Zi-Qiang Cheng

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In this paper, we propose a new more efficient steganography technique that can be applied in Internet environment. The new efficient technique can hide from 1 to 8 bits secret data per pixel, and has no distortion if the number of colors does not exceed 128. The proposed scheme first divides the secret data into several parts based on the number of colors(More)
Security and privacy on authentication protocol are very important in RFID (Radio Frequency Identification) systems which will become an important part of our daily life. However, the low-cost RFID tags can't perform effective cost cryptographic authentication due to limitation of power and storage resources. In this paper, we propose an efficient(More)
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