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数字水印,用MATLAB制作的,还有一些叙述情况

Digital Watermarking using MATLAB produced, and some described the situation...

Data Encryption Standard (DES) Key Schedule

keys. • Input:  any string (64-bits length). • Output: the 16 sub-keys produced by the DES (48-bits length each). How to use it: 1. >> K = DES_KeyScheduling              % creates an object of class 'DES_KeySch...

encryption algorithm, IDEA, symmetric key cryptography algorithm used in interne...

encryption algorithm, IDEA, symmetric key cryptography algorithm used in internet widly...

文件中有说明,本程序主要提供了MD5算法的功能实现!

Document has indicate that this procedure provides the main function of MD5 algorithm realize!...

对音频信号分帧加窗,对每帧进行三阶小波变换,取其逼近系数平均值(一般为零).在此嵌入二值图像 并有对潜入水印信号进行盲检,恢复其嵌入水印...

order wavelet transform, whichever is close to the average coefficient (usually zero). according to this embedding binary image and resume its embedded watermark from the watermark signal by the Blind detection...


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