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<title>Random123-1.09: r123::ARS1xm128i_R< ROUNDS > Class Template Reference</title>
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<div class="tabs"><ul class="tablist"><li style="padding-left: 1.5em; font-weight: bold">Random123-1.09 Documentation</li></ul></div>
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<li><a class="el" href="namespacer123.html">r123</a> </li>
<li><a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R< ROUNDS ></a> </li>
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<h1>r123::ARS1xm128i_R< ROUNDS > Class Template Reference<br/>
<small>
[<a class="el" href="group__AESNI.html">ARS and AESNI Classes and Typedefs</a>]</small>
</h1> </div>
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<!-- doxytag: class="r123::ARS1xm128i_R" -->
<p><code>#include <<a class="el" href="ars_8h_source.html">Random123/ars.h</a>></code></p>
<p><a href="classr123_1_1ARS1xm128i__R-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_ctr_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1ARS1xm128i__R.html#a13a62c94f63054828c6960979f42a268">ctr_type</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_key_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1ARS1xm128i__R.html#a8454d6de92379d9a6551d11828fbebc3">key_type</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_key_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1ARS1xm128i__R.html#ab26c7029e347e6b1e17dad795e462aeb">ukey_type</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structr123array1xm128i.html">ctr_type</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1ARS1xm128i__R.html#a89c0fc4e1c90ee684fc88dde05d8d82c">operator()</a> (<a class="el" href="structr123array1xm128i.html">ctr_type</a> ctr, <a class="el" href="structr123array1xm128i.html">key_type</a> key) const </td></tr>
<tr><td colspan="2"><h2><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static const unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structr123_1_1ARS1xm128i__R.html#abe167a93280140e424d722c1ac47a8e9">rounds</a> = ROUNDS</td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<unsigned int ROUNDS><br/>
class r123::ARS1xm128i_R< ROUNDS ></h3>
<p><a class="el" href="structr123_1_1ARS1xm128i__R.html">ARS1xm128i_R</a> exports the member functions, typedefs and operator overloads required by a <a class="el" href="CBRNG.html">Counter Based RNGs (CBRNGs).</a> class.</p>
<p>ARS1xm128i uses the crypotgraphic AES round function, but a <b>non-cryptographc</b> key schedule to save time and space.</p>
<p>ARS1xm128i is only available when the feature-test macro R123_USE_AES_NI is true, which should occur only when the compiler is configured to generate AES-NI instructions (or when defaults are overridden by compile-time, compiler-command-line options).</p>
<p>The template argument, ROUNDS, is the number of times the ARS round functions will be applied.</p>
<p>As of September 2011, the authors know of no statistical flaws with ROUNDS=5 or more.</p>
<p>ARS1xm128i is equivalent to ARS1xm128i_R<7>. With 7 rounds, the ARS1xm128i CBRNG has a considerable safety margin over the minimum number of rounds with no known statistical flaws, but still has excellent performance. </p>
<hr/><h2>Member Typedef Documentation</h2>
<a class="anchor" id="a13a62c94f63054828c6960979f42a268"></a><!-- doxytag: member="r123::ARS1xm128i_R::ctr_type" ref="a13a62c94f63054828c6960979f42a268" args="" -->
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<div class="memtemplate">
template<unsigned int ROUNDS> </div>
<table class="memname">
<tr>
<td class="memname">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_ctr_t</a> <a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R</a>< ROUNDS >::<a class="el" href="structr123array1xm128i.html">ctr_type</a></td>
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<a class="anchor" id="a8454d6de92379d9a6551d11828fbebc3"></a><!-- doxytag: member="r123::ARS1xm128i_R::key_type" ref="a8454d6de92379d9a6551d11828fbebc3" args="" -->
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<div class="memtemplate">
template<unsigned int ROUNDS> </div>
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<td class="memname">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_key_t</a> <a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R</a>< ROUNDS >::<a class="el" href="structr123array1xm128i.html">key_type</a></td>
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</div>
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<a class="anchor" id="ab26c7029e347e6b1e17dad795e462aeb"></a><!-- doxytag: member="r123::ARS1xm128i_R::ukey_type" ref="ab26c7029e347e6b1e17dad795e462aeb" args="" -->
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<div class="memtemplate">
template<unsigned int ROUNDS> </div>
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<td class="memname">typedef <a class="el" href="structr123array1xm128i.html">ars1xm128i_key_t</a> <a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R</a>< ROUNDS >::<a class="el" href="structr123array1xm128i.html">ukey_type</a></td>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a89c0fc4e1c90ee684fc88dde05d8d82c"></a><!-- doxytag: member="r123::ARS1xm128i_R::operator()" ref="a89c0fc4e1c90ee684fc88dde05d8d82c" args="(ctr_type ctr, key_type key) const " -->
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<div class="memproto">
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template<unsigned int ROUNDS> </div>
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<td class="memname"><a class="el" href="structr123array1xm128i.html">ctr_type</a> <a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R</a>< ROUNDS >::operator() </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structr123array1xm128i.html">ctr_type</a> </td>
<td class="paramname"> <em>ctr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structr123array1xm128i.html">key_type</a> </td>
<td class="paramname"> <em>key</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [inline]</code></td>
</tr>
</table>
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</div>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="abe167a93280140e424d722c1ac47a8e9"></a><!-- doxytag: member="r123::ARS1xm128i_R::rounds" ref="abe167a93280140e424d722c1ac47a8e9" args="" -->
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template<unsigned int ROUNDS> </div>
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<tr>
<td class="memname">const unsigned int <a class="el" href="structr123_1_1ARS1xm128i__R.html">r123::ARS1xm128i_R</a>< ROUNDS >::<a class="el" href="structr123_1_1ARS1xm128i__R.html#abe167a93280140e424d722c1ac47a8e9">rounds</a> = ROUNDS<code> [static]</code></td>
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</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li>Random123/<a class="el" href="ars_8h_source.html">ars.h</a></li>
</ul>
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