Quantum Cryptography: Uncertainty in the Service of Privacy
- 7 August 1992
- journal article
- perspectives
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 257 (5071) , 752-753
- https://doi.org/10.1126/science.257.5071.752
Abstract
A cryptographic key, enabling Alice to scramble hermessages in a way only Bob, knowing the same key, could unscramble. Privacy thusappeared to be generally unavailable to users lacking the means and foresight by whichdiplomats and spies share secret keys with their intended correspondents. Classicalcryptography offered no purely mathematical solution to this "key distribution problem". Meanwhile the only solution to the discreet communications problem appearedto be for Alice and Bob to...Keywords
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