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In theory, quantum key distribution (QKD) provides information-theoretic security based on the laws of physics. Owing to the imperfections of real-life implementations, however, there is a big gap between the theory and practice of QKD, which has been recently exploited by several quantum hacking activities. To fill this gap, a novel approach, called measurement-device-independent QKD (mdiQKD), has...
The ldquoPlug & playrdquo quantum cryptography scheme has significant advantage in real-life applications over other schemes and is adopted in most commercial quantum cryptosystems. Here, we present a rigorous security proof of it.
Information security is one of the most important challenges in computer communication. This paper proposed a novel robust watermarking algorithm with BCH error correction coding for the transmission robustness of encrypted images. Besides applying BCH Error correction coding to produce robust marks for the transmission, the scheme utilizing Ant Colony Algorithm (ACA) to pick the image contour as...
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