Quantum Secret Authentication Code

Details Quantum Secret Authentication Code Quantum Secret Authentication Code

2011-08-17

arxiv.org/abs/1108.3500v1

Physics

Quantum Physics

Scientific paper

This study proposes a quantum secret authentication code for protecting the integrity of secret quantum states. Since BB84[1] was first proposed, the eavesdropper detection strategy in almost all quantum cryptographic protocols is based on the random sample discussion, in which the probability of eavesdropper detection is depending on the number of check qubits eavesdropped by the eavesdropper. Hence, if the eavesdropper interferes only a few qubits of the transmitted quantum sequence, then the detection probability will be very low. This study attempts to propose a quantum secret authentication code to solve this problem. With the use of quantum secret authentication code, not only is the probability of eavesdropper detection guaranteed to be evenly distributed no matter how many qubits had been eavesdropped, but also can the quantum transmission efficiency be highly enhanced.

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