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<a href="Crypto-module.html">Package Crypto</a> ::
<a href="Crypto.Hash-module.html">Package Hash</a> ::
Module MD5
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<!-- ==================== MODULE DESCRIPTION ==================== -->
<h1 class="epydoc">Module MD5</h1><p class="nomargin-top"></p>
<p>MD5 cryptographic hash algorithm.</p>
<p>MD5 is specified in <a class="rst-reference external" href="http://tools.ietf.org/html/rfc1321" target="_top">RFC1321</a> and produces the 128 bit digest of a message.</p>
<blockquote>
<pre class="py-doctest">
<span class="py-prompt">>>> </span><span class="py-keyword">from</span> Crypto.Hash <span class="py-keyword">import</span> MD5
<span class="py-prompt">>>></span>
<span class="py-prompt">>>> </span>h = MD5.new()
<span class="py-prompt">>>> </span>h.update(b<span class="py-string">'Hello'</span>)
<span class="py-prompt">>>> </span><span class="py-keyword">print</span> h.hexdigest()</pre>
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<p>MD5 stand for Message Digest version 5, and it was invented by Rivest in 1991.</p>
<p>This algorithm is insecure. Do not use it for new designs.</p>
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<span class="summary-type"> </span>
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<a href="Crypto.Hash.MD5.MD5Hash-class.html" class="summary-name">MD5Hash</a><br />
Class that implements an MD5 hash
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<td><span class="summary-sig"><a href="Crypto.Hash.MD5-module.html#new" class="summary-sig-name">new</a>(<span class="summary-sig-arg">data</span>=<span class="summary-sig-default">None</span>)</span><br />
Return a fresh instance of the hash object.</td>
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<a name="digest_size"></a><span class="summary-name">digest_size</span> = <code title="16">16</code><br />
The size of the resulting hash in bytes.
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<h3 class="epydoc"><span class="sig"><span class="sig-name">new</span>(<span class="sig-arg">data</span>=<span class="sig-default">None</span>)</span>
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Return a fresh instance of the hash object.
<dl class="fields">
<dt>Parameters:</dt>
<dd><ul class="nomargin-top">
<li><strong class="pname"><code>data</code></strong> (byte string) - The very first chunk of the message to hash.
It is equivalent to an early call to <a href="Crypto.Hash.hashalgo.HashAlgo-class.html#update" class="link">MD5Hash.update()</a>.
Optional.</li>
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<dt>Returns:</dt>
<dd>A <a href="Crypto.Hash.MD5.MD5Hash-class.html" class="link">MD5Hash</a> object</dd>
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