Quantum Cryptography without Public Announcement of Bases
Won Young Hwang, In Gyu Koh, Yeong Deok Han
Abstract
This paper provides a simple variation of the basic ideas of the BB84 quantum cryptographic scheme leading to a method of key expansion. A secure random sequence (the bases sequence) determines the encoding bases in a proposed scheme. Using the bases sequence repeatedly is proven to be safe by quantum mechanical laws.
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