class_public_blum_blum_shub.html

Crypto++是一个非常强大的密码学库,主要是功能全

<dl compact><dt><b>Note:</b></dt><dd>either inString == outString, or they don't overlap </dd></dl>

<p>
Implements <a class="el" href="class_stream_transformation.html#_symmetric_ciphera5">StreamTransformation</a>.
<p>
Definition at line <a class="el" href="blumshub_8h-source.html#l00021">21</a> of file <a class="el" href="blumshub_8h-source.html">blumshub.h</a>.
<p>
References <a class="el" href="blumshub_8cpp-source.html#l00027">GenerateByte()</a>.    </td>
  </tr>
</table>
<a name="_x917_r_n_ga4" doxytag="PublicBlumBlumShub::GenerateBlock"></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 RandomNumberGenerator::GenerateBlock </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">byte *&nbsp;</td>
          <td class="mdname" nowrap> <em>output</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>size</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>
generate random array of bytes 
<p>
Default implementation is to call <a class="el" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba2">GenerateByte()</a> size times. 
<p>
Reimplemented in <a class="el" href="class_nonblocking_rng.html#_nonblocking_rnga3">NonblockingRng</a>, <a class="el" href="class_blocking_rng.html#_blocking_rnga3">BlockingRng</a>, and <a class="el" href="class_random_pool.html#_random_poola7">RandomPool</a>.
<p>
Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00091">91</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
<p>
References <a class="el" href="class_random_number_generator.html#_sapphire_r_n_ga2">RandomNumberGenerator::GenerateByte()</a>.
<p>
Referenced by <a class="el" href="gfpcrypt_8cpp-source.html#l00026">DL_GroupParameters_DSA::GenerateRandom()</a>.    </td>
  </tr>
</table>
<a name="_x917_r_n_ga5" doxytag="PublicBlumBlumShub::DiscardBytes"></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 RandomNumberGenerator::DiscardBytes </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>n</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [virtual, inherited]</code></td>
        </tr>

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

<p>
generate and discard n bytes 
<p>
Default implementation is to call <a class="el" href="class_public_blum_blum_shub.html#_public_blum_blum_shuba2">GenerateByte()</a> n times. 
<p>
Reimplemented in <a class="el" href="class_a_r_c4___base.html#_m_a_r_c4___basea1">ARC4_Base</a>.
<p>
Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00117">117</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
<p>
References <a class="el" href="class_random_number_generator.html#_sapphire_r_n_ga2">RandomNumberGenerator::GenerateByte()</a>.    </td>
  </tr>
</table>
<a name="_symmetric_ciphera0" doxytag="PublicBlumBlumShub::Ref"></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"> <a class="el" href="class_stream_transformation.html">StreamTransformation</a>&amp; StreamTransformation::Ref </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
        </tr>

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

<p>
return a reference to this object, 
<p>
This function is useful for passing a temporary <a class="el" href="class_stream_transformation.html">StreamTransformation</a> object to a function that takes a non-const reference. 
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00458">458</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.    </td>
  </tr>
</table>
<a name="_symmetric_ciphera2" doxytag="PublicBlumBlumShub::OptimalBlockSize"></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 unsigned int StreamTransformation::OptimalBlockSize </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> 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>
returns the input block size that is most efficient for this cipher 
<p>
<dl compact><dt><b>Note:</b></dt><dd>optimal input length is n * <a class="el" href="class_stream_transformation.html#_symmetric_ciphera2">OptimalBlockSize()</a> - <a class="el" href="class_stream_transformation.html#_symmetric_ciphera3">GetOptimalBlockSizeUsed()</a> for any n &gt; 0 </dd></dl>

<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00465">465</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.    </td>
  </tr>
</table>
<a name="_symmetric_ciphera6" doxytag="PublicBlumBlumShub::ProcessLastBlock"></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 StreamTransformation::ProcessLastBlock </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">byte *&nbsp;</td>
          <td class="mdname" nowrap> <em>outString</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>const byte *&nbsp;</td>
          <td class="mdname" nowrap> <em>inString</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>unsigned int&nbsp;</td>
          <td class="mdname" nowrap> <em>length</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>
for ciphers where the last block of data is special, encrypt or decrypt the last block of data 
<p>
For now the only use of this function is for CBC-CTS mode. 
<p>
Definition at line <a class="el" href="cryptlib_8cpp-source.html#l00076">76</a> of file <a class="el" href="cryptlib_8cpp-source.html">cryptlib.cpp</a>.
<p>
References <a class="el" href="cryptlib_8h-source.html#l00461">StreamTransformation::MandatoryBlockSize()</a>, <a class="el" href="cryptlib_8h-source.html#l00480">StreamTransformation::MinLastBlockSize()</a>, and <a class="el" href="class_stream_transformation.html#_symmetric_ciphera5">StreamTransformation::ProcessData()</a>.    </td>
  </tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="blumshub_8h-source.html">blumshub.h</a><li><a class="el" href="blumshub_8cpp-source.html">blumshub.cpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:35:24 2003 for Crypto++ by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 > 
</a>1.3.2 </small></address>
</body>
</html>