We redesigned MysteryTwister, enjoy! Feedback
Explore Challenges
ASAC — A Strong(er) ADFGVX Cipher — Part 4 Level 2
by Stefan Fendt, published on 7/9/2016
This series consists of 5 challenges based on each other. It introduces a new three-step cipher called ASAC, which is a modified version of ADFGVX. Part 4 uses the complete cipher and is the main challenge of this series.