Usage

Encoding a text message inside a picture

xphoto --encode -i cover.png -m "Hello World" -o encoded.png

Encoding a file inside a picture

xphoto --encode -i cover.png -f myfile.txt -o encoded.png

Decoding data from a picture

xphoto --decode -i encoded.png

Optional parameters

Password

xphoto --encode -i cover.png -m "Hello World" -o encoded.png --password mypassword