El-Tigani B. Abdelsatir

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The use of audio as a host medium for steganography is relatively unpopular in comparison with Image steganography. However, Audio data can provide higher payload rates for data hiding. Among many steganography schemes in the spatial domain, LSB-based coding is widely used because of its good hiding capacity and transparency. In this paper, we propose a new(More)
A new grayscale image encryption algorithm based on ሺ݇, ݊ሻ threshold secret sharing is proposed. The scheme allows a secret image to be transformed into n shares, where any ݇ ൑ ݊ shares can be used to reconstruct the secret image, while the knowledge of ݇ െ 1 or fewer shares leaves no sufficient information about the secret image and it becomes hard to(More)
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