class_d_l___group_parameters.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_generatable_crypto_material.html#38d492343c32e530a5c2781b5797f755">GenerateRandomWithKeySize</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;rng, unsigned int keySize)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">calls the above function with a <a class="el" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> object that just specifies "KeySize" <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#20181c1b39a74a9fe91385b025b773c6">AssignFrom</a> (const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;source)=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">assign values from source to this object  <a href="#20181c1b39a74a9fe91385b025b773c6"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="edb65ba5323f7bb41fc57973566d20cd"></a><!-- doxytag: member="DL_GroupParameters::ThrowIfInvalid" ref="edb65ba5323f7bb41fc57973566d20cd" args="(RandomNumberGenerator &amp;rng, unsigned int level) const" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#edb65ba5323f7bb41fc57973566d20cd">ThrowIfInvalid</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;rng, unsigned int level) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">throws <a class="el" href="class_crypto_material_1_1_invalid_material.html" title="exception thrown when invalid crypto material is detected">InvalidMaterial</a> if this object fails <a class="el" href="class_crypto_material.html#439743c6b4e89ca8228a12fa1ea43ab1" title="check this object for errors">Validate()</a> test <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="690c7ce3e765a502b29b47a08c1a4e7b"></a><!-- doxytag: member="DL_GroupParameters::Save" ref="690c7ce3e765a502b29b47a08c1a4e7b" args="(BufferedTransformation &amp;bt) const " -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#690c7ce3e765a502b29b47a08c1a4e7b">Save</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;bt) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">save key into a <a class="el" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#e7a94de4c3d3822070db5babbdf8b113">Load</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;bt)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">load key from a <a class="el" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a>  <a href="#e7a94de4c3d3822070db5babbdf8b113"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a1da44802c5cf00946043922cb9e7e6e"></a><!-- doxytag: member="DL_GroupParameters::DoQuickSanityCheck" ref="a1da44802c5cf00946043922cb9e7e6e" args="() const" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#a1da44802c5cf00946043922cb9e7e6e">DoQuickSanityCheck</a> () const</td></tr>

<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="16d9f1685fbb1be3f29a22dbba911142"></a><!-- doxytag: member="DL_GroupParameters::GetThisObject" ref="16d9f1685fbb1be3f29a22dbba911142" args="(T &amp;object) const" -->
template&lt;class T&gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#16d9f1685fbb1be3f29a22dbba911142">GetThisObject</a> (T &amp;object) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a copy of this object or a subobject of it <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="01c64a1e0a5f667898b4c1968a853c0f"></a><!-- doxytag: member="DL_GroupParameters::GetThisPointer" ref="01c64a1e0a5f667898b4c1968a853c0f" args="(T *&amp;p) const " -->
template&lt;class T&gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#01c64a1e0a5f667898b4c1968a853c0f">GetThisPointer</a> (T *&amp;p) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a pointer to this object, as a pointer to T <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="96686e9f8d6ce3ab870e516fb72b608e"></a><!-- doxytag: member="DL_GroupParameters::GetValue" ref="96686e9f8d6ce3ab870e516fb72b608e" args="(const char *name, T &amp;value) const " -->
template&lt;class T&gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#96686e9f8d6ce3ab870e516fb72b608e">GetValue</a> (const char *name, T &amp;value) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a named value, returns true if the name exists <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="943b2009297783f1c35bae46efc3b5f7"></a><!-- doxytag: member="DL_GroupParameters::GetValueWithDefault" ref="943b2009297783f1c35bae46efc3b5f7" args="(const char *name, T defaultValue) const " -->
template&lt;class T&gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">T&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#943b2009297783f1c35bae46efc3b5f7">GetValueWithDefault</a> (const char *name, T defaultValue) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a named value, returns the default if the name doesn't exist <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="13faea827ee047cd58557282806ed2e1"></a><!-- doxytag: member="DL_GroupParameters::GetValueNames" ref="13faea827ee047cd58557282806ed2e1" args="() const" -->
std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#13faea827ee047cd58557282806ed2e1">GetValueNames</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a list of value names that can be retrieved <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#39b6daefcabcdd07f5ae482a075e1728">GetIntValue</a> (const char *name, int &amp;value) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a named value with type int  <a href="#39b6daefcabcdd07f5ae482a075e1728"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7ddb654b7afcd1a04422a7b4b01366d9"></a><!-- doxytag: member="DL_GroupParameters::GetIntValueWithDefault" ref="7ddb654b7afcd1a04422a7b4b01366d9" args="(const char *name, int defaultValue) const" -->
int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#7ddb654b7afcd1a04422a7b4b01366d9">GetIntValueWithDefault</a> (const char *name, int defaultValue) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a named value with type int, with default <br></td></tr>
<tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="c66048d3bc2a741712486d02e1f75d78"></a><!-- doxytag: member="DL_GroupParameters::GetRequiredParameter" ref="c66048d3bc2a741712486d02e1f75d78" args="(const char *className, const char *name, T &amp;value) const " -->
template&lt;class T&gt; </td></tr>
<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#c66048d3bc2a741712486d02e1f75d78">GetRequiredParameter</a> (const char *className, const char *name, T &amp;value) const </td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1e6596c87ad9c2bb7f2a4d7b2194b949"></a><!-- doxytag: member="DL_GroupParameters::GetRequiredIntParameter" ref="1e6596c87ad9c2bb7f2a4d7b2194b949" args="(const char *className, const char *name, int &amp;value) const " -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#1e6596c87ad9c2bb7f2a4d7b2194b949">GetRequiredIntParameter</a> (const char *className, const char *name, int &amp;value) const </td></tr>

<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a50a73b1705adb00ace9463b59696fb7"></a><!-- doxytag: member="DL_GroupParameters::ThrowIfTypeMismatch" ref="a50a73b1705adb00ace9463b59696fb7" args="(const char *name, const std::type_info &amp;stored, const std::type_info &amp;retrieving)" -->
static void __cdecl&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a50a73b1705adb00ace9463b59696fb7">ThrowIfTypeMismatch</a> (const char *name, const std::type_info &amp;stored, const std::type_info &amp;retrieving)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">used by derived classes to check for type mismatch <br></td></tr>
<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="062c4508c8179ca10a7c1553ca031978"></a><!-- doxytag: member="DL_GroupParameters::ParametersChanged" ref="062c4508c8179ca10a7c1553ca031978" args="()" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#062c4508c8179ca10a7c1553ca031978">ParametersChanged</a> ()</td></tr>

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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="1f25ebabec85af46cf34e2239f9612e3"></a><!-- doxytag: member="DL_GroupParameters::Validate" ref="1f25ebabec85af46cf34e2239f9612e3" args="(RandomNumberGenerator &amp;rng, unsigned int level) const" -->
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template&lt;class T&gt; </div>
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          <td class="memname">bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>&lt; T &gt;::Validate           </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;&nbsp;</td>
          <td class="paramname"> <em>rng</em>, </td>
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          <td class="paramkey"></td>
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          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>level</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [inline, virtual]</code></td>
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<p>
check this object for errors 
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
  <table border="0" cellspacing="2" cellpadding="0">
    <tr><td valign="top"></td><td valign="top"><em>level</em>&nbsp;</td><td>denotes the level of thoroughness: 0 - using this object won't cause a crash or exception (rng is ignored) 1 - this object will probably function (encrypt, sign, etc.) correctly (but may not check for weak keys and such) 2 - make sure this object will function correctly, and do reasonable security checks 3 - do checks that may take a long time </td></tr>
  </table>
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<dl class="return" compact><dt><b>Returns:</b></dt><dd>true if the tests pass </dd></dl>

<p>
Implements <a class="el" href="class_crypto_material.html#439743c6b4e89ca8228a12fa1ea43ab1">CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l00531">531</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.
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<a class="anchor" name="5f04ae8b4d0b9410a046af1607fbbb6f"></a><!-- doxytag: member="DL_GroupParameters::Precompute" ref="5f04ae8b4d0b9410a046af1607fbbb6f" args="(unsigned int precomputationStorage=16)" -->
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template&lt;class T&gt; </div>
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          <td class="memname">void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>&lt; T &gt;::Precompute           </td>
          <td>(</td>
          <td class="paramtype">unsigned int&nbsp;</td>
          <td class="paramname"> <em>n</em> = <code>16</code>          </td>
          <td>&nbsp;)&nbsp;</td>
          <td width="100%"><code> [inline, virtual]</code></td>
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<p>
do precomputation 
<p>
The exact semantics of <a class="el" href="class_d_l___group_parameters.html#5f04ae8b4d0b9410a046af1607fbbb6f" title="do precomputation">Precompute()</a> is varies, but typically it means calculate a table of n objects that can be used later to speed up computation. 
<p>
Reimplemented from <a class="el" href="class_crypto_material.html#39e512d2ea70d0e967db98c19994a7fd">CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l00557">557</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.
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<a class="anchor" name="be368b52db1ca7079b690f2d6e605f7a"></a><!-- doxytag: member="DL_GroupParameters::GenerateRandom" ref="be368b52db1ca7079b690f2d6e605f7a" args="(RandomNumberGenerator &amp;rng, const NameValuePairs &amp;params=g_nullNameValuePairs)" -->