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Topic: ROT13

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	ROT13
		rot13 /rot ther'teen/ /n.,v./ [Usenet: from `rotate alphabet 13 places'] The simple Caesar-cypher encryption that replaces each English letter with the one 13 places forward or back along the alphabet, so that "The butler did it!" becomes "Gur ohgyre qvq vg!" Most Usenet news reading and posting programs include a rot13 feature.
		The purpose of this page is to collect and display various ROT13 implementations, in as wide a variety of languages as possible.
		If you have written ROT13 in one of these languages, or any other language not already listed (or if you have an interesting variant for an already existing language), please, feel free to email it to me at jkominek-rot13
	www.miranda.org /~jkominek/rot13 (465 words)

	Worlds Shortest C Implementation of Rot13
		Rot13 is a simple "encryption" algorithm designed to make text illegible, but very easily "decrypted".
		Rot13 simply adds 13 to the value of each character, and wraps around back to "A" when it gets to "Z".
		A friend, J Greely, made a passing comment once that he had seen a very small C implementation of rot13, on the order of 120 characters, so I smugly replied that I could easily fit rot13 on one (standard terminal) line.
	hea-www.harvard.edu /~fine/Tech/rot13.html (385 words)

	ROT13 - One Language (Site not responding. Last check: )
		ROT13 ("ROTate by 13 places", sometimes hyphenated ROT-13, sometimes lowercase rot13) is a simple Caesar cipher used for obscuring text by replacing each letter with the letter thirteen places down the alphabet.
		ROT13 can be viewed as one of a group of historical encryption algorithms known as Caesar ciphers, a type of substitution cipher.
		The real effect of ROT13 is to make sure that the viewer of a message must consciously choose to decipher it, which typically means invoking the relevant ROT13 command in his or her software.
	www.onelang.com /encyclopedia/index.php/ROT13 (1618 words)

	ROT13
		ROT13 is a self-reversing Caesar cipher popularly used on Usenet and other online forums as a means of masking joke punchlines, movie and story spoilers, and offensive expressions from the casual glance.
		The name "ROT13" stands for "rotate by 13 places," which is a concise description of the cipher algorithm.
		To apply ROT13 to a piece of text, shift every English letter in it by 13 places down the alphabet, wrapping back to the beginning if necessary: 'A' becomes 'N', 'B' becomes 'O', and so forth, down to 'Z' becoming 'M'.
	www.ebroadcast.com.au /lookup/encyclopedia/ro/ROT-13.html (204 words)

	ROT13 - Wikipedia, the free encyclopedia
		ROT13 ("rotate by 13 places", usually hyphenated ROT-13) is a simple Caesar cipher used for obscuring text by replacing each letter with the letter thirteen places down the alphabet.
		ROT13 is one of a set of encryption algorithms known as Caesar ciphers, which are themselves a particularly simple type of substitution cipher.
		ROT13 is not intended to be used where secrecy is of any concern—the use of a constant shift means that the encryption effectively has no key, and decryption requires no more knowledge than the fact that ROT13 is in use.
	en.wikipedia.org /wiki/ROT13 (1560 words)

	rot13 - definition by dict.die.net (Site not responding. Last check: )
		rot13 /rot ther'teen/ [Usenet: from "rotate alphabet 13 places"], v.
		A major advantage of rot13 over rot(N) for other N is that it is self-inverse, so the same code can be used for encoding and decoding.
		It is used to enclose the text in a sealed wrapper that the reader must choose to open -- e.g., for posting things that might offend some readers, or spoilers.
	dict.die.net /rot13 (234 words)

	ROT13 encoder/decoder - Esolang
		ROT13 is a simple Caesar cipher that is its own inverse.
		It has no serious use in cryptography, but it's a popular problem and a simple way to hide messages that are meant for others to read at their own discretion (for example, puzzle solutions and plot spoilers).
		The name "ROT13" comes from this behaviour: each letter is being rotated half-way around the Roman alphabet, that is, 13 positions.
	esoteric.voxelperfect.net /wiki/ROT13 (218 words)

	ROT13 Encoding with ASP
		ROT13 is a commonly used method for encoding a text string so that it cannot be easily read.
		ROT13 uses a simple encoding process; the alphabet is rotated 13 characters, so that "a" becomes "n", "z" becomes "m", "N" becomes "Y" and so on...
		ROT13 originated on USENET, so if you have added USENET support to your ASP powered website then it is a particularly useful feature to build into the site.
	www.brettb.com /rot13_encoding_with_asp.asp (754 words)

	ROT13
		ROT13 encoded / decoded text appears here as you type:
		It is used to enclose the text in a sealed wrapper that the reader must choose to open -- e.g., for posting things that might offend some readers, or spoilers.
		A major advantage of rot13 over rot(N) for other N is that it is self-inverse, so the same code can be used for encoding and decoding.
	www.degraeve.com /rot13.php (272 words)

	Meatball Wiki: RotThirteen (Site not responding. Last check: )
		Do this to a body of text, and it is called rot13.
		rot13 it again and it returns to normal.
		The fundamental concept of considering the alphabet to be a number system comprised of 26 characters has some interesting facets.
	www.usemod.com /cgi-bin/mb.pl?RotThirteen (473 words)

	Info Node: (emacs)Rmail Rot13 (Site not responding. Last check: )
		Reading Rot13 Messages ====================== Mailing list messages that might offend some readers are sometimes encoded in a simple code called "rot13"--so named because it rotates the alphabet by 13 letters.
		This code is not for secrecy, as it provides none; rather, it enables those who might be offended to avoid ever seeing the real text of the message.
		To view a buffer using the rot13 code, use the command `M-x rot13-other-window'.
	www.cs.vassar.edu /cgi-bin/info2www?(emacs)Rmail+Rot13 (87 words)

	Rot13 Encoder/Decoder :: MarkTAW.com
		ROT13, or Rotation 13 is a simple form of encryption often used online when you're about to reveal movie or video game spoilers and don't want someone to casually see what you've written.
		The people who monitor your e-mail, instant messgener conversations, etc. aren't expecting you to be using ROT13, so any keywords that normally get flagged won't raise a flag, and the conversation will look like gibberish to them.
		Even if they're aware of ROT13, you'll be in the minority by using it, and they likely won't go through the trouble to decrypt your messages.
	www.marktaw.com /technology/Rot13EncoderDecoder.html (211 words)

	Vol 2 #42 Obscure data with the Rot13 Cipher
		Rot13 happens to be used in the Windows registry and in many web cookies because it's simple to implement, pretty fast, and obscures the contents of the data from simple examination.
		Rot13 is on the weak, "fool your kid sister" end of the spectrum but it's better than nothing, unless you let your self be mislead into thinking that your data is well protected.
		This is converted by the Rot13 function to the cipher-text, the encrypted version of plain-text.
	www.novicksoftware.com /UDFofWeek/Vol2/T-SQL-UDF-Vol-2-Num-42-ufn_Rot13.htm (612 words)

	ROT13 @ http://www.rot13.de/ (Site not responding. Last check: )
		Zusätzlich zu ROT13 bei Buchstaben wird gelegentlich eine ROT5-Verschiebung bei Ziffern vorgenommen, was bedeutet, dass alle Ziffern des Textes jeweils um 5 Positionen verschoben werden.
		ROT13 (Caesar-Cipher by 13 chars) is a cipher commonly used in Usenet postings.
		In addition to ROT13, ROT5 is sometimes used to encrypt digits, which means that every digit is rotated by 5.
	www.rot13.de /??? (220 words)

	ROT13 Encoder/Decoder (Site not responding. Last check: )
		ROT13 is a common character translation code which simply changes alphabetical characters from the original letter while leaving non-alpha characters untouched.
		The original character is changed to the letter 13 characters down the alphabet from it, eg 'b' -> 'o'.
		ROT13 decoders are available in some email and newsgroup readers (normally as an option in the menu).
	www.guru.net.nz /tech_supp/rot13 (150 words)

	ROT13 for HP41CX
		The central idea in ROT13 is that the text should be encrypted OR decrypted by using the same algorithm, i.e., adding 13.
		It's called ROT13 because all the letters are rotated 13 positions for encrypting, and another 13 for decrypting.
		ROT13 was designed with a 26-letter alphabet in mind -- the alphabet used in the English language.
	www.hpmuseum.org /cgi-sys/cgiwrap/hpmuseum/archv009.cgi?read=24278 (650 words)

	Cipher1 Readme
		"ROT13 is a simple encryption program commonly found on UNIX systems; it is also a simple substitution cipher.
		"ROT13 is not intended for security; it is often used in Usenet posts to hide potentially offensive text, to avoid giving away the solution to a puzzle, and so forth.
		Like ROT13, the Encipher/Decipher combo in this program is trivial for an experienced cryptographer to break, given only a very small number of characters of ciphertext.
	www.fortunecity.com /tatooine/blish/137/readme.html (1549 words)

	Dobrica Pavlinusic's home page: rot13
		Most regullary updated are my blog and than news on my home page.
		See also spoiler space, which has partly displaced rot13 since non-Unix-based newsreaders became common.
		This implementation is done in JavaScript by Henry Penninkilampi (rot13 email: urael@craavaxvynzcv.arg)
	www.rot13.org (164 words)

	PHP: str_rot13 - Manual
		This function performs the ROT13 encoding on the
		The ROT13 encoding simply shifts every letter by 13 places in the alphabet while leaving non-alpha characters untouched.
		Encoding and decoding are done by the same function, passing an encoded string as argument will return the original version.
	www.phpbuilder.com /manual/function.str-rot13.php (91 words)

	SRHuston Dot Net » Blog Archive » Fun With ROT13
		ROT13, for those that don’t know, is a “simple cypher”.
		The idea is that you write all 26 characters of the alphabet, and then just below each character you write the character that is 13 places away from it.
		Now, when you want to translate from normal text to ROT13, read the letter on the top, and write down the letter on the bottom.
	www.srhuston.net /?p=100 (552 words)

	Rot13!?? - O'Reilly Mac DevCenter Blog
		Well, Rot13 is used for simple obscuration on sites for things like television show spoilers, movie spoilers, etc. It's easy to decipher for those who want to know, but easy for people to ignore who don't want to know.
		Especially when you consider all the users who would get very confused by the Rot13 text and then go complain to the establishment about broken iPods or--worse!--try banging the little rascals to fix that funny-looking text.
		Yeah, there is no way to un-rot13 on the iPod...but the point is you rot13 it before to protect your data on some very small level and then the iPod undoes it for you.
	www.oreillynet.com /mac/blog/2006/11/rot13.html (717 words)

	JustLinux Forums - Rot13 in Python
		Is there any easy way to change a character (Rot13 style, so the letter 'a' becomes the 13th char of the alphabet and the 13th char becomes the 'a', etc) in Python?
		Many other programming languages let you just add/subtract 13 to a char to change it, but Python allways concatenates and doesn't seem to allow any operations to be done on strings (yes I know that they're immutable).
		ROT13 is not supposed to change non-letter characters, IIRC.
	www.justlinux.com /forum/showthread.php?p=814718 (434 words)

	ROT13 Class (Site not responding. Last check: )
		In 50 Bc., one of the most simple cryptographic algorithms ever used was the one called the ROT13 cipher, that was used by Julius ROT13 to send messages to his generals.
		It consisted simply of switching each letter with the letter that was 3 letters further down the alphabet.
		This algorithm was later improved and called ROT13, where the letters could be shifted to any number between 1 and 25, and the number of letters shifted was the secret key.
	www.littlelite.net /llcryptolib/docs/LLCryptoLib.Crypto.ROT13.html (141 words)

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