On A Fundamental Theorem of Quantum Cryptography
- 1 January 1993
- journal article
- other
- Published by Taylor & Francis in Journal of Modern Optics
- Vol. 40 (1) , 33-36
- https://doi.org/10.1080/09500349314550051
Abstract
A fundamental theorem of quantum cryptography is proved which states the conditions under which an eavesdropper can be detected. A corollary of this theorem is that any two-alphabet quantum cryptography scheme must sacrifice some of the potential key data to guarantee security.Keywords
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