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An improved approach for lsb-based image steganography using AES algorithm

机译:一种使用AES算法的基于lsb的图像隐写术的改进方法

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The steganography is the art of hidden; its main aim is to pass unnoticed data in another data. There are many types of data that used in steganography, such as message, image, and video. In this work, we are interested in hiding a message inside an image. Our work focuses on the study of three approaches based on least significant bit (LSB) techniques that mean put the bits of the message in the least significant bits in each pixel of the image. Moreover, we propose an improved approach for LSB-based image steganography. In this approach, we reduce the length of hidden message by Deflate algorithm which is a lossless data compression algorithm that combines the LZ77 algorithm and the Huffman algorithm. Another important characteristic of our approach is to protect the reduced hidden data by AES (Advanced Encryption Standard) algorithm. Our experiment results show that our improved approach is most effective compared to existing approaches.
机译:隐写术是隐藏的艺术。它的主要目的是在另一个数据中传递未被注意的数据。隐秘术中使用了许多类型的数据,例如消息,图像和视频。在这项工作中,我们有兴趣在图像内隐藏一条消息。我们的工作重点是研究基于最小有效位(LSB)技术的三种方法,这意味着将消息的位放入图像的每个像素的最低有效位。此外,我们提出了一种基于LSB的图像隐写术的改进方法。在这种方法中,我们通过Deflate算法减少隐藏消息的长度,该算法是将LZ77算法和Huffman算法结合在一起的无损数据压缩算法。我们方法的另一个重要特征是通过AES(高级加密标准)算法来保护减少的隐藏数据。我们的实验结果表明,与现有方法相比,改进后的方法最为有效。

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