What is emigma?

It is possible that you mean the Enigma machine, which was a cipher device used by the Germans during World War II to encrypt their communications. The Enigma machine used a system of rotors, steckerboards, and plugboards to scramble messages, which were then transmitted via radio. The machine was famously cracked by Alan Turing and others at Bletchley Park, which provided Allied forces with valuable intelligence during the war. However, the Germans continued to update and improve the Enigma machine throughout the war, so cracking messages remained a significant challenge. The Enigma machine is now a symbol of the struggle between code makers and code breakers, and its legacy can be seen in modern encryption methods.