The translated 1940 Enigma General Procedure

Index Page

Tony Sale's
Codes and Ciphers


Addresses and Signatures
Book Indicator Group
Ciphering Offizier & Staff
Cipher Memoranda
Deciphering for Army Cipher
Deciphering Offizier & Staff
Designation of Service Stations
Enciphering for Army Cipher
Enigma Offizier & Staff Procedure
Example Message Form
Indicator Groups
Indicator Group for Army Cipher
Making Messages Longer
Message Cipher
Padding and Separation of Groups
Practical Cipher Service
Practical Method of Enciphering
Practical Method of Deciphering
Preparation of the Plain Text
Preparation of Plain Text for Army Cipher
Punctuation Marks
Radio Indicator Groups
Servicing Regulations
Stress Marks
Subdivision of Messages
Summary Naval/Army Enigma
Summary of Text Aids
Treatment of Cipher Mistakes
Urgency Signs
Use of the Enigma for the Army Cipher
Using Army Cipher on the Naval Enigma

Back to the index page for Tony Sale's Codes and Ciphers in the Second World War.

This page was originally created by the late Tony Sale, the original curator of the Bletchley Park Museum, and Secretary of the Bletchley Park Heritage Society. Technical assistance from Andrew Hodges