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DAta Encryption standard implemented IN MATLAB
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visual cryptography is very important for encryption of the data like images.
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本文算法是将24 位真彩图的亮度分量分块
DCT ,然后利用DCT 量化系数的奇偶特性嵌入8
位灰度水印图,并通过PN 序列加密来保证水印的
安全性。算法中,将灰度图像转换为二进制数据
流,置乱后扩频调制,隐藏在宿主DCT 系数量化值
中,提取时不需要宿主信号,实现水印信号的盲提
取。-This algorithm is 24-bit true color pictures of the luminance component of block DCT, quantiza
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This matlab is used for simulating the encryption and decryption of the data using various algorithms
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基于MATLAB 对数据进行处理 加密解密-MATLAB-based encryption and decryption of data processing
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The MATLAB code which encrypt data based on AES technique.
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matlab小波工具箱应用 多尺度小波变换 提取细节 压缩数据，对数据加时间窗，以50个数据为窗求小波细节然后取绝对平均得到一个数据-matlab wavelet toolbox application of multi-scale wavelet transform to extract details of the compressed data, the time window for data encryption, data window to 50 and then take the
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Image Encryption based on the RGB PIXEL Transposition and Shuffling
Abstract — Privacy is one of the key issues information Security addresses. Through encryption one can prevent a third party from understanding raw data during signal transmissi
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