class_d_l___group_parameters___l_u_c___default_safe_prime.html

Crypto++是一个非常强大的密码学库,主要是功能全

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parameters_impl_3_01_mod_exp_precomputation_00_01_d_l___fixed_base_precomputation_impl_3_01typename_mod_exp_precomputation_1_1_element_01_4_00_01_d_l___group_parameters___integer_based_01_4a27" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::SetSubgroupOrder"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><b>SetSubgroupOrder</b> (const <a class="el" href="class_integer.html">Integer</a> &amp;q)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_d_l___group_parametersa1">Validate</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">check this object for errors </em> <a href="#_d_l___group_parametersa1"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa3" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::SupportsPrecomputation"></a>
bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_d_l___group_parametersa3">SupportsPrecomputation</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight"><dl compact><dt><b>Returns:</b></dt><dd>whether this object supports precomputation </dd></dl>
<br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_d_l___group_parametersa4">Precompute</a> (unsigned int precomputationStorage=16)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">do precomputation </em> <a href="#_d_l___group_parametersa4"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa5" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::LoadPrecomputation"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_d_l___group_parametersa5">LoadPrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;storedPrecomputation)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">retrieve previously saved precomputation <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa6" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::SavePrecomputation"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_d_l___group_parametersa6">SavePrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;storedPrecomputation) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">save precomputation for later use <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa7" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetSubgroupGenerator"></a>
virtual const Element &amp;&nbsp;</td><td class="memItemRight" valign=bottom><b>GetSubgroupGenerator</b> () const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa8" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::SetSubgroupGenerator"></a>
virtual void&nbsp;</td><td class="memItemRight" valign=bottom><b>SetSubgroupGenerator</b> (const Element &amp;base)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa9" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ExponentiateBase"></a>
virtual Element&nbsp;</td><td class="memItemRight" valign=bottom><b>ExponentiateBase</b> (const <a class="el" href="class_integer.html">Integer</a> &amp;exponent) const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa10" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ExponentiateElement"></a>
virtual Element&nbsp;</td><td class="memItemRight" valign=bottom><b>ExponentiateElement</b> (const Element &amp;base, const <a class="el" href="class_integer.html">Integer</a> &amp;exponent) const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersa17" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetCofactor"></a>
virtual <a class="el" href="class_integer.html">Integer</a>&nbsp;</td><td class="memItemRight" valign=bottom><b>GetCofactor</b> () const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha28" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GenerateRandomWithKeySize"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha28">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">NameValuePairs</a> object that just specifies "KeySize" <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha29" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ThrowIfInvalid"></a>
virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha29">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">InvalidMaterial</a> if this object fails <a class="el" href="class_crypto_material.html#_x509_public_keya12">Validate()</a> test <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha30" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::Save"></a>
virtual void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha30">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">BufferedTransformation</a> <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x509_public_keya8" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::Save"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x509_public_keya8">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">BufferedTransformation</a> <br><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_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha31">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">BufferedTransformation</a> </em> <a href="#_x_t_r___d_ha31"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x509_public_keya9">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">BufferedTransformation</a> </em> <a href="#_x509_public_keya9"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha36" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::DoQuickSanityCheck"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><b>DoQuickSanityCheck</b> () const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha37" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetThisObject"></a>
template&lt;class T&gt; bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha37">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha38" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetThisPointer"></a>
template&lt;class T&gt; bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha38">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha39" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetValue"></a>
template&lt;class T&gt; bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha39">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha40" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetValueWithDefault"></a>
template&lt;class T&gt; T&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha40">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha41" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetValueNames"></a>
std::string&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha41">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><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_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha42">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 </em> <a href="#_x_t_r___d_ha42"></a><em><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha43" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetIntValueWithDefault"></a>
int&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_ha43">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha44" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetRequiredParameter"></a>
template&lt;class T&gt; void&nbsp;</td><td class="memItemRight" valign=bottom><b>GetRequiredParameter</b> (const char *className, const char *name, T &amp;value) const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_x_t_r___d_ha45" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetRequiredIntParameter"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><b>GetRequiredIntParameter</b> (const char *className, const char *name, int &amp;value) const</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_d_l___group_parameters___l_u_c___default_safe_prime.html#_x509_public_keya10">BEREncode</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">encode this object into a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>, using BER </em> <a href="#_x509_public_keya10"></a><em><br><br></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 name="_x_t_r___d_he0" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ThrowIfTypeMismatch"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="class_d_l___group_parameters___l_u_c___default_safe_prime.html#_x_t_r___d_he0">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><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 name="_d_l___group_parameters___l_u_c___default_safe_primeb0" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::GetDefaultSubgroupOrderSize"></a>
unsigned int&nbsp;</td><td class="memItemRight" valign=bottom><b>GetDefaultSubgroupOrderSize</b> (unsigned int modulusSize) const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parameters_impl_3_01_mod_exp_precomputation_00_01_d_l___fixed_base_precomputation_impl_3_01typename_mod_exp_precomputation_1_1_element_01_4_00_01_d_l___group_parameters___integer_based_01_4b0" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ComputeGroupOrder"></a>
<a class="el" href="class_integer.html">Integer</a>&nbsp;</td><td class="memItemRight" valign=bottom><b>ComputeGroupOrder</b> (const <a class="el" href="class_integer.html">Integer</a> &amp;modulus) const</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parametersb0" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::ParametersChanged"></a>
void&nbsp;</td><td class="memItemRight" valign=bottom><b>ParametersChanged</b> ()</td></tr>

<tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parameters_implp0" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::m_groupPrecomputation"></a>
DL_GroupPrecomputation_LUC&nbsp;</td><td class="memItemRight" valign=bottom><b>m_groupPrecomputation</b></td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a name="_d_l___group_parameters_implp1" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::m_gpc"></a>
<a class="el" href="class_d_l___base_precomputation___l_u_c.html">DL_BasePrecomputation_LUC</a>&nbsp;</td><td class="memItemRight" valign=bottom><b>m_gpc</b></td></tr>

</table>
<hr><h2>Member Function Documentation</h2>
<a name="_d_l___group_parameters___integer_based_impla1" doxytag="DL_GroupParameters_LUC_DefaultSafePrime::AssignFrom"></a><p>
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          <td class="md" nowrap valign="top"> void <a class="el" href="class_d_l___group_parameters___integer_based_impl.html">DL_GroupParameters_IntegerBasedImpl</a>&lt; DL_GroupPrecomputation_LUC , <a class="el" href="class_d_l___base_precomputation___l_u_c.html">DL_BasePrecomputation_LUC</a>  &gt;::AssignFrom </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>source</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, virtual, inherited]</code></td>
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<p>
assign values from source to this object 
<p>
<dl compact><dt><b>Note:</b></dt><dd>This function can be used to create a public key from a private key. </dd></dl>

<p>
Reimplemented from <a class="el" href="class_d_l___group_parameters___integer_based.html#_d_l___group_parameters_impl_3_01_mod_exp_precomputation_00_01_d_l___fixed_base_precomputation_impl_3_01typename_mod_exp_precomputation_1_1_element_01_4_00_01_d_l___group_parameters___integer_based_01_4a12">DL_GroupParameters_IntegerBased</a>.
<p>