如何使用c＃进行加密文件的apply stegnography [英] how to appsly stegnography for encryptfile using c#

问题描述

文件已加密并存储在一个文件夹中。然后我将此文件存储到image.at下载时我们看到该图像。当我们点击它询问密钥的图像。如果提供了正确的密钥，那么只有文件被解密和下载。

the file is encrypted and stored in a folder.then i have store this file into a image.at the time of download we see that image.when we click the image it ask the key.if correct key is provided,then only the file is to be decrypted and downloaded.

推荐答案

这个过程没有什么神奇之处：加密文件是二进制文件，即您可以使用隐写术添加到图像文件中的一堆字节（假设它适合图像），例如：隐写术 - 隐藏图片噪声中的消息 [ ^ ]。在接收图像时，可以提取二进制文件，并使用具有正确密钥的解密功能获得纯文本。

There nothing magic in this process: an encrypted file is a binary one, that is a bunch of bytes you may add to the image file using steganography (provided it fits into the image), see, for instance: "Steganography - Hiding messages in the Noise of a Picture"[^]. On receiving the image, the binary file can be extracted and plain text obtained using the decryption function with the proper key.

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