Secure Communication based on Quantum Cryptography: Difference between revisions

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== Limitations of classical Quantum Cryptography ==

[[Quantum cryptography]], usually known as Quantum[[quantum key Keydistribution]] Distribution(QKD) provides powerful security. But it has some limitations. Following no-cloning theorem, QKD only can provide 1:1 connection. So the number of links will increase <math>N(N-1)/2</math> as <math>N</math> represents the number of nodes. If a node wants to participate into the QKD network, it will cause some issues like constructing quantum communication line. To overcome these issues, SECOQC was started.

== Brief architecture of SECOQC network ==