Quantum Fingerprinting: Difference between revisions

Quantum Fingerprinting (edit)

473 bytes removed , 10 July 2019

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 ** The client now sends this fingerprint to the server through a quantum channel. Both the clients do this process simultaneously.
-* '''Server's test''': The server receives the two fingerprints from both the clients and performs the [[SWAP test]] on these states to check if the states are distinguishable. The server independently repeats this SWAP test on fingerprints several times to reduce the error probability in detecting if the two states are different.
+* '''Server's test''': The server receives the two fingerprints from both the clients and performs the [[Glossary#SWAP test|quantum SWAP Test]] on these states to check if the states are distinguishable. The server independently repeats this SWAP test on fingerprints several times to reduce the error probability in detecting if the two states are different.
-If the initial inputs of the two parties are equal, this would be inferred from the corresponding fingerprints with no error probability and the outcome of the protocol would be correct. However, if the two fingerprints are of different inputs, there exists a non-zero probability that the outcome of the protocol is incorrect. Therefore, there exists a one sided error in the measurement. This one sided error is reduced by repeating the server operations several times with the same fingerprints.
 ==Hardware Requirements==