Need advice on this as I am still unable to encrypt /decrypt a images successfully in java. For the user to decrypt the image, the user has to click the image and enter the image password, similar to a password protected text file or pdf file.
Below is the function for encryption Image in java
Joined: Jun 11, 2012
I understand to decrypt the encrypted image, I need the user to run the decrypting application
wonder if there is any java libraries for software that encrypts image file such as Axcrypt? Otherwise when they get the encrypted image, they will have to download and run the java application to decrypt the encrypted image file, which is quite troublesome
some examples that have java libraries are itextpdf, which running will encrypt a PDF file
I would like to look for something similar to image files
Why do you involve ImageIO and BufferedImage objects at all? It's all just binary data - just use a FileInputStream instead. And, of course, you shouldn't store it as ".jpg", because it no longer is an image.
Or are you saying that you want to be able to double-click the encrypted image in a file manager, and then be able to enter the password and then it will display the image? That's a lot more involved, and will require embedding the encrypted image in a native wrapper that does all that.
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