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<h1>PublicBlumBlumShub Class Reference</h1><!-- doxytag: class="PublicBlumBlumShub" --><!-- doxytag: inherits="RandomNumberGenerator,StreamTransformation" -->
<p><a class="el" href="class_blum_blum_shub.html" title="BlumBlumShub with factorization of the modulus.">BlumBlumShub</a> without factorization of the modulus.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="blumshub_8h_source.html">blumshub.h</a>></code></p>
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Inheritance diagram for PublicBlumBlumShub:</div>
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<area href="class_random_number_generator.html" alt="RandomNumberGenerator" shape="rect" coords="0,112,158,136"/>
<area href="class_stream_transformation.html" alt="StreamTransformation" shape="rect" coords="168,112,326,136"/>
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<area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="168,56,326,80"/>
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<area href="class_clonable.html" alt="Clonable" shape="rect" coords="168,0,326,24"/>
<area href="class_blum_blum_shub.html" alt="BlumBlumShub" shape="rect" coords="84,224,242,248"/>
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<p><a href="class_public_blum_blum_shub-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="a24c3820f9c8b8c041dd2cac44bbefae5"></a><!-- doxytag: member="PublicBlumBlumShub::PublicBlumBlumShub" ref="a24c3820f9c8b8c041dd2cac44bbefae5" args="(const Integer &n, const Integer &seed)" -->
</td><td class="memItemRight" valign="bottom"><b>PublicBlumBlumShub</b> (const <a class="el" href="class_integer.html">Integer</a> &n, const <a class="el" href="class_integer.html">Integer</a> &seed)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#a6871d5e2ba162f32574d6b43e2473286">GenerateBit</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate new random bit and return it <a href="#a6871d5e2ba162f32574d6b43e2473286"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaeb3ba6a07fe0a67d35c4fb84bfc71cf"></a><!-- doxytag: member="PublicBlumBlumShub::GenerateByte" ref="aaeb3ba6a07fe0a67d35c4fb84bfc71cf" args="()" -->
byte </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#aaeb3ba6a07fe0a67d35c4fb84bfc71cf">GenerateByte</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate new random byte and return it <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8301fb046b5954854ec9635ae16f615b"></a><!-- doxytag: member="PublicBlumBlumShub::GenerateBlock" ref="a8301fb046b5954854ec9635ae16f615b" args="(byte *output, size_t size)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#a8301fb046b5954854ec9635ae16f615b">GenerateBlock</a> (byte *output, size_t size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate random array of bytes <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#afb03a58653cb83c9a9013f3a57105bfc">ProcessData</a> (byte *outString, const byte *inString, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">encrypt or decrypt an array of bytes of specified length <a href="#afb03a58653cb83c9a9013f3a57105bfc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af566aa72501c98bb717eefa611c025a0"></a><!-- doxytag: member="PublicBlumBlumShub::IsSelfInverting" ref="af566aa72501c98bb717eefa611c025a0" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#af566aa72501c98bb717eefa611c025a0">IsSelfInverting</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this transformation is self-inverting (e.g. xor with a keystream) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a310bfd8d4ffb9e07e35b3a87610a1f08"></a><!-- doxytag: member="PublicBlumBlumShub::IsForwardTransformation" ref="a310bfd8d4ffb9e07e35b3a87610a1f08" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_public_blum_blum_shub.html#a310bfd8d4ffb9e07e35b3a87610a1f08">IsForwardTransformation</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this is an encryption object <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6feb4f0afedb62a495b7a9ae311fa1cb"></a><!-- doxytag: member="PublicBlumBlumShub::IncorporateEntropy" ref="a6feb4f0afedb62a495b7a9ae311fa1cb" args="(const byte *input, size_t length)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#a6feb4f0afedb62a495b7a9ae311fa1cb">IncorporateEntropy</a> (const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">update RNG state with additional unpredictable values <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a85b1db1d40b57d18a320dba6cfb2e4b6"></a><!-- doxytag: member="PublicBlumBlumShub::CanIncorporateEntropy" ref="a85b1db1d40b57d18a320dba6cfb2e4b6" args="() const " -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#a85b1db1d40b57d18a320dba6cfb2e4b6">CanIncorporateEntropy</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns true if IncorporateEntropy is implemented <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac06c9f5e66f35d643e4192f231b8a4cd"></a><!-- doxytag: member="PublicBlumBlumShub::GenerateWord32" ref="ac06c9f5e66f35d643e4192f231b8a4cd" args="(word32 a=0, word32 b=0xffffffffL)" -->
virtual word32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#ac06c9f5e66f35d643e4192f231b8a4cd">GenerateWord32</a> (word32 a=0, word32 b=0xffffffffL)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate a random 32 bit word in the range min to max, inclusive <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a44f70ad8fed869a4ee55f50ef8e6e699"></a><!-- doxytag: member="PublicBlumBlumShub::DiscardBytes" ref="a44f70ad8fed869a4ee55f50ef8e6e699" args="(size_t n)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#a44f70ad8fed869a4ee55f50ef8e6e699">DiscardBytes</a> (size_t n)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate and discard n bytes <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5cc474006e2c7383ec20cc4d0c2abbaf"></a><!-- doxytag: member="PublicBlumBlumShub::GenerateIntoBufferedTransformation" ref="a5cc474006e2c7383ec20cc4d0c2abbaf" args="(BufferedTransformation &target, const std::string &channel, lword length)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#a5cc474006e2c7383ec20cc4d0c2abbaf">GenerateIntoBufferedTransformation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &target, const std::string &channel, lword length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate random bytes as input to a <a class="el" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> <br/></td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="a9ef5090c556d086e7aa240acf7a131b4"></a><!-- doxytag: member="PublicBlumBlumShub::Shuffle" ref="a9ef5090c556d086e7aa240acf7a131b4" args="(IT begin, IT end)" -->
template<class IT > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#a9ef5090c556d086e7aa240acf7a131b4">Shuffle</a> (IT begin, IT end)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">randomly shuffle the specified array, resulting permutation is uniformly distributed <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acd21c6715add4884fa043eaf51655039"></a><!-- doxytag: member="PublicBlumBlumShub::AlgorithmName" ref="acd21c6715add4884fa043eaf51655039" args="() const " -->
virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#acd21c6715add4884fa043eaf51655039">AlgorithmName</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a24b43349a71e1f98508eeb10b31a0a62"></a><!-- doxytag: member="PublicBlumBlumShub::Clone" ref="a24b43349a71e1f98508eeb10b31a0a62" args="() const " -->
virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#a24b43349a71e1f98508eeb10b31a0a62">Clone</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_stream_transformation.html">StreamTransformation</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a8c9304fff5af593ee68d3cf0d33c06e9">Ref</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return a reference to this object, <a href="#a8c9304fff5af593ee68d3cf0d33c06e9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3638ff7580edb42a5b1c367e53a7436f"></a><!-- doxytag: member="PublicBlumBlumShub::MandatoryBlockSize" ref="a3638ff7580edb42a5b1c367e53a7436f" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a3638ff7580edb42a5b1c367e53a7436f">MandatoryBlockSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns block size, if input must be processed in blocks, otherwise 1 <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#ae79457bcbafc980672d88ee54ed4ac66">OptimalBlockSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the input block size that is most efficient for this cipher <a href="#ae79457bcbafc980672d88ee54ed4ac66"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a94b4e1d14edde1fdde38361bce9ca4c6"></a><!-- doxytag: member="PublicBlumBlumShub::GetOptimalBlockSizeUsed" ref="a94b4e1d14edde1fdde38361bce9ca4c6" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a94b4e1d14edde1fdde38361bce9ca4c6">GetOptimalBlockSizeUsed</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns how much of the current block is used up <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af6ed3c4f1c8582f62096263e76ed98f5"></a><!-- doxytag: member="PublicBlumBlumShub::OptimalDataAlignment" ref="af6ed3c4f1c8582f62096263e76ed98f5" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#af6ed3c4f1c8582f62096263e76ed98f5">OptimalDataAlignment</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns how input should be aligned for optimal performance <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a0668b78edaea082f87bf3e878c4c02f7">ProcessLastBlock</a> (byte *outString, const byte *inString, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">for ciphers where the last block of data is special, encrypt or decrypt the last block of data <a href="#a0668b78edaea082f87bf3e878c4c02f7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2eb96f3a8fae23cb9f85acb288e3bcbe"></a><!-- doxytag: member="PublicBlumBlumShub::MinLastBlockSize" ref="a2eb96f3a8fae23cb9f85acb288e3bcbe" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a2eb96f3a8fae23cb9f85acb288e3bcbe">MinLastBlockSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the minimum size of the last block, 0 indicating the last block is not special <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac00f3fcc21f33f11c8efa4de67ff7774"></a><!-- doxytag: member="PublicBlumBlumShub::ProcessString" ref="ac00f3fcc21f33f11c8efa4de67ff7774" args="(byte *inoutString, size_t length)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#ac00f3fcc21f33f11c8efa4de67ff7774">ProcessString</a> (byte *inoutString, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">same as ProcessData(inoutString, inoutString, length) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a17951cb36412763e0d6bd9696177175d"></a><!-- doxytag: member="PublicBlumBlumShub::ProcessString" ref="a17951cb36412763e0d6bd9696177175d" args="(byte *outString, const byte *inString, size_t length)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a17951cb36412763e0d6bd9696177175d">ProcessString</a> (byte *outString, const byte *inString, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">same as ProcessData(outString, inString, length) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a71a9bd33526fc7f227050075e7a78106"></a><!-- doxytag: member="PublicBlumBlumShub::ProcessByte" ref="a71a9bd33526fc7f227050075e7a78106" args="(byte input)" -->
byte </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a71a9bd33526fc7f227050075e7a78106">ProcessByte</a> (byte input)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">implemented as {ProcessData(&input, &input, 1); return input;} <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad7286fd9a993de0a147b0c20f660bfa5"></a><!-- doxytag: member="PublicBlumBlumShub::IsRandomAccess" ref="ad7286fd9a993de0a147b0c20f660bfa5" args="() const =0" -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#ad7286fd9a993de0a147b0c20f660bfa5">IsRandomAccess</a> () const =0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this cipher supports random access <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7bfbac3f2e43b50d1e16e6b4b2d2e48a"></a><!-- doxytag: member="PublicBlumBlumShub::Seek" ref="a7bfbac3f2e43b50d1e16e6b4b2d2e48a" args="(lword n)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#a7bfbac3f2e43b50d1e16e6b4b2d2e48a">Seek</a> (lword n)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">for random access ciphers, seek to an absolute position <br/></td></tr>
<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a60712ac102ff230738ea09fe7e141d89"></a><!-- doxytag: member="PublicBlumBlumShub::modn" ref="a60712ac102ff230738ea09fe7e141d89" args="" -->
<a class="el" href="class_modular_arithmetic.html">ModularArithmetic</a> </td><td class="memItemRight" valign="bottom"><b>modn</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a45e5b885b73eef60d42220504e151701"></a><!-- doxytag: member="PublicBlumBlumShub::maxBits" ref="a45e5b885b73eef60d42220504e151701" args="" -->
word </td><td class="memItemRight" valign="bottom"><b>maxBits</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a910cdec6f2473f08a1a7d06ec41c12af"></a><!-- doxytag: member="PublicBlumBlumShub::bitsLeft" ref="a910cdec6f2473f08a1a7d06ec41c12af" args="" -->
word </td><td class="memItemRight" valign="bottom"><b>bitsLeft</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a060f64661986ffee95b4ec13107cb363"></a><!-- doxytag: member="PublicBlumBlumShub::current" ref="a060f64661986ffee95b4ec13107cb363" args="" -->
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><b>current</b></td></tr>
<tr><td colspan="2"><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a64155f59c06572d6d5ebc0246f80fefd"></a><!-- doxytag: member="PublicBlumBlumShub::BlumGoldwasserPublicKey" ref="a64155f59c06572d6d5ebc0246f80fefd" args="" -->
class </td><td class="memItemRight" valign="bottom"><b>BlumGoldwasserPublicKey</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a31aabf892ac3430c6e63d71acee8a373"></a><!-- doxytag: member="PublicBlumBlumShub::BlumGoldwasserPrivateKey" ref="a31aabf892ac3430c6e63d71acee8a373" args="" -->
class </td><td class="memItemRight" valign="bottom"><b>BlumGoldwasserPrivateKey</b></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p><a class="el" href="class_blum_blum_shub.html" title="BlumBlumShub with factorization of the modulus.">BlumBlumShub</a> without factorization of the modulus. </p>
<p>Definition at line <a class="el" href="blumshub_8h_source.html#l00012">12</a> of file <a class="el" href="blumshub_8h_source.html">blumshub.h</a>.</p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a6871d5e2ba162f32574d6b43e2473286"></a><!-- doxytag: member="PublicBlumBlumShub::GenerateBit" ref="a6871d5e2ba162f32574d6b43e2473286" args="()" -->
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">unsigned int PublicBlumBlumShub::GenerateBit </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>generate new random bit and return it </p>
<p>Default implementation is to call <a class="el" href="class_public_blum_blum_shub.html#aaeb3ba6a07fe0a67d35c4fb84bfc71cf" title="generate new random byte and return it">GenerateByte()</a> and return its lowest bit. </p>
<p>Reimplemented from <a class="el" href="class_random_number_generator.html#ace592244cfbd6c18398ea6c75857532e">RandomNumberGenerator</a>.</p>
<p>Definition at line <a class="el" href="blumshub_8cpp_source.html#l00016">16</a> of file <a class="el" href="blumshub_8cpp_source.html">blumshub.cpp</a>.</p>
<p>References <a class="el" href="integer_8cpp_source.html#l02906">Integer::GetBit()</a>.</p>
<p>Referenced by <a class="el" href="blumshub_8cpp_source.html#l00027">GenerateByte()</a>.</p>
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<a class="anchor" id="afb03a58653cb83c9a9013f3a57105bfc"></a><!-- doxytag: member="PublicBlumBlumShub::ProcessData" ref="afb03a58653cb83c9a9013f3a57105bfc" args="(byte *outString, const byte *inString, size_t length)" -->
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<td class="memname">void PublicBlumBlumShub::ProcessData </td>
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<td class="paramtype">byte * </td>
<td class="paramname"> <em>outString</em>, </td>
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<td class="paramtype">const byte * </td>
<td class="paramname"> <em>inString</em>, </td>
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<td class="paramtype">size_t </td>
<td class="paramname"> <em>length</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual]</code></td>
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<p>encrypt or decrypt an array of bytes of specified length </p>
<dl class="note"><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#a26feabde21bc4d1783195969733e3bb0">StreamTransformation</a>.</p>
<p>Definition at line <a class="el" href="blumshub_8cpp_source.html#l00041">41</a> of file <a class="el" href="blumshub_8cpp_source.html">blumshub.cpp</a>.</p>
<p>References <a class="el" href="blumshub_8cpp_source.html#l00027">GenerateByte()</a>.</p>
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<a class="anchor" id="a8c9304fff5af593ee68d3cf0d33c06e9"></a><!-- doxytag: member="PublicBlumBlumShub::Ref" ref="a8c9304fff5af593ee68d3cf0d33c06e9" args="()" -->
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<td class="memname"><a class="el" href="class_stream_transformation.html">StreamTransformation</a>& StreamTransformation::Ref </td>
<td>(</td>
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<td><code> [inline, inherited]</code></td>
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<p>return a reference to this object, </p>
<p>This function is useful for passing a temporary <a class="el" href="class_stream_transformation.html" title="interface for the data processing part of stream ciphers">StreamTransformation</a> object to a function that takes a non-const reference. </p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00483">483</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
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<a class="anchor" id="ae79457bcbafc980672d88ee54ed4ac66"></a><!-- doxytag: member="PublicBlumBlumShub::OptimalBlockSize" ref="ae79457bcbafc980672d88ee54ed4ac66" args="() const " -->
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<td class="memname">virtual unsigned int StreamTransformation::OptimalBlockSize </td>
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<td> const<code> [inline, virtual, inherited]</code></td>
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<p>returns the input block size that is most efficient for this cipher </p>
<dl class="note"><dt><b>Note:</b></dt><dd>optimal input length is n * <a class="el" href="class_stream_transformation.html#ae79457bcbafc980672d88ee54ed4ac66" title="returns the input block size that is most efficient for this cipher">OptimalBlockSize()</a> - <a class="el" href="class_stream_transformation.html#a94b4e1d14edde1fdde38361bce9ca4c6" title="returns how much of the current block is used up">GetOptimalBlockSizeUsed()</a> for any n > 0 </dd></dl>
<p>Reimplemented in <a class="el" href="class_e_c_b___one_way.html#ae525b1874f11cd0aa85f2d93c17f9d08">ECB_OneWay</a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00490">490</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
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<a class="anchor" id="a0668b78edaea082f87bf3e878c4c02f7"></a><!-- doxytag: member="PublicBlumBlumShub::ProcessLastBlock" ref="a0668b78edaea082f87bf3e878c4c02f7" args="(byte *outString, const byte *inString, size_t length)" -->
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<td class="memname">void StreamTransformation::ProcessLastBlock </td>
<td>(</td>
<td class="paramtype">byte * </td>
<td class="paramname"> <em>outString</em>, </td>
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<td></td>
<td class="paramtype">const byte * </td>
<td class="paramname"> <em>inString</em>, </td>
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<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>length</em></td><td> </td>
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<td>)</td>
<td></td><td></td><td><code> [virtual, inherited]</code></td>
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<p>for ciphers where the last block of data is special, encrypt or decrypt the last block of data </p>
<p>For now the only use of this function is for CBC-CTS mode. </p>
<p>Reimplemented in <a class="el" href="class_c_b_c___c_t_s___encryption.html#afa5e227b89c39bff1386df7cebaa5f32">CBC_CTS_Encryption</a>, and <a class="el" href="class_c_b_c___c_t_s___decryption.html#a2f23aad280dc56920f16ea0711b39d89">CBC_CTS_Decryption</a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8cpp_source.html#l00187">187</a> of file <a class="el" href="cryptlib_8cpp_source.html">cryptlib.cpp</a>.</p>
<p>References <a class="el" href="cryptlib_8h_source.html#l00350">Algorithm::AlgorithmName()</a>, <a class="el" href="cryptlib_8h_source.html#l00486">StreamTransformation::MandatoryBlockSize()</a>, <a class="el" href="cryptlib_8h_source.html#l00505">StreamTransformation::MinLastBlockSize()</a>, and <a class="el" href="class_stream_transformation.html#a26feabde21bc4d1783195969733e3bb0">StreamTransformation::ProcessData()</a>.</p>
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<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>
<li><a class="el" href="blumshub_8cpp_source.html">blumshub.cpp</a></li>
</ul>
</div>
<hr size="1"/><address style="text-align: right;"><small>Generated on 9 Dec 2009 for Crypto++ by
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