Deze website zou nooit mogelijk geweest zijn zonder de
verschillende bronnen en vooral de hulp van vele
vrienden. Ik zal proberen de mensen en bronnen op te
sommen, die geholpen hebben deze website informatief en
historisch correct te maken.
Personen
Frode Weierud
Prof. Tom Perera
David Hamer
Ralph Erskine
David Kahn
Jerry Proc
John Alexander
Tony Sale
Stefan Krah
Lech Maziakowski
Nicholas Gessler
Gudmundur Helgason
Paul Reuvers
Bob Lord
Martin Oberzalek
Morton Swimmer
Alphonse
Toby Anderson
Andy Carlson
David Ross
Klaus Kopacz
Rebecca Ann Ratcliff
Speciale dank aan Graeme
voor zijn hulp bij het editen van sommige Engelstalige
pagina's.
Documenten en boeken
David H. Hamer, Geoff
Sullivan and Frode Weierud, "Enigma Variations: an
Extended Family of Machines," Cryptologia 1998
Louis Kruh and Cipher
Deavours, "The Commercial Enigma: Beginnings of
Machine Cryptography," Cryptologia, 2002
David P Mowry,
"German Cipher Machines in Worl War II",
Studies in Cryptology, NSA 2003
Commander Jerry C.
Russell, US Navy, "Ultra and the campaign against
the U-boats in World War II", Studies in Cryptology,
NSA
Ralph Erskine,
"Kriegsmarine short signal systems and how Bletchley
Park exploited them", Cryptologia 1999
Chuck Roberts, "ULTRA
in the Atlantic: U-boat operations", HyperWar
Foundation, Special Research History NSA
Robert J. Hanyok,
"Eavesdropping on Hell. Historical guide to Western,
Communications Intelligence and the Holocaust,
1939-1945", Studies in Cryptology, NSA 2005
James Gillogly,
"Ciphertext-Only Cryptanalysis of Enigma",
Cryptologia 1995.
Ralph Erskine and Frode
Weierud, "Naval Enigma: M4 and its Rotors",
Cryptologia, 1987.
Ian Williams, "ULTRA
in the Atlantic Volume IV: U-Boat Communications and U.S.
Navy Communications Intelligence (Intercept and High
Frequency Direction Finding), HyperWar Foundation,
Special Research History NSA
David Hamer, "Enigma:
Actions Involved in the Double Stepping of the Middle
Rotor", Cryptologia 1997.
Heinz Ulbricht, "Die
Chiffriermaschine Enigma: Trügerische Sicherheit: Ein
Beitrag zur Geschichte der Nachrichtendienste", PhD
Thesis, 2005
Tom Perera, "The
Story of the ENIGMA: History, Technology and
Deciphering"
Ralph Erskine,
"Breaking Naval Enigma (Dolphin and Shark)"
Ralph Erskine, "Naval
Enigma: Seahorse and other Kriegsmarine cipher
blunders", Cryptologia 2004
Tony Sale, "The
Bletchley Park translated Enigma Instructions Manual,
transcribed and formatted", 2001
Tony Sale, "Enigma
Officer and Staff Procedures 1940", 2001
David Kahn, "Seizing
the Enigma", Houghton-Mifflin books, 1991
Michael Smith,
"Station X", Channel 4 Books, 1998
Ralph Erskine, "The
Kenngruppenbuch Indicator System Used with the Main
Wartime Naval Enigma Ciphers"
Dr A. Ray Miller,
"The Cryptographic Mathematics of Enigma", NSA
R. A. Ratcliff, "How
statistics led the Germans to believe enigma secure and
why they were wrong: Neglecting the practical mathematics
of cipher machines", Cryptologia 2003