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Image encryption using java.....

 
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I want to encrypt a text message into a JPG image file.

Convert JPG file into Binary file & mixed the text into it. Then Again, want to change this file into JPG file.

How can I do it by using Java. Any ideas???
 
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A JPEG file *is* a binary file. This is called "steganography", and searching for "steganography java" should yield many hits, including DIIT on SourceForge.
 
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