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- Title
INFEASIBILITY OF QUANTUM CRYPTOGRAPHY WITHOUT EAVESDROPPING CHECK.
- Authors
YANG, WEI; HUANG, LIUSHENG; SONG, FANG; WANG, QIYAN
- Abstract
Secure key distribution is impossible in pure classical environment. Unconditional secure key distribution is available when quantum means are introduced, assisted by a classical communication channel. What is possible when a quantum key distribution scheme is without classical communication? We present a general model with this constraint and show that quantum key distribution without classical eavesdropping check is in principle impossible. For an adversary can always succeed in obtaining the secret key via a special case of man-in-the-middle attack, namely intercept-and-forward attack without any risk of being captured.
- Subjects
CRYPTOGRAPHY; EAVESDROPPING; QUANTUM theory; COMMUNICATION; MATHEMATICAL models; ELECTRONICS in criminal investigation
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2011, Vol 25, Issue 8, p1061
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979211058407