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Topic: Tunny cryptography

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	Tunny (cryptography) \| English \| Dictionary & Translation by Babylon
		The Lorenz SZ 40 and SZ 42 (Schlüsselzusatz, meaning "cipher attachment") were German cipher machines used during World War II for teleprinter circuits.
		British codebreakers, who referred to encrypted German teleprinter traffic as "Fish", termed the machine and its traffic "Tunny".
		While the well-known Enigma machine was generally used by field units, the Lorenz machine was used for high-level communications which could support the heavy machine, teletypewriter and attendant fixed circuits.
	www.babylon.com /definition/Tunny_(cryptography) (113 words)

	Lorenz SZ 40/42 - Wikpedia (Site not responding. Last check: 2007-11-05)
		While the well-known Enigma machine was generally used by field units, the Lorenz machine was used for high-level communications which could support the heavy machine, teletypewriter and attendant fixed circuits.
		Tunny traffic was intercepted at Knockholt in Kent, before being sent to Bletchley Park.
		The first was a family of machines known as "Heath Robinsons", which used several high-speed paper tapes, along with electronic logic circuitry, to help break into Tunny.
	www.bostoncoop.net /~tpryor/wiki/index.php?title=Tunny_(cryptography) (592 words)

	enigma machine - Article and Reference from OnPedia.com
		In the history of cryptography, the Enigma was a portable cipher machine used to encrypt and decrypt secret messages.
		However, a different initial rotor position was chosen for each message, because if a number of messages are sent encrypted with identical or near-identical settings, a cryptanalyst has several messages "in depth", and might be able to attack the messages using frequency analysis.
		To counter this, a different starting position for the rotors was chosen for each message; a similar concept to an initialisation vector in modern cryptography.
	www.onpedia.com /encyclopedia/enigma-machine (4386 words)

	tunny - Hutchinson encyclopedia article about tunny
		It is I, a poor Tunny swallowed by the Shark at the same time as you.
		I remarked, among others, some germons, a species of mackerel as large as a tunny, with bluish sides, and striped with transverse bands, that disappear with the animal's life.
		This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
	encyclopedia.farlex.com /tunny (118 words)

	Security Forums :: View topic - Crack this code? (How TO and how TO NOT approach this) (Site not responding. Last check: 2007-11-05)
		Tunny, by the way, was the name Bletchley Park used for the Lorenz SZ42 machine, and was not a codebreaking machine.
		But for all that 'bletchleys tunny' was never a 'codebreaking machine' it WAS initialy used in the breaking of Lorenz, be it a considerably manual approach compared to their later efforts with a colossus.
		I am, therefore, referring to the device built by the british to emulate the german devices which was nicknamed 'tunny' If you wish to verify this I believe it was built at the UK's PORL which was, I think, then based at Dollis Hill.
	www.security-forums.com /viewtopic.php?p=94934 (3079 words)

	General Report on Tunny (Site not responding. Last check: 2007-11-05)
		Tunny traffic was tackled by the Research section shortly after the first link was set up in June, 1941.
		In July, 1942 Major R.P. Tester formed a Tunny section (the "Testery" - consisting mainly of ex-members of the Research section) to tackle Tunny on an operational basis, and from July to October, 1942 nearly every message was read.
		Newman's section became essential to all Tunny work and a new division of labour was effected.
	www.ellsbury.com /tunny/tunny-028.htm (405 words)

	Role of Poland in World War II [Free Republic]
		But the use of machines brought cryptography to a new level, since machines are much better at performing simple, monotonous tasks than we are.
		Cryptography is the art of encoding and decoding messages, or text.
		Tunny was the codename given to the machine the Germans called 'Schlussel-zusatz 40.' It was manufactured by a German company called Lorenz, and it therefore sometimes referred to as the Lorenz-machine.
	www.freerepublic.com /forum/a3b91a3703524.htm (13186 words)

	events archive for Jan-Feb_05
		The first machine used by the Germans to encript and decript teletype messages was the Schlusselzusatz 40, manufactured by the the Lorenz Co. It was introduced into operation by the German Army and was first encountered by the British in 1941.
		Tactical COMSEC became practical, small, and lightweight, and cryptography was integrated into radio and telephone equipment.
		Cryptography was extended to the wireless world of telecommunications...
	homepage.mac.com /rrucker/qcwa/Jan-Feb_2005_events.html (3449 words)

	Ultra
		As with other history, but more than for most, the history of cryptography, especially its recent history should be read carefully, due to its complexity and to possibly confusing or misleading agendas.
		A short and responsible account of World War II cryptography which is essentially up-to-date as of this writing is Battle of Wits by Stephen Budiansky.
		The official British history of cryptography in World War II is in four volumes, edited by Sir Harry Hinsley.
	www.datamass.net /ul/ultra.html (4078 words)

	Encyclopedia: Colossus computer (Site not responding. Last check: 2007-11-05)
		Teletype machines in World War II A teleprinter (teletypewriter, teletype or TTY) is a now largely obsolete electro-mechanical typewriter which can be used to communicate typed messages from point to point through a simple electrical communications channel, often just a pair of wires.
		Jump to: navigation, search In cryptography, encryption is the process of obscuring information to make it unreadable without special knowledge.
		In cryptography, a pinwheel was a device for producing a short pseudorandom sequence of bits (determined by the machines initial settings), as a component in a cipher machine.
	www.nationmaster.com /encyclopedia/Colossus-computer (4187 words)

	wikien.info: Main_Page (Site not responding. Last check: 2007-11-05)
		In World War II, Colossus was used for breaking the German Lorenz SZ 40/42 machine, codenamed "Tunny" by the British.
		A 500-page technical report on Colossus — entitled General Report on Tunny — was released by GCHQ to the national Public Record Office in October 2000; a section is available online [link].
		In May 2004, the construction of a replica of a Colossus Mk II was completed by a team led by Tony Sale.
	www.alanaditescili.net /index.php?title=Colossus_computer (1151 words)

	[No title]
		He said that the previous September, the final analysis of the "Tunny" cipher had been declassified and that he was in the process of transcribing and typesetting this work.
		Recent Advances in RSA Cryptography is of interest to graduate level students and researchers who will gain an insight into current research topics in the field and an overview of recent results in a unified way.
		Recent Advances in RSA Cryptography is suitable as a secondary text for a graduate level course, and as a reference for researchers and practitioners in industry.
	www.iacr.org /newsletter/v19n2.txt (17626 words)

	Bletchley Park Photos
		As a cryptographic engineer and a reader of history, I have an interest in the history of cryptography and the early days of machine computing and was able to visit Bletchley Park in November 2004 after business in London.
		I traveled to Bletchley (the small town where Bletchley Park is located) by train from London and then spent two interesting days over a weekend wandering and prowling about the famous Huts where Turing and the others worked their history altering magic over half a century ago.
		The British called the machine and its traffic Tunny and almost immediately reverse-engineered and understood the machine because of an error by a German operator just after it was introduced into operation.
	www.frobenius.com /bletchley.htm (2940 words)

	Fish (cryptography) - Wikipedia, the free encyclopedia
		While a large number of links were monitored, at least three different encryption systems were distinguished:
		Tunny — the Lorenz SZ 40/42 from Lorenz Electric.
		Tunny traffic was read successfully at Bletchley Park, using the famous Colossus computer.
	en.wikipedia.org /wiki/Fish_(cryptography) (193 words)

	Business Software Review : Article 'Export of cryptography' (Site not responding. Last check: 2007-11-05)
		Accordingly, regulations were introduced as part of munitions controls which required licenses to export cryptographic methods (and even their description); the regulations established that cryptography beyond a certain strength (defined by algorithm and length of key) would not be licensed for export except on a case-by-case basis.
		They observe that many of the advances, including asymmetric key cryptography and many of its algorithms, were already public in any case.
		Information about this period has begun to be declassified in recent years as the official 50-year (British) secrecy period has come to an end, as the relevant US archives have slowly opened, and as assorted memoirs and articles have been published.
	www.business-software-review.org /DisplayArticle692556.html (1435 words)

	Document -- Eavesdropping on Hell: Historical Guide to Western Communications Intelligence and the Holocaust, 1939-1945 ...
		Cryptography is the development of codes and ciphers.
		A code is defined as a method in which arbitrary groups of letter, number, or other symbols replace words, phrases, letters, or numbers for the purposes of concealment or brevity.
		To visualize the potential size of the Axis communications target is to grasp the scope and nature of the problem facing the Allied cryptologic agencies, especially early in the war: thousands of radio terminals on hundreds of radio networks around the world supporting Axis military, naval, diplomatic, security, intelligence, and commercial entities.
	www.historiography-project.com /books/20051007eavesdropping.html (20185 words)

	M-209 (Site not responding. Last check: 2007-11-05)
		In cryptography, the M-209, designated CSP-1500 by the Navy (C-48 by the manufacturer) is a portable, mechanical cipher machine used by the US military primarily in World War II, though it remained in active use through the Korean War.
		The M-209 was designed by Swedish cryptographer Boris Hagelin in response to a request for such a portable cipher machine, and was an improvement of an earlier machine, the C-36.
		As with the Lorenz Electric teletype cypher machine (codenamed Tunny by the Allies), if a codebreaker got hold of two overlapping sequences, he would have a fingerhold into the M-209, and its operation had some distinctive quirks that could be exploited.
	www.yotor.com /wiki/en/m2/M209.htm (2127 words)

	A COMPLETE SYSTEM OF CRYPTOGRAPHY
		This work, certainly a long and sufficiently involved composition, and one also which is wrapped from beginning to end in a perfect cloud of uncertainty, I still present to the reader in the Third Book, in an Elucidation which is short, clear, and unclouded by obscurities.?
		With regard to this subject, as being the most important part of Cryptography, or the first object of my enquiry, I shall make a few introductory remarks, requesting that you consider, what I shall say on this matter, is also for the most part said with reference to the whole art.?
		Since Selenus, as a likeness of the genius Divine, has this art described in method so easy and so learned, there is reason why the wise mind and the friend should alike render him thanks, -- asking for the author long length of life.
	www.sirbacon.org /ResearchMaterial/sbk1.htm (4340 words)

	cryptology - ivcon.net science and technology directory (Site not responding. Last check: 2007-11-05)
		Researchers in the UK have broken the distance record for quantum cryptography, the optical technique that enables ’unhackable’ communication along an optical fibre.
		This survey of cryptography laws is based on several reports, information from the Internet and personal communications.
		Cryptosystems Journal is a unique international journal dedicated to the implementation of cryptographic systems on IBM Personal Computers (and compatible clones) for the purpose of general scientific, mathematical, engineering, and computer science education and research.
	www.ivcon.com /mon/cryptology.shtml (1226 words)

	Colossus computer - Wikipedia, the free encyclopedia
		More recently, a 500-page technical report on the Tunny cipher and its cryptanalysis – entitled General Report on Tunny – was released by GCHQ to the national Public Record Office in October 2000; the complete report is available online [1], and it contains a fascinating paean to Colossus by the cryptographers who worked with it:
		In May 2003, the construction of a replica of a Colossus Mark II was completed by a team led by Tony Sale.
		It currently is on display in the Bletchley Park Museum in Milton Keynes, Buckinghamshire.
	en.wikipedia.org /wiki/Colossus_computer (2072 words)

	Topics in cryptography - Wikipedia, the free encyclopedia
		This article is intended to be an 'analytic glossary', or alternatively, an organized collection of annotated pointers.
		See List of cryptography topics for an alphabetical listing of cryptography articles.
		ISO standardization process (produces many standards in many areas; some are cryptography related, ongoing)
	en.wikipedia.org /wiki/Topics_in_cryptography (1372 words)

	The Lorenz Schlusselzusatz
		A paper by F. Carter, in "Cryptography and Coding", the proceedings of the 6th IMA International Conference, from December, 1997, gave significant additional details of how COLOSSUS was used.
		The tapes were padded with nulls to make them of relatively-prime length, and HEATH ROBINSON indicated at what point in the motions of both tapes a correlation between the two was found.
		There is also a paper by W. Tutte, one of the cryptanalysts who worked on messages enciphered by the Schlusselzusatz at Bletchley Park, now available on the site of Frode Weierud that details the early days of the cryptanalysis of the Schlusselzusatz, codenamed Tunny by the British.
	friedo.szm.sk /krypto/JS/te0301.htm (905 words)

	Talk:Colossus computer - Wikpedia (Site not responding. Last check: 2007-11-05)
		It is intended that this article be included in WikiReader Cryptography, a WikiReader on the topic of cryptography.
		All Colossus could do, really, was read paper tape, perform certain plug-selected binary operations on one or more of the bits of each frame read from the tape (usually only 2 channels out of 5 were looked at), and depending on the output of that binary function, increment counters.
		The novelty of Colossus lies in the technology, more than the architecture: it was certainly the first large-scale electronic digital device, and thereby had a great influence on post-WWII computer development in the UK (since many of the leading lights in that field, such as Newman and Turing, were intimately associated with Colossus).
	www.bostoncoop.net /~tpryor/wiki/index.php?title=Talk:Colossus_computer (3334 words)

	AntiOnline Forums Archive (Site not responding. Last check: 2007-11-05)
		Anybody interested in the History of cryptography may find the following of interest.
		However, it was reset every time a message was sent, and each time this was done the key to the cipher needed to be broken.
		Tunny looked nothing like the original Lorenz machine, but the function of the two was identical," Hakon said.
	www.antionline.com /history/topic.php/261528-1.html (657 words)

	Colossus by from Foyles Bookshop, London.
		With an introductory essay on cryptography and the history of code-breaking by Simon Singh, this book reveals the workings of Colossus and the extraordinary staff at Bletchley Park through personal accounts by those who lived and worked with the computer.
		Among them is the testimony of Thomas Flowers, who was the architect of Colossus and whose personal account, written shortly before he died, is published here for the first time.
		Living With Fish, Breaking Tunny in The Newmanry and The Testery, 16.
	www.foyles.co.uk /foyles/display.asp?ISB=019284055X&TAG=&CID= (312 words)

	Alan Turing's Report from Washington, 1942
		Although the United States had been a British ally for nearly a year, the alliance was very far from complete, as Turing's report indicates in grimy detail.
		The reference to Tunny, for instance, indicates that Turing had no idea whether he could reveal anything to the Americans about the British breakthrough with the Lorenz machine cipher.
		As a result of this and quite a number of other examples of the same sort of thing, I am persuaded that one cannot very well trust these people where a matter of judgment in cryptography is concerned.
	www.turing.org.uk /sources/washington.html (1285 words)

	Library Management Network /ALL
		These engaging memoirs, each written by a different member of the codebreakers team, recount the long hours working in total secrecy and the feelings of camaraderie, tension, excitement, and frustration as these men and women, both British and American, did some of the most important work of the war.
		These talented people share not only their technical knowledge of cryptography and military logistics,,but also poignant personal recollections as well.
		And William Millward confides that he is still haunted by the work he did in Hut 3 nearly fifty years ago.
	www.lmn.lib.al.us:90 /record=b1242541 (492 words)

	Read about Colossus computer at WorldVillage Encyclopedia. Research Colossus computer and learn about Colossus computer ... (Site not responding. Last check: 2007-11-05)
		The slanted control panel on the left was used to set the pin patterns on the Lorenz; the paper tape transport is on the right.
		In World War II, Colossus machines were used to assist in breaking the German Lorenz SZ 40/42 machine, codenamed "Tunny" by the British.
		More recently, a 500-page technical report on the Tunny cipher and its cryptanalysis — entitled General Report on Tunny — was released by GCHQ to the national
	encyclopedia.worldvillage.com /s/b/Colossus_computer (1607 words)

	Fish (cryptography) - Encyclopedia Glossary Meaning Explanation Fish (cryptography) (Site not responding. Last check: 2007-11-05)
		Fish (cryptography) - Encyclopedia Glossary Meaning Explanation Fish (cryptography).
		Here you will find more informations about Fish (cryptography).
		The orginal Fish (cryptography) article can be editet
	www.encyclopedia-glossary.com /en/Fish-cryptography.html (219 words)

	Business Software Review : Article 'Cryptography standards' (Site not responding. Last check: 2007-11-05)
		This may enable the cryptanalyst to deduce part of the tableau, then proceed as before (but with gaps where there are sections missing from the reconstructed tableau).
		In cryptography, PKCS refers to a group of Public Key Cryptography Standards devised and published by RSA laboratories in California.
		In cryptography, the Standards for Efficient Cryptography Group (SECG) is an international consortium founded by Certicom in 1998.
	www.business-software-review.org /DisplayArticle672605.html (951 words)

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