ADFGX Cipher

Adfgx Cipher in the National Security Context

A definition and brief description of Adfgx Cipher in relation to national security is as follows:A code that applies the Polybius square in such a way that the letters A, D, F, G, and X take the place of numbers for the rows and columns. Some versions, known as the ADFGVX cipher, use the letter V to provide additional rows and columns, thus making possible the inclusion of the ten numerals along with the letters of the alphabet.