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   <div id="projectname">Fat-Free Framework
   &#160;<span id="projectnumber">3.2.2</span>
   &#160;<span class="menu"><a href="index.html">Overview</a> <a href="annotated.html">Class List</a> <a href="hierarchy.html">Hierarchy</a></span>
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<a href="#pub-methods">Public Member Functions</a> &#124;
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<p>Lightweight password hashing library.  
 <a href="classBcrypt.html#details">More...</a></p>
<div id="dynsection-0" onclick="return toggleVisibility(this)" class="dynheader closed" style="cursor:pointer;">
  <img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for Bcrypt:</div>
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  <img src="classBcrypt.png" usemap="#Bcrypt_map" alt=""/>
  <map id="Bcrypt_map" name="Bcrypt_map">
<area href="classPrefab.html" title="Factory class for single-instance objects. " alt="Prefab" shape="rect" coords="0,0,50,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:adfde3babee4bf0fce0c2e161204a9779"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBcrypt.html#adfde3babee4bf0fce0c2e161204a9779">hash</a> ($pw, $salt=NULL, $cost=self::COST)</td></tr>
<tr class="separator:adfde3babee4bf0fce0c2e161204a9779"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6af12217cde70314d70c26b461a9345c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBcrypt.html#a6af12217cde70314d70c26b461a9345c">needs_rehash</a> ($<a class="el" href="classBcrypt.html#adfde3babee4bf0fce0c2e161204a9779">hash</a>, $cost=self::COST)</td></tr>
<tr class="separator:a6af12217cde70314d70c26b461a9345c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a0127bb982943f4e07cd6ea5c068307d7"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBcrypt.html#a0127bb982943f4e07cd6ea5c068307d7">verify</a> ($pw, $<a class="el" href="classBcrypt.html#adfde3babee4bf0fce0c2e161204a9779">hash</a>)</td></tr>
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Public Attributes</h2></td></tr>
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const&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classBcrypt.html#a1585e7ecdf377dbd67387363da582b47">COST</a> =10</td></tr>
<tr class="memdesc:a1585e7ecdf377dbd67387363da582b47"><td class="mdescLeft">&#160;</td><td class="mdescRight">Default cost. <br/></td></tr>
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const&#160;</td><td class="memItemRight" valign="bottom"><b>E_CostArg</b> ='Invalid cost parameter'</td></tr>
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const&#160;</td><td class="memItemRight" valign="bottom"><b>E_SaltArg</b> ='Salt must be at least 22 alphanumeric characters'</td></tr>
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Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_static_methods_classPrefab"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classPrefab')"><img src="closed.png" alt="-"/>&#160;Static Public Member Functions inherited from <a class="el" href="classPrefab.html">Prefab</a></td></tr>
<tr class="memitem:a459ac539bc012dbdb77abe0d0ebeba76 inherit pub_static_methods_classPrefab"><td class="memItemLeft" align="right" valign="top">static&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classPrefab.html#a459ac539bc012dbdb77abe0d0ebeba76">instance</a> ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Lightweight password hashing library. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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          <td class="memname">Bcrypt::hash </td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$pw</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$salt</em> = <code>NULL</code>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$cost</em> = <code>self::COST</code>&#160;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Generate bcrypt hash of string </p>
<dl class="section return"><dt>Returns</dt><dd>string|FALSE </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">$pw</td><td>string </td></tr>
    <tr><td class="paramname">$salt</td><td>string </td></tr>
    <tr><td class="paramname">$cost</td><td>int </td></tr>
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  </dd>
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          <td class="memname">Bcrypt::needs_rehash </td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$hash</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$cost</em> = <code>self::COST</code>&#160;</td>
        </tr>
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          <td></td>
          <td>)</td>
          <td></td><td></td>
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<p>Check if password is still strong enough </p>
<dl class="section return"><dt>Returns</dt><dd>bool </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">$hash</td><td>string </td></tr>
    <tr><td class="paramname">$cost</td><td>int </td></tr>
  </table>
  </dd>
</dl>

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          <td class="memname">Bcrypt::verify </td>
          <td>(</td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$pw</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">&#160;</td>
          <td class="paramname"><em>$hash</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
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<p>Verify password against hash using timing attack resistant approach </p>
<dl class="section return"><dt>Returns</dt><dd>bool </dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">$pw</td><td>string </td></tr>
    <tr><td class="paramname">$hash</td><td>string </td></tr>
  </table>
  </dd>
</dl>

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<hr/>The documentation for this class was generated from the following file:<ul>
<li>bcrypt.php</li>
</ul>
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