Cryptanalysis of the Enigma (English Wikipedia)

Sullivan & Weierud 2005, p. 215 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008
Sullivan & Weierud 2005 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008

cryptomuseum.com

Reuvers, Paul; Simons, Marc (2010), Enigma Cipher Machine, retrieved 22 July 2010

daytoncodebreakers.org

Wenger, Engstrom & Meader 1998 Wenger, J. N.; Engstrom, H. T.; Meader, R. I. (1998) [1944], History of The Bombe Project: Memorandum for the Director of Naval Communications, The Mariner's Museum, archived from the original on 16 June 2010
Desch, Joseph R. (21 January 1942), 1942 Research Report (PDF), retrieved 20 July 2013

demon.co.uk

jharper.demon.co.uk

Harper, John (ed.), "BTM – British Tabulatuing Machine Company Ltd", The British Bombe CANTAB, archived from the original on 4 December 2013
Harper, John (ed.), "Bombe Types", The British Bombe CANTAB, archived from the original on 4 December 2013

doi.org

Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 3.2, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024
Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 7, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024
Rejewski 1982, p. 80 Rejewski, Marian (1982), "Remarks on Appendix 1 to British Intelligence in the Second World War by F.H. Hinsley", translated by Christopher Kasparek", Cryptologia, vol. 6, no. 1 (published January 1982), pp. 75–83, doi:10.1080/0161-118291856867
Erskine 2006, p. 59 Erskine, Ralph (2006), "The Poles Reveal their Secrets: Alastair Denniston's Account of the July 1939 Meeting at Pyry", Cryptologia, vol. 30, no. 4 (published December 2006), pp. 294–305, doi:10.1080/01611190600920944, S2CID 13410460
Rejewski 1982, pp. 81–82 Rejewski, Marian (1982), "Remarks on Appendix 1 to British Intelligence in the Second World War by F.H. Hinsley", translated by Christopher Kasparek", Cryptologia, vol. 6, no. 1 (published January 1982), pp. 75–83, doi:10.1080/0161-118291856867
Baker, Joanne (September 2018). "Forgotten heroes of the Enigma story". Nature. 561 (7723): 307–308. Bibcode:2018Natur.561..307B. doi:10.1038/d41586-018-06149-y. PMID 30214032. S2CID 52272490.
Sullivan & Weierud 2005, p. 215 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008
Erskine 1999, pp. 187–197 Erskine, Ralph (1999), "The Holden Agreement on Naval Sigint: The First BRUSA?", Intelligence and National Security, 14 (2): 187–189, doi:10.1080/02684529908432545
Sullivan & Weierud 2005 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008

drive.google.com

Huttenhain & Fricke 1945, pp. 4, 5. Huttenhain, Orr; Fricke (1945), OKW/Chi Cryptanalytic Research on Enigma, Hagelin and Cipher Teleprinter Messages, TICOM This paper was written at the request of TICOM to show how the various German cipher machines could be solved. The authors assume Kerckhoffs's principle and do not address the breaking of the machines, only the solving of keys.
Huttenhain & Fricke 1945, p. 2. Huttenhain, Orr; Fricke (1945), OKW/Chi Cryptanalytic Research on Enigma, Hagelin and Cipher Teleprinter Messages, TICOM This paper was written at the request of TICOM to show how the various German cipher machines could be solved. The authors assume Kerckhoffs's principle and do not address the breaking of the machines, only the solving of keys.

ed-thelen.org

Wilcox 2001, p. 2 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Wilcox 2001, p. 5 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Wilcox 2001, p. 21 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Wenger 1945, p. 52 Wenger, J. N. (1945), "Appendix II: U. S. Army Cryptanalytic Bombe", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, archived from the original on 17 March 2010, retrieved 9 April 2010 (also National Archives and Records Administration Record Group 457, File 35701.)
Wenger 1945, p. 51 Wenger, J. N. (1945), "Appendix II: U. S. Army Cryptanalytic Bombe", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, archived from the original on 17 March 2010, retrieved 9 April 2010 (also National Archives and Records Administration Record Group 457, File 35701.)

ellsbury.com

Alexander c. 1945 "Background" Para. 2 Alexander (c. 1945) "Background" Para. 2 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Ellsbury 1998a Ellsbury, Graham (1998a), Description of the Enigma Machine, The Enigma Machine: Its Construction, Operation and Complexity (published 1998), retrieved 21 January 2009
Mahon 1945, p. 3 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 16 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Also referred to as a box shape or a chain. See Alexander c. 1945 Ch. II Para. 4 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Alexander c. 1945, Ch. II Para. 4 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 13 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 "Background" Para. 38 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 24 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 44 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 41 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Ellsbury 1998b Ellsbury, Graham (1998b), "The Turing Bombe: What it was and how it worked", in Ellsbury, Graham (ed.), The Enigma and the Bombe
Mahon 1945, p. 89 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 Ch. II Para. 11 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 22 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 Ch. II Para. 21 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 14 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 "Background" Para. 42 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 2 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 26 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 Ch. III Para. 5 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Alexander c. 1945 Ch. III Para. 20 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 62 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Alexander c. 1945 Ch. III Para. 21 Alexander, C. Hugh O'D. (c. 1945), Cryptographic History of Work on the German Naval Enigma, The National Archives, Kew, Reference HW 25/1
Mahon 1945, p. 63 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 64 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009
Mahon 1945, p. 77 Mahon, A.P. (1945), The History of Hut Eight 1939–1945, UK National Archives Reference HW 25/2, retrieved 10 December 2009

harvard.edu

ui.adsabs.harvard.edu

Baker, Joanne (September 2018). "Forgotten heroes of the Enigma story". Nature. 561 (7723): 307–308. Bibcode:2018Natur.561..307B. doi:10.1038/d41586-018-06149-y. PMID 30214032. S2CID 52272490.

his.com

lists101.his.com

Jacobsen 2000 Jacobsen, Philip H. (2000), British provision of German naval Enigma information, archived from the original on 11 July 2011, retrieved 26 March 2010

muskingum.edu

intellit.muskingum.edu

Erskine 1999, pp. 187–197 Erskine, Ralph (1999), "The Holden Agreement on Naval Sigint: The First BRUSA?", Intelligence and National Security, 14 (2): 187–189, doi:10.1080/02684529908432545

nature.com

Baker, Joanne (September 2018). "Forgotten heroes of the Enigma story". Nature. 561 (7723): 307–308. Bibcode:2018Natur.561..307B. doi:10.1038/d41586-018-06149-y. PMID 30214032. S2CID 52272490.

nih.gov

pubmed.ncbi.nlm.nih.gov

Baker, Joanne (September 2018). "Forgotten heroes of the Enigma story". Nature. 561 (7723): 307–308. Bibcode:2018Natur.561..307B. doi:10.1038/d41586-018-06149-y. PMID 30214032. S2CID 52272490.

open.ac.uk

cipherweb.open.ac.uk

Bletchley Park Text: November 1942: Departure of Alan Turing from BP, retrieved 16 April 2010^{[permanent dead link]}

parliament.uk

api.parliament.uk

Chamberlain, Neville (31 March 1939), "European Situation (2.52 p.m.)", Hansard, vol. 345, UK Parliament, retrieved 3 January 2009

rusi.org

"Poland's Decisive Role in Cracking Enigma and Transforming the UK's SIGINT Operations".

semanticscholar.org

api.semanticscholar.org

Erskine 2006, p. 59 Erskine, Ralph (2006), "The Poles Reveal their Secrets: Alastair Denniston's Account of the July 1939 Meeting at Pyry", Cryptologia, vol. 30, no. 4 (published December 2006), pp. 294–305, doi:10.1080/01611190600920944, S2CID 13410460
Baker, Joanne (September 2018). "Forgotten heroes of the Enigma story". Nature. 561 (7723): 307–308. Bibcode:2018Natur.561..307B. doi:10.1038/d41586-018-06149-y. PMID 30214032. S2CID 52272490.
Sullivan & Weierud 2005, p. 215 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008
Sullivan & Weierud 2005 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008

springer.com

link.springer.com

Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 3.2, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024
Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 7, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024

ticomarchive.com

Rezabek 2017. Rezabek, Randy (2017), TICOM: the Hunt for Hitler's Codebreakers, Independently published, ISBN 978-1521969021, archived from the original on 26 May 2022, retrieved 18 February 2018

turing.org.uk

Hodges 1995 Hodges, Andrew (1995), Alan Turing: a short biography: Part 4 The Second World War, retrieved 23 October 2008

web.archive.org

US Army 1945, p. 2 US Army (1945), The US 6812 Division Bombe Report Eastcote 1944, archived from the original on 22 July 2009, retrieved 1 May 2010
Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 3.2, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024
Gaj, Kris; Orłowski, Arkadiusz (2003), "Facts and myths of Enigma: breaking stereotypes" (PDF), Advances in Cryptology — EUROCRYPT 2003, Lecture Notes in Computer Science, vol. 2656, George Mason University, Fairfax, VA 22030, U.S.A.; Institute of Physics, Polish Academy of Sciences Warszawa, Poland, Section 7, doi:10.1007/3-540-39200-9_7, ISBN 978-3-540-14039-9, archived (PDF) from the original on 14 April 2008, retrieved 6 May 2024
Carter, Frank (2004), Rodding (PDF), archived from the original (PDF) on 11 April 2007, retrieved 20 January 2009
Wilcox 2001, p. 2 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Wilcox 2001, p. 5 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Bletchley Park Archives: Government Code & Cypher School Card Indexes, archived from the original on 29 April 2011, retrieved 8 July 2010
Harper, John (ed.), "BTM – British Tabulatuing Machine Company Ltd", The British Bombe CANTAB, archived from the original on 4 December 2013
Carter, Frank (2004), From Bombe 'stops' to Enigma keys (PDF), archived from the original (PDF) on 8 January 2010, retrieved 1 March 2009
Harper, John (ed.), "Bombe Types", The British Bombe CANTAB, archived from the original on 4 December 2013
Wenger, Engstrom & Meader 1998 Wenger, J. N.; Engstrom, H. T.; Meader, R. I. (1998) [1944], History of The Bombe Project: Memorandum for the Director of Naval Communications, The Mariner's Museum, archived from the original on 16 June 2010
Carter, Frank, The Abwehr Enigma Machine (PDF), archived from the original (PDF) on 2 October 2007, retrieved 24 April 2009
Sullivan & Weierud 2005, p. 215 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008
Jacobsen 2000 Jacobsen, Philip H. (2000), British provision of German naval Enigma information, archived from the original on 11 July 2011, retrieved 26 March 2010
Wilcox 2001, p. 21 Wilcox, Jennifer E. (2001), "About the Enigma", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, Center for Cryptologic History, National Security Agency, archived from the original on 17 March 2010, retrieved 9 April 2010 ASIN: B0006RLRA4
Wenger 1945, p. 52 Wenger, J. N. (1945), "Appendix II: U. S. Army Cryptanalytic Bombe", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, archived from the original on 17 March 2010, retrieved 9 April 2010 (also National Archives and Records Administration Record Group 457, File 35701.)
Wenger 1945, p. 51 Wenger, J. N. (1945), "Appendix II: U. S. Army Cryptanalytic Bombe", Solving the Enigma: History of the Cryptanalytic Bombe, a NSA phamphlet, archived from the original on 17 March 2010, retrieved 9 April 2010 (also National Archives and Records Administration Record Group 457, File 35701.)
Rezabek 2017. Rezabek, Randy (2017), TICOM: the Hunt for Hitler's Codebreakers, Independently published, ISBN 978-1521969021, archived from the original on 26 May 2022, retrieved 18 February 2018
Sullivan & Weierud 2005 Sullivan, Geoff; Weierud, Frode (2005), "Breaking German Army Ciphers" (PDF), Cryptologia, vol. 24, no. 3, pp. 193–232, doi:10.1080/01611190508951299, S2CID 23474156, archived from the original (PDF) on 29 September 2017, retrieved 16 October 2008