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<p>Last revised: October 28, 2020</p>
<section id="pbkdf2-module">
<span id="pbkdf2"></span><h1>PBKDF2 Module<a class="headerlink" href="#pbkdf2-module" title="Link to this heading">¶</a></h1>
<blockquote>
<div><p>Eggdrop encrypts its userfile, so users can have secure passwords.
Eggdrop will not start without an encryption module.</p>
<p>As of Eggdrop 1.9.0, a new encryption module was added, the PBKDF2 module.
The PBKDF2 module was designed to work with the previous encryption module
(blowfish) to make the transition easier. If this is a new bot, you can
safely load just the PBKDF2 module. If you are transitioning a userfile from
1.8 or earlier, you should load this AND the blowfish module. By doing so,
Eggdrop will seamlessly update the old blowfish hashes to the new PBKDF2
hashes once a user logs in for the first time, and allow you to (eventually)
remove the blowfish module altogether.</p>
<p>Outside of the specific case noted above, please note that if you change your
encryption method later (i.e. using other modules like a rijndael module), you
can’t use your current userfile anymore.</p>
<dl class="simple">
<dt>Put this line into your Eggdrop configuration file to load the server module::</dt><dd><p>loadmodule pbkdf2</p>
</dd>
</dl>
</div></blockquote>
<p>There are also some variables you can set in your config file:</p>
<blockquote>
<div><dl class="simple">
<dt>set pbkdf2-method “SHA256”</dt><dd><p>Cryptographic hash function used. Use <code class="docutils literal notranslate"><span class="pre">openssl</span> <span class="pre">list</span> <span class="pre">-digest-algorithms</span></code> to view all available options</p>
</dd>
<dt>set pbkdf2-rounds 1600</dt><dd><p>Number of rounds. The higher the number, the longer hashing takes; but also generally the higher the protection against brute force attacks.</p>
</dd>
</dl>
<p>This module requires: none</p>
<p>Copyright (C) 2000 - 2025 Eggheads Development Team</p>
</div></blockquote>
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