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<html xmlns="http://www.w3.org/1999/xhtml"><head><title>dead beef attack</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="../D.html" title="D"/><link rel="previous" href="dead.html" title="dead"/><link rel="next" href="dead-code.html" title="dead code"/></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">dead beef attack</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="dead.html">Prev</a><EFBFBD></td><th width="60%" align="center">D</th><td width="20%" align="right"><EFBFBD><a accesskey="n" href="dead-code.html">Next</a></td></tr></table><hr/></div><dt><a id="dead-beef-attack"/><dt xmlns="" id="dead-beef-attack"><b>dead beef attack</b>: <span xmlns="http://www.w3.org/1999/xhtml" class="grammar">n.</span></dt></dt><dd><p> [cypherpunks list, 1996] An attack on a public-key cryptosystem
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consisting of publishing a key having the same ID as another key (thus
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making it possible to spoof a user's identity if recipients aren't careful
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about verifying keys). In PGP and GPG the key ID is the last eight hex
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digits of (for RSA keys) the product of two primes. The attack was
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demonstrated by creating a key whose ID was 0xdeadbeef (see
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<a href="DEADBEEF.html"><i class="glossterm">DEADBEEF</i></a>).</p></dd><div class="navfooter"><hr/><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="dead.html">Prev</a><EFBFBD></td><td width="20%" align="center"><a accesskey="u" href="../D.html">Up</a></td><td width="40%" align="right"><EFBFBD><a accesskey="n" href="dead-code.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">dead<EFBFBD></td><td width="20%" align="center"><a accesskey="h" href="../index.html">Home</a></td><td width="40%" align="right" valign="top"><EFBFBD>dead code</td></tr></table></div></body></html>
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