One-time pad - Factbites

One-time pad - Factbites
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Topic: One-time pad

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	One-time pad - Wikipedia, the free encyclopedia
		The classical one-time pad of espionage (which often required actual pads of minuscule paper, a sharp pencil and the use of some mental arithmetic) can be implemented as a software program using data files as input (plaintext) and output (ciphertext) and key material (the required random sequence).
		One-time pads are "information-theoretically secure" in that the encrypted message (ie, the ciphertext) provides no information about the original message to a cryptanalyst.
		One-time pads were employed by Soviet espionage agencies for covert communications with agents and agent controllers.
	www.wikipedia.org /wiki/One-time_pad (5307 words)

	One Time Pad
		The downside of this code is that you have to distrubute the one time pad between you and your correspondant.
		This leaves you open to having the one time pad stollen or discovered because it is physically in both of your hands.
		One time pads are among the most secure of all forms of cryptography.
	www3.brinkster.com /Redline/crypt/oneTimePad.asp (560 words)

	Graphic one time pad
		When a superimposed logical-or operation is applied to the encrypted image with the original one time pad image, the areas which are exactly in phase are unchanged, while the areas which are exactly out of phase are rendered as completely white (white corresponding to a logical one).
		Areas in which the random dots are exactly in phase with those of the one time pad and the other areas where the random dots are exactly out of phase with the dots of the one time pad.
		The technique involves two black and white images, one a graphic one time pad page and the other a graphic prepared by a simple imaging transformation combining the one time pad page and a graphic containing the message.
	home.rochester.rr.com /jbxroads/interests/sci.crypt/graphic_otp (581 words)

	One Time Pad
		A one time pad is the only currently known unconditionally secure encryption system.
		The pad should be a truly random number, so you would ideally want a radioactive decay card or something to generate the pad.
		This is where the inconvenience comes in, you must somehow trade pads with your intendend recipient securely, this means meeting in person or using a trusted courier.
	www.cypherspace.org /adam/rsa/otp.html (544 words)

	One-Time Pad Generator
		The one-time pad generator program is rather large and complicated, and downloading it to your browser takes longer than would be required for a Java applet or to transfer a one-time pad generated by a CGI program on the Web server.
		The sole reason for the existence of one-time pads is to provide a source of information known only to people to whom they have been distributed in a secure manner.
		The seed is a 31-bit number which can be derived from the date and time at which the one-time pad was requested, or from a user-defined seed value.
	www.fourmilab.ch /onetime/otpjs.html (1906 words)

	ONE-TIME PAD CRYPTOGRAPHY
		The key stream for a one-time pad must be a true-random stream, meaning that every key byte can take any of the values 0 to 255 with equal likelihood, and independently of the values of all other key bytes.
		The term "one-time pad" refers to any method of encryption where each byte of the plaintext is enciphered using one byte of the key stream, and each key byte is used one time then never used again.
		They could communicate using a one-time pad, as above, provided that they could obtain a sufficient supply of key stream bytes, or that they could resupply themselves with key bytes at a rate fast enough to prevent ever running out.
	www.contestcen.com /crypt005.htm (2197 words)

	One Time Pad (OTP) encryption
		The One Time Pad, or OTP, is often described as the only provably secure method for encrypting information.
		Done right this can be almost as secure as a purely random key stream and at the same time do away with a large part of the key distribution and storage problem.
		To do encryption and decryption, I have found that making up a pair of substitution tables ahead of time is the easiest (you could also make the table or tables as the need arises, but be warned that without a computer and appropriate software, it will take a while).
	www.alpharubicon.com /elect/otptoboe.htm (1298 words)

	Definition: one-time pad
		one-time pad: [A] manual one-time cryptosystem produced in pad form.
		This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 MDT 2002.
	www.its.bldrdoc.gov /projects/devglossary/_one-time_pad.html (27 words)

	Crackproof One Time Pad Encryption Forms - one time pad,unbreakable encryption
		The essence of One Time Pad security is that each worksheet is a unique set (or "pad") of codes that is used only once and then is thoroughly destroyed.
		In other words, the one-time pad cipher is not merely believed to be unbreakable...
		A crackproof encryption system like the one time pad, is the "dead bolt" that can protect your personal and business information against snooping, unauthorized alteration, and theft.
	www.crackproof.com (1454 words)

	One-Time Pad
		A one-time pad is a random sequence of numbers from 0 to 25 that is used to send a message in code.
		With a one-time pad, the third person cannot decode the message because each shift is random.
		This makes a one-time pad more secure than other kinds of codes.
	smyrd.bu.edu /pathways/one-time.html (683 words)

	Solid Programs - LanBuster, Solid Encryption and Truly Random
		This encryption algorithm is well known and has been used for a long time by various intelligence agencies.
		When no mistakes were made it has survived unbroken even when the resources off great world powers have been employed to break it.
	www.solid-programs.com (275 words)

	Top Secret Crypto Gold - A program for encrypting chat sessions, journals, e-mail, and files.
		When creating a True One Time Pad File the output from the random bits bin in passed through the Sha1 Hash Algorithm 20 bytes at a time before writing the random data to disk.
		A True One Time Pad File can be any length from 1 megabyte to 10, 20, or more, gigabytes.
		Each byte in the message or file is encrypted against one byte of random data in the True One Time Pad File.
	www.topsecretcrypto.com (2137 words)

	Love, Execution Style - One-Time Pad (Gleet and Gumma)
		Showcasing the care of DIY music from 10 or 15 years ago, One-Time Pad is an elaborately packaged CDR, coming with a hotel "Do Not Enter" sign instead of a booklet, some sleeping pills, and a warning against taking those sleeping pills, cleverly matching some of the themes of the record.
		Despite this silliness, much of One-Time Pad is morose and angry, dealing with both breakups and loneliness with a forked tongue.
		It's also interesting how listening to the first track on Love, Execution Style's album, One-Time Pad, it is instantly identifiable as being influenced by Merritt.
	www.fakejazz.com /reviews/2004/loveexecutionstyle.shtml (644 words)

	One Time Pad
		One Time Pad - A key for one use
		Notice that the key has to be in the length of the message.
	www.math.tau.ac.il /~shanir/software-protection/lecture1-crypto/tsld004.htm (37 words)

	The One-Time Pad
		Because, for any string S and message M of the same length as M, there is a one-time pad Q, such that M ?Q = S
		Why is the one-time pad unbreakable if used only once?
		Proof: Let Q = M ?S! Why don’t we just use one-time pads all the time?
	www.umcs.maine.edu /~markov/crypto/tsld036.htm (61 words)

	One-Time Pad
		Said hi to Toby Mao since I met him last time at cross country.
		Random guy from Cubefreak introduces himself to me, thinking our little group was a group of leet San Francisco cubers.
		Apparently, Alice did pass her driving test and brought Laura and Erika.
	jyouyang.blogspot.com (1013 words)

	One-time pad - Wikipedia, the free encyclopedia
		These employ a short key that is used to seed a long pseudorandom stream, which is then combined with the message using some such mechanism as those used in one-time pads.
		The classical one-time pad of espionage (which might have required actual pads of minuscule paper, a sharp pencil and the use of some mental arithmetic) can be translated into a software program using data files as input (plaintext) and output (ciphertext) and key material (the required random sequence).
		To minimize the risk of virus infection, a computer used to generate one time pad key material should never be connected to any computer network and preferably should not be used for any other purpose.
	en.wikipedia.org /wiki/One-time_pad (1013 words)

	SPI Plasma Prep Jr.
		ADD 30 SECONDS--Press this pad to add 30 seconds of process time, to add 30 seconds to the process time as it is counting down or for an "instant on" for 30 seconds.
		For example, if the time is 1:30, touch number pads 1, 3 and 0 and "1:30 will appear in the display.
		To set the clock, first touch CLOCK pad, and then enter the time of day.
	www.2spi.com /catalog/manuals/ppjr/ppjr13.html (539 words)

	David Lewis's Counterfactual Arrow of Time
		is lying on the compressed pad up to a height of one meter at a later time t
		be the time of maximum impact of the ball on the pad in the actual world, that is the time at which the pad is maximally compressed. Since the ball will rebound to 90% of its original height, the compressed pad at t
		after the time when we want A to happen, we will not find anywhere where a comparable small miracle could be placed from which one could backtrack (using backwards determinism) to get A.
	www.georgetown.edu /faculty/ap85/papers/LewisArrow.html (5998 words)

	Mouse Touch Pad
		Save time & money every time you shop online: DealTime is a free comparison-shopping service that helps you find the web's best prices on links to everything from computers & electronics to jewelry, toys & more.
		Save time & money every time you shop online: DealTime is a free comparison-shopping service that helps you find the Web's best prices on links to everything from computers & electronics to jewelry, toys & more.
		Check out thes similar words mouse touch pad.
	www.24fun.org /mouse-touch-pad.html (5998 words)

	Alberto Ricci Bitti - RF pad
		RF pad is written in GNU C. The good news is that this is is an excellent free compiler, ANSI compliant, with legendary portability between many platforms.
		Perfect as a remote replacement for access control and for switching on/off burglar alarms, it emits an RF code every time you digit the correct combination on its keyboard.
		The bad news is that it is difficult to set up and master at first time (this may be due to the fact it is developed by very clever people).
	www.geocities.com /CapeCanaveral/Launchpad/3632/rf_pad.htm (1097 words)

	Spaceflight Now \| STS-98 Mission Report \| Atlantis hauled to launch pad
		The preferred launch time within that window, that is, the moment Earth's rotation carries pad 39A into the plane of the space station's orbit, is 2:10:42 a.m.
		This time, the five-and-a-half-hour trip proceeded smoothly and Atlantis's mobile launch platform was lowered onto its massive launch pad support jacks shortly after reaching the pad at 3:45 p.m.
		The space shuttle Atlantis was hauled to launch pad 39A today for work to ready the ship for launch January 19 on a critical mission to attach the $1.4 billion U.S. laboratory module, Destiny, to the international space station.
	spaceflightnow.com /station/stage5a/010103rollout (565 words)

	Klexus Search Engine: 6043b touch pad dimmer (10)
		Stitch Thru Time handcrafts Heating pads, microwave heating pads, Also used as a cold pack, heating corn bag last for years,...
		HotMat - Free Mouse Pad - Free Mouse Mat - Pu...
		Click here to find what you are looking for the first time every time!
	www.klexus.com /6043b_touch_pad_dimmer (565 words)

	Korg Kaoss Pad
		The Kaoss Pad Dynamic Controller is a performance oriented real-time effects controller.
		The pad is setup in an X-Y coordinate system whereby you press your finger (or any other body parts) on a pressure sensitive surface and move in vertical or horizontal directions.
		Furthermore, the Kaoss Pad can be tapped or scratched to control effects.
	www.barryrudolph.com /newtoys/toys/korgkaoss.html (257 words)

	:: JoeC Crash Pad ::
		From time to time, they will be mentioned and they are indirect contributors to Crash Pad posts.
		Welcome to the car mad, gadget loving, dog petting, techie crazed, cat bathing, movie pundit, part time test driver, top gear fan boy, tree hugging, humor loving, spring cleaning, manga reading, tax paying, download madhat, baby sitting, football watching, shower singing, broadband surfer and sushi munching rave site.
	cameldmz.blogspot.com (791 words)

	Why Are One-Time Pads Perfectly Secure?
		One-time pads that use CSPRNGs are open to attacks which attempt to compute part or all of the key.
		With a one-time pad, there are as many bits in the key as in the plaintext.
		The key for a one-time pad cipher is a string of random bits, usually generated by a cryptographically strong pseudo-random number generator (CSPRNG).
	world.std.com /~franl/crypto/one-time-pad.html (791 words)

	Review Pad: The Guide to Ultra-Living by Matt Maranian
		Profiles of the owners, designers and the pads themselves give us an idea of just what goes on inside the head of someone who has decided to throw caution and taste to the wind.
		) and a section devoted to that "Problem Pad." Though judging by some of these places, problems -- with a capital "P" -- are sticking around big time.
		You gotta know that in a bedroom with Santa Fe bed spreads and walls festooned with automobile hubcaps, a night of slumber may be fitful, and that a bathroom painted with fluorescent acrylic paint, decorated with images from a Robert Crumb hallucination and lit with black light tubes would likely dissuade regularity.
	www.januarymagazine.com /artcult/pad.html (839 words)

	Pilot Attached Drogue
		The PAD chute is a small, simple drogue chute designed to be reliable and effective when deployed from a hang glider pilot's harness.
		The only flight failure I have experienced with the conventional PAD was a brief deflation due to twisted lines, preumably due to a careless repack.
		The drogue can be attached to the harness anywhere in the center back of the harness, but the easiest setup is to attach one end of chute bridle (the Fastex Clip) to the lower end of the main harness suspension webbing where it meets the main body of the harness, or thereabouts.
	home.att.net /~m--sandlin/pad.htm (2038 words)

	onetimepad.txt
		A message encrypted using a one-time pad cannot be broken because the encryption key is a random number and because the key is used only once.
		Intelligence agencies routinely use many different kinds of encryption systems - ranging from mechanical devices to invisible inks to computer software - but for mission critical messages that must be 100% secure they always use a one-time pad.
		Random keys were written on sheets of paper that were glued together to form a pad.
	members.rushmore.com /~finalhope/works/onetimepad.txt (2038 words)

	City of Cedar Rapids: Press Releases
		The Parks Department received Community Development Block Grant funds to assist with the cost to build the Daniels and Time Check Parks splash pads.
		Construction was completed on splash pads at Daniels Park and Time Check Park this spring.
		These two new splash pads, and the Cleveland Park splash pad that opened in August of 2001, are open from 10:00 AM - 7:00 PM daily, throughout the summer.
	www.cedar-rapids.org /pressrel/splashpads_06-05-02.asp (2038 words)

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In the News (Tue 1 Dec 09)