PNGme

A command line program that lets you encode/decode secret messages in PNG files.

Characteristics

1. Encode a message with a key into a PNG file.
2. Decode a message with a key that is stored in a PNG file.
3. Remove the message from a PNG file.
4. Print a list of PNG chunks that can be searched for messages.

Example usage

# To encoded
pngme encode image.png RusT "Secret message" "Secret key"

# To decoded
pngme decode image.png RusT "Secret key"

# To remove the secret message
pngme remove image.png RusT

# See other available commands
pngme help

References

• Rust introduction
• PNGme rust challenge