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<title>Crypto++: PKCS5_PBKDF1< T > Class Template Reference</title>
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<h1>PKCS5_PBKDF1< T > Class Template Reference</h1><!-- doxytag: class="PKCS5_PBKDF1" --><!-- doxytag: inherits="PasswordBasedKeyDerivationFunction" -->
<p>PBKDF1 from PKCS #5, T should be a <a class="el" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> class.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="pwdbased_8h_source.html">pwdbased.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for PKCS5_PBKDF1< T >:</div>
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<img src="class_p_k_c_s5___p_b_k_d_f1.gif" usemap="#PKCS5_PBKDF1< T >_map" alt=""/>
<map id="PKCS5_PBKDF1< T >_map" name="PKCS5_PBKDF1< T >_map">
<area href="class_password_based_key_derivation_function.html" alt="PasswordBasedKeyDerivationFunction" shape="rect" coords="0,0,231,24"/>
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<p><a href="class_p_k_c_s5___p_b_k_d_f1-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a60f240c7d927ad3650555b99afffbea3"></a><!-- doxytag: member="PKCS5_PBKDF1::MaxDerivedKeyLength" ref="a60f240c7d927ad3650555b99afffbea3" args="() const " -->
size_t </td><td class="memItemRight" valign="bottom"><b>MaxDerivedKeyLength</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab09e6c536fc1d7c54de6556ef81e750d"></a><!-- doxytag: member="PKCS5_PBKDF1::UsesPurposeByte" ref="ab09e6c536fc1d7c54de6556ef81e750d" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><b>UsesPurposeByte</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_p_k_c_s5___p_b_k_d_f1.html#ae0d2eab2aaf14d0478d1bbd72e5f3e5a">DeriveKey</a> (byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">derive key from password <a href="#ae0d2eab2aaf14d0478d1bbd72e5f3e5a"></a><br/></td></tr>
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<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class T><br/>
class PKCS5_PBKDF1< T ></h3>
<p>PBKDF1 from PKCS #5, T should be a <a class="el" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> class. </p>
<p>Definition at line <a class="el" href="pwdbased_8h_source.html#l00026">26</a> of file <a class="el" href="pwdbased_8h_source.html">pwdbased.h</a>.</p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ae0d2eab2aaf14d0478d1bbd72e5f3e5a"></a><!-- doxytag: member="PKCS5_PBKDF1::DeriveKey" ref="ae0d2eab2aaf14d0478d1bbd72e5f3e5a" args="(byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const " -->
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class T > </div>
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<tr>
<td class="memname">unsigned int <a class="el" href="class_p_k_c_s5___p_b_k_d_f1.html">PKCS5_PBKDF1</a>< T >::DeriveKey </td>
<td>(</td>
<td class="paramtype">byte * </td>
<td class="paramname"> <em>derived</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>derivedLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">byte </td>
<td class="paramname"> <em>purpose</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const byte * </td>
<td class="paramname"> <em>password</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>passwordLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const byte * </td>
<td class="paramname"> <em>salt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>saltLen</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>iterations</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>timeInSeconds</em> = <code>0</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [inline, virtual]</code></td>
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<div class="memdoc">
<p>derive key from password </p>
<p>If timeInSeconds != 0, will iterate until time elapsed, as measured by <a class="el" href="class_thread_user_timer.html" title="measure CPU time spent executing instructions of this thread (if supported by OS)...">ThreadUserTimer</a> Returns actual iteration count, which is equal to iterations if timeInSeconds == 0, and not less than iterations otherwise. </p>
<p>Implements <a class="el" href="class_password_based_key_derivation_function.html#aeaff60e52adddbaf6abd9ff2b64f5356">PasswordBasedKeyDerivationFunction</a>.</p>
<p>Definition at line <a class="el" href="pwdbased_8h_source.html#l00056">56</a> of file <a class="el" href="pwdbased_8h_source.html">pwdbased.h</a>.</p>
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</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pwdbased_8h_source.html">pwdbased.h</a></li>
</ul>
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<hr size="1"/><address style="text-align: right;"><small>Generated on 9 Dec 2009 for Crypto++ by
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