1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>crypto_has_cipher</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux Kernel Crypto API"><link rel="up" href="ch05s08.html" title="Single Block Cipher API"><link rel="prev" href="API-crypto-free-cipher.html" title="crypto_free_cipher"><link rel="next" href="API-crypto-cipher-blocksize.html" title="crypto_cipher_blocksize"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">crypto_has_cipher</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-crypto-free-cipher.html">Prev</a>&#160;</td><th width="60%" align="center">Single Block Cipher API</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-crypto-cipher-blocksize.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-crypto-has-cipher"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>crypto_has_cipher &#8212; 
2  Search for the availability of a single block cipher
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">crypto_has_cipher </b>(</code></td><td>const char * <var class="pdparam">alg_name</var>, </td></tr><tr><td>&#160;</td><td>u32 <var class="pdparam">type</var>, </td></tr><tr><td>&#160;</td><td>u32 <var class="pdparam">mask</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1097917676"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>alg_name</code></em></span></dt><dd><p>
4     is the cra_name / name or cra_driver_name / driver name of the
5     single block cipher
6    </p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>
7     specifies the type of the cipher
8    </p></dd><dt><span class="term"><em class="parameter"><code>mask</code></em></span></dt><dd><p>
9     specifies the mask for the cipher
10    </p></dd></dl></div></div><div class="refsect1"><a name="idp1097921316"></a><h2>Return</h2><p>
11   true when the single block cipher is known to the kernel crypto API;
12   false otherwise
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