class_d_l___group_parameters___l_u_c.html

Crypto++是一个非常强大的密码学库,主要是功能全

  </tr>
</table>
<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_4a10" doxytag="DL_GroupParameters_LUC::GenerateRandom"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> void DL_GroupParameters_IntegerBased::GenerateRandom </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rng</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>alg</em></td>
        </tr>
        <tr>
          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [virtual, inherited]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
parameters: (ModulusSize, SubgroupOrderSize (optional)) 
<p>
Reimplemented from <a class="el" href="class_generatable_crypto_material.html#_x_t_r___d_ha27">GeneratableCryptoMaterial</a>.
<p>
Reimplemented in <a class="el" href="class_d_l___group_parameters___d_s_a.html#_d_l___group_parameters___d_s_aa1">DL_GroupParameters_DSA</a>.
<p>
Definition at line <a class="el" href="gfpcrypt_8cpp-source.html#l00142">142</a> of file <a class="el" href="gfpcrypt_8cpp-source.html">gfpcrypt.cpp</a>.
<p>
References PrimeAndGenerator::Generate(), <a class="el" href="nbtheory_8h-source.html#l00135">PrimeAndGenerator::Generator()</a>, <a class="el" href="cryptlib_8h-source.html#l00275">NameValuePairs::GetIntValue()</a>, <a class="el" href="cryptlib_8h-source.html#l00279">NameValuePairs::GetIntValueWithDefault()</a>, <a class="el" href="cryptlib_8h-source.html#l00255">NameValuePairs::GetValue()</a>, <a class="el" href="cryptlib_8h-source.html#l00262">NameValuePairs::GetValueWithDefault()</a>, <a class="el" href="nbtheory_8h-source.html#l00133">PrimeAndGenerator::Prime()</a>, and <a class="el" href="nbtheory_8h-source.html#l00134">PrimeAndGenerator::SubPrime()</a>.    </td>
  </tr>
</table>
<a name="_d_l___group_parametersa1" doxytag="DL_GroupParameters_LUC::Validate"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>&lt; <a class="el" href="class_integer.html">Integer</a>  &gt;::Validate </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rng</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>level</em></td>
        </tr>
        <tr>
          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"> const<code> [inline, virtual, inherited]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<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><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>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>true if the tests pass </dd></dl>

<p>
Implements <a class="el" href="class_crypto_material.html#_x509_public_keya12">CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l00630">630</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.    </td>
  </tr>
</table>
<a name="_d_l___group_parametersa4" doxytag="DL_GroupParameters_LUC::Precompute"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>&lt; <a class="el" href="class_integer.html">Integer</a>  &gt;::Precompute </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">unsigned int&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>precomputationStorage</em> = 16          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, virtual, inherited]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
do precomputation 
<p>
The exact semantics of <a class="el" href="class_d_l___group_parameters.html#_d_l___group_parametersa4">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#_x_t_r___d_ha33">CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="pubkey_8h-source.html#l00656">656</a> of file <a class="el" href="pubkey_8h-source.html">pubkey.h</a>.    </td>
  </tr>
</table>
<a name="_x_t_r___d_ha31" doxytag="DL_GroupParameters_LUC::Load"></a><p>
<table class="mdTable" width="100%" cellpadding="2" cellspacing="0">
  <tr>
    <td class="mdRow">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> virtual void CryptoMaterial::Load </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>bt</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, virtual, inherited]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;