Challenge "ASAC — A Strong(er) ADFGVX Cipher — Part 4" ¶
By: admin on July 9, 2016, 7:13 p.m.
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.