A tool for hiding data inside of images

a tool for hiding data inside of images

Quick test:

do python steg-encode.py test/message.txt test/covid19.png to generate the test/covid19-output.png file, which has the file encoded
now delete the original test/message.txt and test/covid19.png image
now do python steg-decode.py test/covid19-output.png to retrieve the message.txt file again