%0 Journal Article
%T On Security of Quantum Cryptography by Probabilistic Analysis
%A Jianzhong Zhao
%J Journal of Quantum Information Science
%P 91-98
%@ 2162-576X
%D 2022
%I Scientific Research Publishing
%R 10.4236/jqis.2022.124008
%X The existing quantum cryptography is a classical cryptography in nature and basically insecure because of its classical (conventional) bits, classical encryption algorithm and classical (public) channel. A novel topic about successful communication between the legitimate users, Alice and Bob, is discussed with probability of solution uniqueness of Bob¡¯s decryption equation. We find, by probabilistic analysis, that success of communication between Alice and Bob is probabilistic with a probability bigger than 1/2. It is also novel to define insecurity of the quantum cryptography by probability of solution uniqueness of the search equation of Eve, the eavesdropper. The probability of Eve¡¯s success to find the plain-text of Alice (and Bob) is greater than 1/2, and so the quantum cryptography is seriously insecure.
%K Quantum Cryptography
%K Classical Cryptography
%K Fundamental Equations
%K Unique Solution
%K Probability
%K Insecure
%U http://www.scirp.org/journal/PaperInformation.aspx?PaperID=121629