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<h1 class="title">Introduction</h1>
<p class="para">
These functions are intended to work with <a href="http://mhash.sourceforge.net/" class="link external">» mhash</a>. Mhash can be used to create checksums,
message digests, message authentication codes, and more.
</p>
<p class="para">
This is an interface to the mhash library. Mhash supports a wide
variety of hash algorithms such as MD5, SHA1, GOST, and many
others. For a complete list of supported hashes, refer to the
<a href="mhash.constants.html" class="link">constants page</a>. The general rule is that you can access
the hash algorithm from PHP with <strong><code>MHASH_hashname</code></strong>. For example, to
access TIGER you use the PHP constant <strong><code>MHASH_TIGER</code></strong>.
</p>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
This extension is obsoleted by <a href="book.hash.html" class="link">Hash</a>.
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