<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Wt: Wt::Auth::PasswordService::AbstractVerifier Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css" /> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> </head> <body> <div id="top"><!-- do not remove this div! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">Wt  <span id="projectnumber">3.2.3</span> </div> </td> 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class="summary"> <a href="#pub-methods">Public Member Functions</a> </div> <div class="headertitle"> <div class="title">Wt::Auth::PasswordService::AbstractVerifier Class Reference</div> </div> </div> <div class="contents"> <!-- doxytag: class="Wt::Auth::PasswordService::AbstractVerifier" --> <p>Abstract password hash computation and verification class. <a href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier.html#details">More...</a></p> <div class="dynheader"> Inheritance diagram for Wt::Auth::PasswordService::AbstractVerifier:</div> <div class="dyncontent"> <div class="center"><img src="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier__inherit__graph.png" border="0" usemap="#Wt_1_1Auth_1_1PasswordService_1_1AbstractVerifier_inherit__map" alt="Inheritance graph"/></div> <map name="Wt_1_1Auth_1_1PasswordService_1_1AbstractVerifier_inherit__map" id="Wt_1_1Auth_1_1PasswordService_1_1AbstractVerifier_inherit__map"> <area shape="rect" href="classWt_1_1Auth_1_1PasswordVerifier.html" title="Password hash computation and verification class." alt="" coords="55,80,233,107"/></map> <center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> <p><a href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier-members.html">List of all members.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="pub-methods"></a> Public Member Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa98c65ecdefc2448564d9e0c3d8bfdf5"></a><!-- doxytag: member="Wt::Auth::PasswordService::AbstractVerifier::~AbstractVerifier" ref="aa98c65ecdefc2448564d9e0c3d8bfdf5" args="()" --> virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier.html#aa98c65ecdefc2448564d9e0c3d8bfdf5">~AbstractVerifier</a> ()</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier.html#a9991518e71092b356ae4e66fede088c3">needsUpdate</a> (const <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> &hash) const =0</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns whether a password hash needs to be updated (recomputed). <a href="#a9991518e71092b356ae4e66fede088c3"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier.html#a6c0edcfd38d6c4a656ffded44b007023">hashPassword</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &password) const =0</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Computes the password hash for a clear text password. <a href="#a6c0edcfd38d6c4a656ffded44b007023"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classWt_1_1Auth_1_1PasswordService_1_1AbstractVerifier.html#a90b8136ba2c6f77fe420445653f56a6a">verify</a> (const <a class="el" href="classWt_1_1WString.html">WString</a> &password, const <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> &hash) const =0</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Verifies a password against a hash. <a href="#a90b8136ba2c6f77fe420445653f56a6a"></a><br/></td></tr> </table> <hr/><a name="details" id="details"></a><h2>Detailed Description</h2> <div class="textblock"><p>Abstract password hash computation and verification class. </p> <p>This class defines the interface for verifying a passwords against password hashes, or computing a new password hash for a password.</p> <dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classWt_1_1Auth_1_1PasswordService.html#a76933208fb6cbf7218d5acc0b1d5457c" title="Sets a password verifier which computes authorization checks.">setVerifier()</a> </dd></dl> </div><hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a6c0edcfd38d6c4a656ffded44b007023"></a><!-- doxytag: member="Wt::Auth::PasswordService::AbstractVerifier::hashPassword" ref="a6c0edcfd38d6c4a656ffded44b007023" args="(const WString &password) const =0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> Wt::Auth::PasswordService::AbstractVerifier::hashPassword </td> <td>(</td> <td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td> <td class="paramname"><em>password</em></td><td>)</td> <td> const<code> [pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Computes the password hash for a clear text password. </p> <p>This must return a hash that can later be used to verify the user's password, but which avoids compromising the user's password in case of loss. </p> <p>Implemented in <a class="el" href="classWt_1_1Auth_1_1PasswordVerifier.html#a9b559363b853793a8e9a2d9b04425898">Wt::Auth::PasswordVerifier</a>.</p> </div> </div> <a class="anchor" id="a9991518e71092b356ae4e66fede088c3"></a><!-- doxytag: member="Wt::Auth::PasswordService::AbstractVerifier::needsUpdate" ref="a9991518e71092b356ae4e66fede088c3" args="(const PasswordHash &hash) const =0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual bool Wt::Auth::PasswordService::AbstractVerifier::needsUpdate </td> <td>(</td> <td class="paramtype">const <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> & </td> <td class="paramname"><em>hash</em></td><td>)</td> <td> const<code> [pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Returns whether a password hash needs to be updated (recomputed). </p> <p>A <code>hash</code> may need to be updated if it has been computed with a cryptographic method that is being disfavoured. </p> <p>Implemented in <a class="el" href="classWt_1_1Auth_1_1PasswordVerifier.html#a4343c6775285048deff597c8d5aff0b3">Wt::Auth::PasswordVerifier</a>.</p> </div> </div> <a class="anchor" id="a90b8136ba2c6f77fe420445653f56a6a"></a><!-- doxytag: member="Wt::Auth::PasswordService::AbstractVerifier::verify" ref="a90b8136ba2c6f77fe420445653f56a6a" args="(const WString &password, const PasswordHash &hash) const =0" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">virtual bool Wt::Auth::PasswordService::AbstractVerifier::verify </td> <td>(</td> <td class="paramtype">const <a class="el" href="classWt_1_1WString.html">WString</a> & </td> <td class="paramname"><em>password</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">const <a class="el" href="classWt_1_1Auth_1_1PasswordHash.html">PasswordHash</a> & </td> <td class="paramname"><em>hash</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td> const<code> [pure virtual]</code></td> </tr> </table> </div> <div class="memdoc"> <p>Verifies a password against a hash. </p> <p>This returns whether the given password matches with the user's credentials stored in the hash. </p> <p>Implemented in <a class="el" href="classWt_1_1Auth_1_1PasswordVerifier.html#aa7685632890548b7f3a02422ceef9ba2">Wt::Auth::PasswordVerifier</a>.</p> </div> </div> </div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span 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