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Topic: Straddling checkerboard

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	Straddling checkerboard cijfer - Wikipedia
		Het Straddling checkerboard of spreidend schaakbord is één van de klassieke handcijfers.
		Het is deze voor Straddling Checkerboard typische onregelmatige nummering die cryptoanalyse bemoeilijkt.
		Een ander cijfer dat een uitgebreid checkerboard met dubbele onderbroken transpositie gebruik is het SECOM cijfer.
	nl.wikipedia.org /wiki/Straddling_checkerboard_cijfer (653 words)

	VIC cipher - Wikipedia, the free encyclopedia
		Although certainly not as complex or secure as modern computer operated stream ciphers or block ciphers, in practice messages protected by it resisted all attempts at cryptanalysis by at least NSA (and perhaps other organizations such as GCHQ) from its discovery in 1953 until Hayhanen's defection in 1957.
		The VIC cipher has several components, including a base 10 lagged Fibonacci generator, a straddling checkerboard, and a disrupted double transposition.
		Until the discovery of VIC, it was generally thought that a double transposition alone was the most complex cipher an agent, as a practical matter, could use as a field cipher.
	en.wikipedia.org /wiki/VIC_cipher (163 words)

	Straddle
		In finance, a straddle is an investment strategy involving the purchase or sale of particular derivative securities.
		Thus an investor may take a long straddle position if he thinks the market is highly volatile but does not know in which direction it is going to move.
		Nick Leeson took short straddle positions when chasing losses he had run up for his employer, Barings Bank.
	www.kiwipedia.com /en/short-straddle.html (307 words)

	[No title]
		DISRUPTION ALGORITHM The keys were used to generate the keys for transposition and the coordinates for a checkerboard for substitution through a complex LRE (Left to right enumeration) logic.
		The D areas increased the difficulty of finding the pattern and the straddling effect on the checkerboard increased the difficulty of frequency counts.
		The complication in substitution was the straddling device on the checkerboard.
	math.ucsd.edu /~crypto/Projects/AnthonyZanontian/vic.htm (814 words)

	Kenneth Snelson
		The checkerboard cages are those with 2, 5, 8, 10, 14, 18 and 32 rings.
		Clearly the 8-circle magnet cell was but one of seven checkerboard circlespheres that could perform in the same remarkable way.
		The polyhedra that can be checkerboarded include the octahedron, the cuboctahedron, the rhombicuboctahedron, the icosidodecahedron, the rhombicosidodecahedron, and others.
	www.kennethsnelson.net /circ_sph (4700 words)

	straddling - OneLook Dictionary Search
		Tip: Click on the first link on a line below to go directly to a page where "straddling" is defined.
		noun: a gymnastic exercise performed with the legs straddling the parallel bars
		Phrases that include straddling: straddling embolism, straddling checkerboard, straddling stocks
	www.onelook.com /?w=straddling (179 words)

	Encyclopedia: Straddling checkerboard
		In statistics, a frequency distribution is a list of the values that a variable takes in a sample.
		In cryptography, a substitution cipher is a method of encryption by which units of plaintext are substituted with ciphertext according to a regular system; the units may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth.
		Cipher that use a straddling checkerboard are the VIC cipher and SECOM The VIC cipher was a pencil and paper cipher used by the Soviet spy Reino Hayhanen, codenamed VICTOR.
	www.nationmaster.com /encyclopedia/Straddling-checkerboard (1138 words)

	Dirk's English Weblog: The Russian VIC Cipher (Site not responding. Last check: 2007-10-18)
		The 10 last number were then used as header for a straddling checkerboard.
		Next, One part of the numbers was used to perform a simple transposition on the with the checkerboard encrypted text, another part was used to perform as disrupted transposition.
		Despite being a pencil-and-paper cipher, it has proven to be a highly secure cipher, and the strongest ever, known to be issued for use in the field.
	dirk-defcom-en.blogspot.com /2005/08/russian-vic-cipher.html (278 words)

	Straddling checkerboard - Wikipedia, the free encyclopedia
		Although the size of groups can vary, deciphering is unambiguous because whenever the next element to be deciphered starts with a 2 or a 6, it is a pair; otherwise, it is a singleton.
		Cipher that use a straddling checkerboard are the VIC cipher and SECOM
		This page was last modified 17:07, 24 September 2005.
	en.wikipedia.org /wiki/Straddling_checkerboard (331 words)

	The Bifid, the Trifid, and the Straddling Checkerboard
		Since Vigenère is a form of addition, doing addition on digits is easier for most people than doing it on letters, particularly without the use of special equipment.
		Another form of straddling checkerboard sometimes seen is simpler than the one given above for converting letters to digits.
		Instead of trying to reflect letter frequencies, a straddling checkerboard like the following only acknowledges the fact that the space is a very common character:
	www.hypermaths.org /quadibloc/crypto/pp1322.htm (1351 words)

	CNN.com - Transcripts
		He's reported on the region for decades and has now made a documentary about the barrier called "Straddling the Fence." It will be airing on CNN this weekend.
		MANN: The film is "Straddling the Fence" and you'll see it on CNN this weekend.
		Well, what that does is really chop up the West Bank into a complete checkerboard, isolating Palestinian communities, and make it as easy for a Palestinian to go from Qalqilya to Hebron as it would be from Qalqilya to Juneau, Alaska.
	cnnstudentnews.cnn.com /TRANSCRIPTS/0404/01/i_ins.00.html (3195 words)

	[No title]
		Inmates were forbidden to talk, and to outwit their jailers they invented a "knock" system to indicate the rows and columns of a simple checkerboard (Polybius square at 5x5 for English or 6x6 for 35 Russian letters).
		It merged the straddling checkerboard with the one-time key.
		It increased the efficiency of the checkerboard by specifically giving the high frequency letters (O,S,N,E,A; P,G) the single digits (along with two low frequency letters).
	www.und.nodak.edu /org/crypto/crypto/lanaki.crypt.class/docs/russian/russ1.kript (544 words)

	Cipher Classics - Dirk's Website (Site not responding. Last check: 2007-10-18)
		With the Cipher Classics tool you can encipher and decipher messages with a list of classic ciphers, also called field ciphers, as they were used by many soldiers and secret agents in history.
		The SECOM cipher is a handcipher, used to encrypt a message, containing letters, numbers and spaces.
		SECOM uses four steps: calculating the key phrase digits, the straddling checkerboard, and two columnar transpositions, of which one disrupted.
	users.telenet.be /d.rijmenants/en/classics.htm (120 words)

	forced sex slave stories, the pole - non commercial rape sites with pictures'
		To fuck my brains out Then she chuckled "But we're production of licking her lips contrasted nicely with the checkerboard passed out While I was rape pics vidio gouged out one eye to feast on, celebrity rape clips.
		Pulled into another fleshie, Roger and Lisa lower like a concludes is assault on her - her fingers to wipe all the blondes raped fucked paused for a minute enjoying, claudia adkins forced blowjob understood but insisted they straddling her waist.
		Twist my arm further He raped girlfriend in bath She was screaming and moaning wouldn't be stalking of the rink and the two each, rape girl thumb cartoom rape pics to the hook He then pushed.
	might.zen-izauk.org /movie/asain.html (1019 words)

	Part 6 of US holiday, 1997 (Site not responding. Last check: 2007-10-18)
		At 6,190 feet the road reached its summit and in an arid and sandy countryside, we began the twisting descent to the eastern edge of Zion National Park.
		This very hilly area is known as the Checkerboard Mesa, and is composed of a fantastic array of yellow, red, and orange sandstone eroded into gullies and exposed rock-faces revealing the stratification and shapes of the huge sand-dunes from which the present-day rocks were formed.
		For the next two or three miles there followed the most exhilarating drive as the road twisted and turned downhill until we were stopped by park rangers at the entrance to a tunnel cut into the vertical rock-face straddling the road.
	users.tibus.com /USA-holiday/story06.htm (1831 words)

	Cryptography-Digest Digest #13
		33 bits), : > and this string completely specifies both a straddling checkerboard : > and a double transposition, assuming the algorithm is known.
		a permutation of 1234567890) is used as the key for the straddling checkerboard.
		Also note that by choosing to use 10+m, 10+n as the widths, the maximum number of digits ever actually required from the 5x10 table will be 49 (39 for transposition keys plus 10 for the checkerboard key), while the minimum number would be 33 (23 for transp keys plus 10 for the checkerboard).
	www.mail-archive.com /cryptography-digest@senator-bedfellow.mit.edu/msg02425.html (3603 words)

	Fractionated Morse, and Other Oddities
		Morse code uses variable-length symbols made up of dots and dashes, but unlike a straddling checkerboard, the length of a symbol is not determined by the dots and dashes within it.
		One way to deal with that is to change the table, so that those 9 spaces are instead filled by two symbols from the ABC set of symbols.
		Another technique I once described involved first using the straddling checkerboard to encipher a message as digits, and then to use Playfair to encipher it.
	www.quadibloc.com /crypto/pp1323.htm (1157 words)

	bifid cipher Index - Computer-Technology-Find (Site not responding. Last check: 2007-10-18)
		The Cipher Exchange (CE) is that department of The Cryptogram that...
		The Bifid, the Trifid, and the Straddling Checkerboard Rating 4/10
		At first, the text is encoded using a checkerboard cipher.
	www.computer-technology-find.com /Cipher/bifid-cipher.html (617 words)

	Cryptography-Digest Digest #660
		The critical 10 digits serve to generate a "key sequence" of digits used to key not only the straddling checkerboard, but also two transpositions.
		Those three stages (viz., substitution via straddling checkerboard, followed by the two different transpositions), seem to be the essence of the cipher.
		Also, the steps leading up to the critical 10 digits do serve to incorporate a sender-created message key (unique to each message) into the cipher, thus helping to ensure that the "key sequence" is not repeated in other messages.
	www.mail-archive.com /cryptography-digest@senator-bedfellow.mit.edu/msg01866.html (3427 words)

	Sunset: Inspired by Matisse - using color in interior design - Brief Article
		The restrained neutrals in the floor and ceiling unify the main floor of the home.
		In the kitchen, wall tiles, carpet, and chairs share several hues; a checkerboard pattern repeats in the entry floor, painted ceiling, and table.
		The table straddling the checkerboard floor and spiral carpet ties the differing patterns together.
	www.findarticles.com /p/articles/mi_m1216/is_6_204/ai_62655896 (496 words)

	Metroactive Music \| Solo Careers
		Table For One: Gwen Stefani is happy she doesn't have to wear low-top Chucks and checkerboard suspenders any more.
		Going solo is a risky strategy where some make it and others flop in full view of fans and naysayers.
		Here's a rundown of artists who left the safe confines of the band and made it work, some who ate Costco-size boxes of humble pie, and others who are straddling the line of commercial success and failure.
	www.metroactive.com /papers/metro/10.12.05/solo-0541.html (749 words)

	Making Light: Consider the source
		It is indeed using the almanac as a one-time pad, with the plaintext changed to ciphertext using a straddling checkerboard.
		Okay, here's complete workshop instructions on how to use a straddling checkerboard with an almanac or phonebook to create a pretty decent pencil-and-paper cipher.
		The straddling checkerboard was used by the Jesuits in the 16th c., while the combination of the straddling checkerboard and the tabular numerical data was used by Die Rote Kapelle during WWII, transmitting Nazi military information from Berlin to Moscow.
	nielsenhayden.com /makinglight/archives/004361.html (9836 words)

	Lanaki Lesson 6
		Three of my favorite cipher Russian systems are: 1) Nihilist, 2) VIC - Disruption (aka straddling bipartite monoalphabetic substitution super-enciphered by modified double transposition) and 3) the One-Time Pad.
		For some reason, Russian prisoners were not allowed computers in their cells.
		The keys were used to generate the keys for transposition and the coordinates for a checkerboard for substitution through a complex LRE (Left to right enumeration) logic.
	www.fortunecity.com /skyscraper/coding/379/lesson6.htm (8376 words)

	O'Gallerie July 12, 13, and 14, 2004 Furniture and Decorative Arts Auction (post-auction prices) Page 7
		1890-1900: two-tier oak lamp table with round scalloped top on four spool-turned legs straddling a shaped under tier; two-tier mahogany lamp table with square top on four bobbin-turned legs straddling a square serpentine under tier.
		The band centering a circular bezel setting securing a single round checkerboard cut pink topaz, each shoulder of the shank having a rectangular panel of six square-cut blue sapphires.
		A COLLECTIBLE SET OF THREE VOLUMES dated 1855: "The Romance of the Aristocracy", or "Anecdotes and Records of Distinguished Families", by Sir Bernard Burke.
	www.ogallerie.com /auctions/2004-07/index_7.shtml (1257 words)

	[ SC2C Field Cipher ] - visual basic, vb, vbscript
		The SC2C Field Cipher combines fractionation and transposition to a very powerfull text encryption.
		It is a straightforward implementation of a straddling checkerboard, followed by a double columnar transposition, providing a very secure cipher.
		The advantage of this field cipher is that you can use both this program and the pencil-and-paper method to encrypt or decrypt your text messages.
	www.1cplusplusstreet.com /vb/scripts/ShowCode.asp?txtCodeId=59211&lngWId=1 (589 words)

	[ Cipher Classics ] - visual basic, vb, vbscript
		Encrypt swift and easy with this program, or try out the pencil-and-paper versions by following the instructions on how to use them "in the field", as many secret agents and soldiers did.
		Use ADFGVX, Caesar Shift, Single or Double Columnar Transposition, Playfair, the Straddling Checkerboard or Vigenère.
		Discover now, after the thrill of using my Enigma machine ;-), the secret world of the field ciphers.
	www.1cplusplusstreet.com /vb/scripts/ShowCode.asp?txtCodeId=58970&lngWId=1 (988 words)

	(1) a cypherpunk gold mine (2) RSA-PKP patent treatise (3) registration
		Contains the Transform routine only (the time-consuming part).
		mrrcip.zip Mark Riordan Implementations of many classical cipher schemes (simple substitution, columnar transpostion, Playfair, "straddling checkerboard", Vigenere, and so on).
		Main programs all, most in C but some in FORTRAN (hey, I wrote 'em a long time ago).
	cypherpunks.venona.com /date/1993/09/msg00800.html (1705 words)

	Cheap Trick - At Budokan Complete
		For a few glorious years in the late '70s, Cheap Trick embodied everything exciting and life-affirming about rock 'n' roll: pretty-boy singers in white suits, arsenals of flying-V guitars in all colors of the rainbow, panting choruses that were perfect backseat-teen-sex soundtracks, checkerboard patterns.
		Though Cheap Trick's career has waned over the past decade, anyone who's seen them steamroll through their white-hot, hyper-speed sets--with all the energy of a juvie punk band fresh off Ritalin--knows they've still "got it." Plus, the octave-straddling voice of golden-haired, golden-throated Robin Zander remains THE best in rock, hands-down.
		Our shopping cart is fully encrypted and secured by
	www.nehrecords.com /shop/CheapBudokan.htm (457 words)

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