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Quantum Key Distribution: Difference between revisions
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*[[BB84 Quantum Key Distribution]]: [[:Category: Prepare and Measure Network Stage|Prepare and Measure Network Stage]] | *[[BB84 Quantum Key Distribution]]: [[:Category: Prepare and Measure Network Stage|Prepare and Measure Network Stage]] | ||
*[[Device | *[[Device Independent Quantum Key Distribution]]:[[:Category:Entanglement Distribution Network stage|Entanglement Distribution Network Stage]] | ||
Device-Independent Quantum Key Distribution (DI-QKD) has better security guarantees than BB84 QKD. | Device-Independent Quantum Key Distribution (DI-QKD) has better security guarantees than BB84 QKD. | ||
[[Category: Prepare and Measure Network Stage]] [[Category:Entanglement Distribution Network stage]] | [[Category: Prepare and Measure Network Stage]] [[Category:Entanglement Distribution Network stage]] | ||
==Properties== | ==Properties== | ||
A quantum key distribution protocol is secure if it is ''correct'' and ''secret''. Correctness is the statement that Sender and Receiver share the same string of bits, namely the secret key, at the end of the protocol. Secrecy is the statement that the eavesdropper is totally ignorant about the final key. | A quantum key distribution protocol is secure if it is ''correct'' and ''secret''. Correctness is the statement that Sender and Receiver share the same string of bits, namely the secret key, at the end of the protocol. Secrecy is the statement that the eavesdropper is totally ignorant about the final key. | ||