Codes used by the Major Allied powers

Obviously this list is not complete but I believe it is correct .I’ve used every source I could find from TiCOM reports to Wikipedia.



USA

Diplomatic:    Gray,Brown ,A1,C1 , M138A , SIGFOY ,SIGABA(small number?) and from 1944 CCM ,SIGTOT

Military attaché :  Military Intelligence code , War Department Confidential Code , M-138A

Armed Forces :  Strip ciphers M-94 and M-138 , Division Field Code , Slidex , Bomber Code , War Department Telegraph Code

Cipher machines : SIGABA , SIGCUM, M-209 (Hagelin C-38), SIGFOY (Enigma type) , CCM

OSS : various hand ciphers , M-138

Ciphony devices : A3 , Sigsaly

Soviet Union

Diplomatic : Main system one time pad

Armed Forces :  2,3,4 figure codes of various types , 5-figure book enciphered by Bloknot (numerical additive).Two main types of additive books : Individual (one time pad) , Circular (each page valid for 1 day).

Cipher machines : M100/101 teleprinters , K37 ( modified Hagelin B211)

Ciphony devices : EU-2 , Соболь (Sable)

Britain 

Diplomatic: Cypher M , Inter-departmental Cypher , Dominions Office confidential code, Colonial office confidential code, India office cipher ‘S’, India office code ‘Q’ , R code , Government Telegraph Code

Army – Air Force:  War Office Cypher , RAF Cypher  , Inter-Service Cypher , Inter-departmental Cypher , Codex, Slidex,  Bomber Code , Syko , Rekoh

Naval : Naval Cypher , Naval Code , Administrative Code , Fleet Code , Merchant Navy Code , Merchant Ships Code , Small Ships Basic Code , Independently routed ships , Naval Shore Code

Cipher machines :  Typex , CCM , Rockex , 5-UCO