Category Archives: Louis XIV

The Great Headache

The Great Cipher used by King Louis XIV was an extremely strong cipher for several reasons. First, the cipher text included 587 different numbers. This magnitude of possible decipherments was the first line of defense. Additionally, because multiple cipher types … Continue reading Continue reading

Posted in Louis XIV, Student Posts, The Code Book, The Great Cipher | Comments Off on The Great Headache

The Great Decipherment

The Great Cipher, invented by the Rossignol family, was such a difficult cipher to crack because of two important factors. First the details and use of it was lost one the Rossignols died, which meant hat cryptanalyst had to start … Continue reading Continue reading

Posted in great cipher, Louis XIV, Rossignol, Student Posts, syllables, traps | Comments Off on The Great Decipherment