14 lines
2.6 KiB
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14 lines
2.6 KiB
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<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>
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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>rot13</title><link rel="stylesheet" href="../../jargon.css" type="text/css"/><meta name="generator" content="DocBook XSL Stylesheets V1.61.0"/><link rel="home" href="../index.html" title="The Jargon File"/><link rel="up" href="../R.html" title="R"/><link rel="previous" href="rootkit.html" title="rootkit"/><link rel="next" href="rotary-debugger.html" title="rotary debugger"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">rot13</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="rootkit.html">Prev</a><EFBFBD></td><th width="60%" align="center">R</th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="rotary-debugger.html">Next</a></td></tr></table><hr/></div><dt><a id="rot13"/><dt xmlns="" id="rot13"><b>rot13</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="pronunciation">/rot ther<65>teen/</span>, <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">n.,v.</span></dt></dt><dd><p> [Usenet: from ‘rotate alphabet 13 places’] The simple
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Caesar-cypher encryption that replaces each English letter with the one 13
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places forward or back along the alphabet, so that “<span class="quote">The butler did
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it!</span>” becomes “<span class="quote">Gur ohgyre qvq vg!</span>” Most Usenet news
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reading and posting programs include a rot13 feature. It is used to
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enclose the text in a sealed wrapper that the reader must choose to open
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— e.g., for posting things that might offend some readers, or
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<a href="../S/spoiler.html"><i class="glossterm">spoiler</i></a>s. A major advantage of rot13 over
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rot(<tt class="literal">N</tt>) for other <tt class="literal">N</tt> is that it is
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self-inverse, so the same code can be used for encoding and decoding. See
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also <a href="../S/spoiler-space.html"><i class="glossterm">spoiler space</i></a>, which has partly displaced rot13
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since non-Unix-based newsreaders became common.</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="rootkit.html">Prev</a><EFBFBD></td><td width="20%" align="center"><a accesskey="u" href="../R.html">Up</a></td><td width="40%" align="right"><EFBFBD><a accesskey="n" href="rotary-debugger.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">rootkit<EFBFBD></td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"><EFBFBD>rotary debugger</td></tr></table></div></body></html>
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