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Quantum Cryptography: a direct approach

Author(s): MENDES, A. J. B. | PAULICENA, E. H. | SOUZA, W. A. R

Journal: Salesian Journal on Information Systems
ISSN 1983-5604

Issue: 7;
Start page: 39;
Date: 2011;
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Keywords: Quantum Cryptography | QKD | Quantum Key Distribution | BB84 | Reconciliation Information | Privacy Amplification

This study aims to answer directly to four questions relating to knowledge of what Quantum Cryptography is. The text is developed through a historical overview of the encryption of messages, reaching asymmetric encryption, a solution to the problem of production and distribution of keys. Afterwards, inserted in a quantum scope, it defines and exemplifies protocols of quantum cryptography, showing, in conclusion, the responses required.
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