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Topic: Book cipher

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Running key cipher

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	Book cipher
		A book cipher is a cipher in which the key is the identity of a book.
		Traditionally book ciphers work by replacing words in the plaintext of a message with the location of words from a book.
		Perhaps the most famous use of a book cipher is in the Beale ciphers.
	www.xasa.com /wiki/en/wikipedia/b/bo/book_cipher.html (147 words)

	Book cipher - Wikipedia, the free encyclopedia
		A book cipher is a cipher in which the key is the identity of a book or other piece of text.
		Traditionally book ciphers work by replacing words in the plaintext of a message with the location of words from a book.
		Perhaps the most famous use of a book cipher is in the Beale ciphers, of which document no. 2 uses a (modified version of) the United States Declaration of Independence as the key text.
	en.wikipedia.org /wiki/Book_cipher (576 words)

	Running key cipher - Wikipedia, the free encyclopedia
		In classical cryptography, the running key cipher is a type of polyalphabetic substitution cipher in which a text, typically from a book, is used to provide a very long key stream.
		Usually, the book to be used would be agreed ahead of time, while the passage to use would be chosen randomly for each message and secretly indicated somewhere in the message.
		Because both ciphers classically employed novels or Bibles as part of their key material, many sources confuse the book cipher and the running key cipher.
	en.wikipedia.org /wiki/Running_key_cipher (791 words)

	Braingle: Book Cipher
		A book cipher uses a large piece of text to encode a secret message.
		To implement a book cipher, each word in the secret message would be replaced with a number which represents the same word in the book.
		For example, if the word "attack" appeared in the book as word number 713, then "attack" would be replaced with this number.
	www.braingle.com /brainteasers/codes/book.php (118 words)

	SecurityDocs: Comment on An Introduction to Block Cipher Algorithms and Their Applications in Communication Security
		Feistel Ciphers are also known as “DES-Like” ciphers because of the method the Data Encryption Standard uses for the algorithm.
		Cipher Feedback is similar to Cipher Block Chaining, but instead of encrypting the XORed block, it starts by encrypting the seeded value, and then XORing that with the first block.
		Block Cipher algorithms also have the advantage that it isn’t difficult to encrypt and decrypt messages, because the same key is used to encrypt and decrypt.
	www.securitydocs.com /library/3258 (1345 words)

	Initial Knowledge (Site not responding. Last check: )
		As the book cipher was described in The Code Book, this should imply that the numbers given are indices to words in a key text, and the initial letters in these words should give the plaintext.
		The language of the plaintext had a tendency to be correlated with the origin of the cipher.
		Since book ciphers were exemplified with the Beale ciphers, this would imply that English should be the language of the plaintext.
	codebook.org /node28.html (121 words)

	Salon Books \| "The Code Book" by Simon Singh (Site not responding. Last check: )
		Singh goes beyond the technical details of cryptography to profile the people behind the codes; his book is full of enlivening biographical details and deft portraits of some of the quirkier figures in the history of mathematics, computer science, archaeology and diplomacy.
		The book's lone false note comes at the end, when Singh contemplates the cryptographic advances based on quantum physics that may appear in the 21st century.
		He seems to take seriously the likelihood that a truly unbreakable cipher is on the horizon -- this after 300 pages detailing the history of just such a fantasy.
	www.salon.com /books/review/1999/10/06/singh (762 words)

	[2.0] Refining The Art
		For example, two substitution cipher alphabets could be defined and used on alternating letters of a plaintext, with all the even-numbered letters enciphered by one cipher alphabet and all the odd-numbered letters enciphered by the other.
		He realized that it was a "book cipher", in which the numbers in the ciphertext indicate the position or "index" of words in some external document, or "keytext", such as one of the books of the Bible.
		The difficulty of cracking the Beale ciphers is due to the fact that the amount of ciphertext is so small, and if the ciphertexts are actually based on a book cipher the number of possible keytexts is unlimited.
	www.vectorsite.net /ttcode_02.html (3093 words)

	Recommended Cryptography Books: Kids Section
		This book was my introduction to secret codes as a child.
		Hopefully, this book will get back into print soon, but it shouldn't be to hard to track down a used copy online.
		The books explore traditional (pre computer) cryptography, and both come with software (DOS, but works with Windows) that lets you try out the concepts you learn in each chapter.
	www.youdzone.com /cryptobooks_Kids.html (447 words)

	Book cipher - InformationBlast
		A book cipher is a cipher in which the key is the identity of a book.
		An alternative approach which gets around this problem is to replace individual letters rather than words, in which case the book cypher is properly a cypher.
		Perhaps the most famous use of a book cipher is in the Beale ciphers.
	www.informationblast.com /Book_cipher.html (140 words)

	Cipher Book 1 » Comics Worth Reading
		This book is missing any identifying imprint information at all on the cover, leaving only the title, volume number, author’s name, and a nondescript picture of a couple in winter.
		The title typeface seems to be individually chosen for the book instead of the heavy fl block caps previously used across the line.
		I was already disclined to continue with this book, given the readability problems, and the cutesy art began setting my teeth on edge.
	comicsworthreading.com /2005/12/11/cipher-volume-1 (1684 words)

	Ciphers By Ritter: Cryptography and Technology
		The cipher is keyed by constructing a particular orthogonal Latin square pair for each mixing element, which is fairly easy to do.
		An 8-bit cipher model which uses keyed 4-bit tables is presented to explore the strength of the structure.
		A 4-bit cipher model which uses keyed 2-bit tables is presented as a challenge to explore the strength of the structure.
	www.ciphersbyritter.com (5134 words)

	Crack the Code, Win Wild Rose History
		It was given to her at the start of the war by Thomas Jordan, a U.S. army officer who resigned his commission to join the Confederate forces in his native Virginia.
		Jordan taught her what he described as a rudimentary cipher, and although she continued to get encrypted messages out after her arrest, he lost confidence in the security of the system and told his superiors some months later to ignore reports written in Mrs.
		Because some of it is not encrypted, the document probably is a draft of a message she had already dispatched or intended to send to her handler, Colonel Jordan, at Confederate headquarters in Manassas, Virginia.
	www.wildrosebook.com /html/secrets.html (368 words)

	The Boy Mechanic Makes Toys: New Popular Mechanics Book, On Sale Now! - Popular Mechanics
		Consider a canoe: the aluminum frame blistering in the sun, its young passengers careful not to stand for fear of capsizing, sweating from the effort of paddling, dismayed when, after a swim, they find their vessel has floated 50 meters downstream.
		This new book takes play time—indoors and out, for young and old—from the hum-drum of store-bought amusements to the thrill of home-spun invention, all with the honest nostalgia of diagrams and explanations reproduced from original Popular Mechanics pages circa the early 1900s.
		Projects range from the simple cipher code to the ambitious backyard rollercoaster, but never fail to introduce elegance and intrigue into the pursuit of keeping kids—and parents—contentedly occupied.
	www.popularmechanics.com /blogs/home_journal_news/4217521.html (597 words)

	Cipher Challenge
		The Cipher Challenge was a set of ten encrypted messages to be found at the end of The Code Book, a history of codes and code breaking that I published last year.
		For example, in stage 2 a Latin message was encrypted with the Caesar cipher, and in stage 4 a French message was encrypted with the Vigenère cipher.
		I wondered if the winner might be a team made up of an amateur who had cracked the ancient ciphers and a computer expert who had cracked the latter two ciphers.
	www.simonsingh.net /Cipher_Challenge.html (2021 words)

	Book Ciphers
		Note all such ciphers would have an even number of numbers in them, which might be a hint that one is facing a book cipher.
		This is often a weakness of a book cipher, since it leaves you the problem of distributing the page covertly but definitively.
		If, for instance, which ever letter is represented by 1,1 is always represented by 1,1, then the cipher degenerates to a so called simple substitution cipher, which is easy enough to break.
	www.cs.miami.edu /~burt/journal/crypto/bookcipher (366 words)

	Braingle: Beale Cipher
		A beale cipher is a modified Book Cipher.
		With this method, each letter in the secret message is replaced with a number which represents the position of a word in the book which starts with this letter.
		For example, if we are enciphering the word "attack" we would start with the letter A. We would find a word in the book that started with A. Lets say that the 27th word was "and".
	www.braingle.com /brainteasers/codes/beale.php (212 words)

	Cipher Challenge
		The Cipher Challenge was a set of ten encrypted messages to be found at the end of The Code Book, a history of codes and code breaking that I published last year.
		I constructed the Cipher Challenge while I was writing The Code Book, so in total it took two years to prepare it.
		For example, in stage 2 a Latin message was encrypted with the Caesar cipher, and in stage 4 a French message was encrypted with the Vigenère cipher.
	www.simonsingh.com /Cipher_Challenge.html (2021 words)

	The Enigma General Procedure
		ciphering device end the General Procedure as the procedure to be
		use of the Enigma as the cipher device, and to indicate further the
		The Cipher Indicator Group as first Book Group, and.
	www.codesandciphers.org.uk /documents/egenproc/page09.htm (275 words)

	Fictionwise eBooks: Free eBooks, eBooks for Palm, PocketPC, PC, & Mac
		Lemuel Gulliver's journeys take him to Lilliput, a country whose inhabitants are no more than six inches tall; to Brobdingnag, a land of giants; to Laputa, a flying island inhabited by absent-minded people; and to the land of Houyhnhnms, where horselike creatures rule with intelligence and courtesy over repu...
		The Jungle Books can be regarded as classic stories told by an adult to children.
		It is the early summer of 1661, and the royal court of France is in turmoil.
	www.fictionwise.com /ebooks/ClassicLiteratureEbooks.htm (2191 words)

	The Code Book: Cipher Challenge (Site not responding. Last check: )
		For information on the book, here is /.
		It's not exactly the interface I want but I was rushed, and it's very crude, but if you are a java programmer it might be of use to you.
		If you wish to join a disussion list for the cipher challenge, send email to minordomo@danger-island.com with a subject of subscribe cipher.
	www.danger-island.com /~dav/cipher (147 words)

	FineCrypt - Encryption Software
		When we use a block cipher to encrypt a message of arbitrary length, we use techniques known as modes of operation for the block cipher.
		As with the electronic codebook cipher mode, if a single bit of the ciphertext block is garbled, then the corresponding plaintext block will also be garbled.
		CFB mode is as secure as the underlying cipher and plaintext patterns are concealed in the ciphertext by the use of the exclusive-or operation.
	www.finecrypt.net /modes.html (601 words)

	Printed Rituals
		The Kansas Cipher, approved by GL of Kansas, was adopted in1992, revised in 1994.
		It is called "The Extended Cipher" and is a combined first and last letter cipher, with portions, generally prayers and lectures of the degrees, being in full text, with a few ritual phrases in cipher.
		Kentucky printed a cipher book several years ago called "Th Ky Rtl" It was put together by a committee of members but was never enforced as THE ritual of Kentucky.
	www.bessel.org /writrits.htm (1264 words)

	Francis Bacon Research Trust - Cipher (Site not responding. Last check: )
		Bacon not only used cipher but also invented several ciphers of his own, one of which he describes in Book VI of the 1623 Latin edition of his Advancement of Learning (the De Augmentis Scientiarum, first published in English translation in 1640).
		From the principles of this cipher Morse Code was later developed, and ultimately the binary system that computers use nowadays.
		The simplest of the ciphers used by Francis Bacon and his Rosicrucian fraternity were numerical ones, wherein each letter of the alphabet has an equivalent numerical value.
	www.fbrt.org.uk /pages/rose/rose-cipher.html (442 words)

	singh1
		Singh was destroying the notes that he used to create the Cipher Challenge, a 10-part set of ciphers presented in the back of his best-selling book The Code Book.
		The first stage of the cipher, for example, was a substitution cipher, in which each letter in the secret message was replaced by a corresponding letter from a scrambled alphabet.
		Stage 5 was a book cipher, in which a particular passage in a particular book is used to encrypt the message.
	www.csl.uiuc.edu /new50/singh1.html (714 words)

	CORE 139 S04: Review Guide
		Examples of terms include but are not limited to cryptography, cryptology, steganography, cryptanalysis, cipher, code, transposition, substitution, monoalphabetic, polyalphabetic, nomenclator, perfect cipher, algorithm, key, known plaintext attack, chosen plaintext attack, chosen ciphertext attack, ciphertext-only attack, Kerckhoffs' Principle, digraph, trigraph, traffic analysis.
		You won't be asked to break a complex cipher (too time-consuming for an exam), but questions you might be asked include applying one specific step of a cryptanalysis or one specific technique, or describing what technique would be appropriate for a given circumstance.
		You should know: the similarities and differences between deciphering ancient scripts and breaking ciphers, and the history of deciphering Egyptian hieroglyphics and Linear B. You should know the time periods when Egyptian hieroglyphics and Linear B were written/used.
	cs.colgate.edu /faculty/nevison/Core139Web/review/review.html (1843 words)

	[No title]
		Entry: BL:17:25 Year: 1932 Title: A Gazetteer of Places in England and Wales, with the ciphers of the insurance committees of the areas in which they are situated.
		This book is interesting because the same publisher issued a 5L code book in 1912 with an MT. Loc: NCM Loc: Vancouver (BC) Public Nb: lists 448 pp.
		Note: Book consists of usual BCPC/1-4 parts plus ``Appendix.'' The first 4 parts are set in a different type from part 5, which is lighter.
	www.dtc.umn.edu /~reedsj/codebooks.txt (16732 words)

	Jefferson's Wheel Cipher
		Make sure the person you are sending it to has a cipher wheel with the same order of letters and disks as you have.
		The main problem with Jefferson's wheel cipher was that copies of the machine had to be made and sent to anyone who might possibly receive an encoded message.
		Jefferson eventually started using written cipher systems, since they were easier to use.
	library.thinkquest.org /04oct/00451/president.htm (379 words)

	The Codebook - vnunet.com (Site not responding. Last check: )
		The final example was intended to be the toughest public cipher challenge ever set, but in the age of the computer hacker this was the proverbial red rag to a bull.
		Despite the fact that the challenges at the end of the book have already been cracked, it is well worth a read, and the ciphers can still be attempted even if it is only for their entertainment value.
		The earlier ciphers were broken very quickly, the first falling on 1 September 1999, but the Swedes said that the one they found most difficult was stage five, a book cipher.
	www.vnunet.com /vnunet/features/2129878/codebook (1666 words)

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