Digital means a file that can be stored on a computer or electronic device. Image means that the file is a picture or animation. “The term steganography comes from the Greek words meaning “to cover tightly” and “writing.” In other words, steganography refers to hiding a file within a computer or computer-like device. “Digital steganography refers to concealing a message in a digital format.”
The main goal of DIS is to
keep an image file secret and undetectable to outside eyes. This
way, the image file can not be found and remains a closed file.
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