On the Subject of the Maroon Cipher
I bet you will feel like a maroon trying to tackle this cipher.
On the module, you will see 3 screens, a keyboard, 2 buttons with a letter on it, and a submit button that displays the current page you're on.
Pressing the right arrow takes you to the next page. Pressing the left arrow takes you to the previous page. There is a total of 2 pages.
On page 1, the top screen shows a 6 letter encrypted word, the middle and bottom screens shows a word.
On page 2, the top screen shows a letter followed by 3 Roman numerals, the middle screen shows 3 letters, and the bottom screen shows some letter pairs.
Step 1: Monoalphabetic Cipher
For this, you're going to need the encrypted word on the top screen and the keyword on the middle screen on page 1.
Remove any duplicate letters from the keyword (keep each letter’s first occurrence). Take the entire alphabet and remove any letters that are in the keyword.
If the number of ports modulo 4 is 0 or 1, place the alphabet at the end of the keyword. Otherwise, place the alphabet at the beginning of the keyword. This is the alphabet key. Place a 2nd alphabet underneath the alphabet key.
For each letter of the encrypted word, find the letter in the alphabet key and replace it with the letter directly below the alphabet key.
The resulting letters will become your new encrypted word.
Encrypted Word: TTNKDM
TTNKDM -> ZZWICK
New Encrypted Word: ZZWICK