ZIP cracking

Known plaintext (file)

• https://github.com/keyunluo/pkcrack

pkcrack -C web_labyrinth_linguist.zip -c challenge/src/main/resources/static/font/Ancient_G_Written.ttf -P web_labyrinth_linguist-plain.zip -p challenge/src/main/resources/static/font/Ancient_G_Written.ttf -d web_labyrinth_linguist-decrypt.zip -a

Make sure that encrypted and plaintext ZIP archive file size is the same (same compression settings).

zip -9 -r web_labyrinth_linguist-plain.zip challenge
unzip -lvv web_labyrinth_linguist-plain.zip | grep Ancient
unzip -lv web_labyrinth_linguist.zip | grep Ancient