Write down your Stecker settings so that you can use them again in Step 15. We are using Key Indicator PIZ for our date, the 27th. Using the "Outer Settings" table, scan down the "Key Ind." (Key Indicator) column until you have located the Key Indicator and date of You will notice that the plugboard is numbered, not lettered. Working from left to right, set and install the last two rotors onto the shaft. Then select rotor II, set it to the letter "T," and install it next to the Beta or Gamma rotor on the shaft. You are using) in the box, check the end of the rotor to ensure it shows the letter "A," then install the rotor on the left end of the rotor Click on the Beta or Gamma rotor (depending on which machine The "Inner Settings" table gives you the rotor settings you will use. Remove rotors I, II, and III from the rotor shaft and store them in the box, in order. "Kriegsmarine M4-UKW = B" or "Kriegsmarine M4-UKW = C," depending on which machine you are using. Click on the letter "B" located at the left end of the rotor shaft until it shows either Indicator that has a "C" in this column, select the M4-UKW = C machine. The "UKW" column shows "B," which means that we will be using the Kriegsmarine M4-UKW = B machine. Note the matching "Key Ind." (Key Indicator): PIZ. Using the "Inner Settings" table, scan down the "Date" column and select the correct date for today. Basic Procedure steps 2-26, numbered using Roman numerals, are reprinted here for your convenience: Follow the "Basic Procedure: Encrypting and Sending a Kriegsmarine 4-rotor message," from step 2 through step 26, to put the daily key into theĮnigma machine, then stop. "Offizier" (German for "Officer") Key SheetĢ. Print-out a paper copy of all of these documents by clicking on the links: The sections of this procedure are clearly labeled as to which role the operator is to play, and when.ġ. Officer-to-Officer messages were reserved for only the most secret communications-so secret that even the ship's regular radio/Enigma operator could not know the contents.Įnigma World Code Group (EWCG) Note: For EWCG purposes, the sender of this message will have to play the roles of both the Officer and the Radio Operator. This procedure presents the new challenge of double encryption. Note: This procedure takes for granted that you already know the Basic Enigma 3-rotor Wehrmacht operating procedure and the Basic Enigma 4-rotor Kriegsmarine operating procedure. Officer-to-Officer Encrypting/Sending ProcedureĮncrypting and Sending a Kriegsmaring 4-rotor Officer-to-Officer message
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