation== | ||