الفهرس 
Public key distribution protocol (BB84)
Review on the quantum secure direct communication (QSDC)Only 14 pages are availabe for public view
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Abstract
in this thesis we propose a new protocol in information transmission security using a new technology based on the quantum theory that uses the quantum mechanics phenomena and xharacteristics which give a higher level of security for any cryptography scheme.we present a new scheme here for direct secure and confidential communication between two parties where there is no need for exchanging a shared key first but alternatively we construct an algorithm to send the message bits at the same time of sending the quantum bits that are used in the encoding process simultaneously on two differnt channels.