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Secure Client- Server Delegated Computation: Difference between revisions
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Secure Client- Server Delegated Computation (view source)
Revision as of 14:20, 20 September 2018
, 20 September 2018→Classical Online-Quantum Offline
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Delegated Computation is the task of assigning quantum computation to an untrusted device while maintaining privacy of the computation. Protocols under this functionality are commonly called ClientServer protocols. Delegated Quantum Computation (DQC) protocols involve partially/fully classical Client delegate a quantum computation task to a fully powerful quantum Server. All DQC protocols involve three main stages, Prepataion Stage, Computation Stage, Output Correction Stage. The roles of Client and Server in the different stages may differ according to the type of communication used. It can be performed via classical online/offline and quantum online/offline communication. It can be verifiable or non-verifiable. Hence, it is classified as follows. | Delegated Computation is the task of assigning quantum computation to an untrusted device while maintaining privacy of the computation. Protocols under this functionality are commonly called ClientServer protocols. Delegated Quantum Computation (DQC) protocols involve partially/fully classical Client delegate a quantum computation task to a fully powerful quantum Server. All DQC protocols involve three main stages, Prepataion Stage, Computation Stage, Output Correction Stage. The roles of Client and Server in the different stages may differ according to the type of communication used. It can be performed via classical online/offline and quantum online/offline communication. It can be verifiable or non-verifiable. Hence, it is classified as follows. | ||
===Classical Online-Quantum Offline=== | ===Classical Online-Quantum Offline=== | ||
It involves a partially quantum Client perform a one time quantum communication to send input to the Server, in the preparation Stage and then to receive outputs from the Server, during output correction. The Client and Server then exchange classical messages during the computation phase. Universal Blind Quantum Computation (UBQC) is a protocol falling under this category. In this protocol Client hides his input, output and computation from the Server using [[Supplementary Information#Measurement Based Quantum Computation|MBQC]] by sending hidden quantum states to the Server. UBQC protocols can be realised by a [[Prepare and Send-Universal Blind Quantum Computation|Prepare and Send UBQC]] protocol where client prepares and sends the input states to the Server | It involves a partially quantum Client perform a one time quantum communication to send input to the Server, in the preparation Stage and then to receive outputs from the Server, during output correction. The Client and Server then exchange classical messages during the computation phase. Universal Blind Quantum Computation (UBQC) is a protocol falling under this category. In this protocol Client hides his input, output and computation from the Server using [[Supplementary Information#Measurement Based Quantum Computation|MBQC]] by sending hidden quantum states to the Server. UBQC protocols can be realised by a [[Prepare and Send-Universal Blind Quantum Computation|Prepare and Send UBQC]] protocol where client prepares and sends the input states to the Server. | ||
===Classical Online-No Quantum=== | ===Classical Online-No Quantum=== | ||