Date: Wed, 12 Jul 1995 17:18:44 EDT
From: "Randy Nichols, ACA Pres." <75542.1003@compuserve.com>

                   GERMAN REDUCTION CIPHERS
                           PART V
               NOTES ON ENIGMA CIPHER MACHINES
                            continued

---------------------------------------------------------

REFERENCES


(8)  Anonymous, Enigma and Other Machines, Air Scientific
     Institute Report, 1976.

(9)  David Kahn, "An Enigma Chronology", Cryptologia Vol
     XVII,Number 3, July 1993.

(10) Jurgen Roher's Comparative Analysis of Allied and Axis
     Radio-Intelligence in the Battle of the Atlantic,
     Proceedings of the 13th Military History Symposium, USAF
     Academy, 1988, pp 77-109.

(11) T. J. Runyan and Jan M. Copes "To Die Gallently", Westview
     Press 1994, p85-86 ff.

(12) IBID, Kahn.

(13) David Kahn, "Seizing The Enigma", Houghton Mifflin, New
     York, 1991.


(14) F. H. Hinsley, "History of British Intelligence in the
     Second World War", Cambridge University Press, Cambridge,
     1979-1988.


(15) David Kahn, The Codebreakers, McMillian Co., New York,
     1967.

(16) IBID, Enigma and Other Machines.

(17) F. W. Winterbotham, "The Ultra Secret", Harper and Row, New
     York,  1974.

(18) P. Beesley, "Very Special Intelligence", Doubleday, New
     York, 1977.

(19) Cipher A. Devours and Louis Kruh, Machine Cryptography and
     Modern Cryptanalysis, Artech, New York, 1985.

(20) IBID, Seizing the Enigma.

(21) OP Cit. The Codebreakers

(22) F.H. Hinsley and Alan Strip in "Codebreakers - Story of
     Bletchley Park", Oxford University Press, 1994, pp137 ff

(23) NSA's Friedman Legacy - A Tribute to William and Elizabeth
     Friedman, NSA Center for Cryptological History, 1992, pp
     201 ff.

(24) J. levine, U.S. Cryptographic Patents 1861-1981,
     Cryptologia, Terre Haute, In 1983.

(25) Rudolph F. Lauer,  "Computer Simulation of Classical
     Substitution Cryptographic Systems" Aegean Park Press,
     1981, p72 ff.

(26) IBID, Seizing the Enigma.

(27) Alan Turing "The Enigma", by A. Hodges. Simon and Shuster,
     1983.

(28) Marian Rejewski, "Mathematical Solution of the Enigma
     Cipher" published in vol 6, #1, Jan 1982 Cryptologia pp 1-
     37.

(29) Gilbert Bloch and Ralph Erskine, "Exploit the Double
     Encipherment Flaw in Enigma", Cryptologia, vol 10, #3,
     July 1986, p134 ff.  (29)

(30) Rudolph F. Lauer, "Computer Simulation of Classical
     Cryptographic Substitution Systems", Aegean Park Press,
     1981.

(31) Rosario Candela, "Isomorphism and its Application in
     Cryptanalytics, Cardanus Press, NYC 1946.


(32) Dr. Wladyslaw Kozaczuk, "Enigma: How the German Machine
     Cipher was Broken and How it Was Read by the Allies in
     WWI", University Pub, 1984.

(33) Alan G. Konheim, "Cryptography -A Primer" , John Wiley,
     1981, pp 212 ff.

(34) Wayne G. Barker, "Cryptanalysis of the Hagelin Cryptograph,
     Aegean Park Press, 1977.

(35) George Sassoons, "Radio Hackers Code Book", Duckworth,
     London, 1986.

(36) Bruce Schneier, in "Applied Cryptography', 1994.

(37) IBID, Konheim.

(38) IBID, Marian Rejewski, "Mathematical Solution of The Enigma
     Cipher.

(39) Anthony - Cave Brown, "Bodyguard of Lies", Harper and Row,
     New York, 1975.

(40) H. Montgomery Hyde, "Room 3603, The Story of British
     Intelligence Center in New York During World War II",
     New York, Farrar, Straus, 1963.

(41) Norbert Ryska and Siegfried Herda, "Kryptographische
     Verfahren in der Datenverarbeitung," Gesellschaft fur
     Informatik, Berlin, Springer- Verlag1980.

(42) IBID, Sassoon.

(43) Op. Cit , "Enigma and Other Machines"