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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: RWFunction Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>RWFunction Class Reference</h1><!-- doxytag: class="RWFunction" --><!-- doxytag: inherits="TrapdoorFunction,PublicKey" --><code>#include <<a class="el" href="rw_8h-source.html">rw.h</a>></code><p><p>Inheritance diagram for RWFunction:<p><center><img src="class_r_w_function.png" usemap="#RWFunction_map" border="0" alt=""></center><map name="RWFunction_map"><area href="class_trapdoor_function.html" alt="TrapdoorFunction" shape="rect" coords="0,112,181,136"><area href="class_public_key.html" alt="PublicKey" shape="rect" coords="191,112,372,136"><area href="class_randomized_trapdoor_function.html" alt="RandomizedTrapdoorFunction" shape="rect" coords="0,56,181,80"><area href="class_crypto_material.html" alt="CryptoMaterial" shape="rect" coords="191,56,372,80"><area href="class_trapdoor_function_bounds.html" alt="TrapdoorFunctionBounds" shape="rect" coords="0,0,181,24"><area href="class_name_value_pairs.html" alt="NameValuePairs" shape="rect" coords="191,0,372,24"><area href="class_invertible_r_w_function.html" alt="InvertibleRWFunction" shape="rect" coords="95,224,276,248"></map><a href="class_r_w_function-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>_ <p><p>Definition at line <a class="el" href="rw_8h-source.html#l00014">14</a> of file <a class="el" href="rw_8h-source.html">rw.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="614204219fea42197352b8456ef0b7c5"></a><!-- doxytag: member="RWFunction::Initialize" ref="614204219fea42197352b8456ef0b7c5" args="(const Integer &n)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#614204219fea42197352b8456ef0b7c5">Initialize</a> (const <a class="el" href="class_integer.html">Integer</a> &n)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d6ec85792b74c6dd4c9d48cabefdd882"></a><!-- doxytag: member="RWFunction::BERDecode" ref="d6ec85792b74c6dd4c9d48cabefdd882" args="(BufferedTransformation &bt)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#d6ec85792b74c6dd4c9d48cabefdd882">BERDecode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bc83ab74fc89120f83bd8d387b5b436c"></a><!-- doxytag: member="RWFunction::DEREncode" ref="bc83ab74fc89120f83bd8d387b5b436c" args="(BufferedTransformation &bt) const " -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#bc83ab74fc89120f83bd8d387b5b436c">DEREncode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cddf9a5cb9d37ab07a1535f644cdac19"></a><!-- doxytag: member="RWFunction::ApplyFunction" ref="cddf9a5cb9d37ab07a1535f644cdac19" args="(const Integer &x) const " --><a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#cddf9a5cb9d37ab07a1535f644cdac19">ApplyFunction</a> (const <a class="el" href="class_integer.html">Integer</a> &x) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3133e8d2cbbf5c44925c088fa30f2157"></a><!-- doxytag: member="RWFunction::PreimageBound" ref="3133e8d2cbbf5c44925c088fa30f2157" args="() const" --><a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#3133e8d2cbbf5c44925c088fa30f2157">PreimageBound</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="53ac54d4f007c7eddd2b4c771c16b0ea"></a><!-- doxytag: member="RWFunction::ImageBound" ref="53ac54d4f007c7eddd2b4c771c16b0ea" args="() const" --><a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#53ac54d4f007c7eddd2b4c771c16b0ea">ImageBound</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#f326ae91ff9d6719c879861d21d380ac">Validate</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int level) const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">check this object for errors <a href="#f326ae91ff9d6719c879861d21d380ac"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0c9efa849855d8aa9c907d84d3aebd42"></a><!-- doxytag: member="RWFunction::GetVoidValue" ref="0c9efa849855d8aa9c907d84d3aebd42" args="(const char *name, const std::type_info &valueType, void *pValue) const " -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#0c9efa849855d8aa9c907d84d3aebd42">GetVoidValue</a> (const char *name, const std::type_info &valueType, void *pValue) const </td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">to be implemented by derived classes, users should use one of the above functions instead <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#99293c55c055b338bd7c783a7b8c0484">AssignFrom</a> (const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &source)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">assign values from source to this object <a href="#99293c55c055b338bd7c783a7b8c0484"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1476f3beb5848f37216f67778df3eb6e"></a><!-- doxytag: member="RWFunction::GetModulus" ref="1476f3beb5848f37216f67778df3eb6e" args="() const" -->const <a class="el" href="class_integer.html">Integer</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#1476f3beb5848f37216f67778df3eb6e">GetModulus</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5df5efb3885c607ca331929be9938546"></a><!-- doxytag: member="RWFunction::SetModulus" ref="5df5efb3885c607ca331929be9938546" args="(const Integer &n)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_r_w_function.html#5df5efb3885c607ca331929be9938546">SetModulus</a> (const <a class="el" href="class_integer.html">Integer</a> &n)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="132d71605a286f12b5167a0c3f18ffdf"></a><!-- doxytag: member="RWFunction::ApplyRandomizedFunction" ref="132d71605a286f12b5167a0c3f18ffdf" args="(RandomNumberGenerator &rng, const Integer &x) const " --><a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_trapdoor_function.html#132d71605a286f12b5167a0c3f18ffdf">ApplyRandomizedFunction</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, const <a class="el" href="class_integer.html">Integer</a> &x) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="253eb5db8020326f869a4580e21bf5d8"></a><!-- doxytag: member="RWFunction::IsRandomized" ref="253eb5db8020326f869a4580e21bf5d8" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_trapdoor_function.html#253eb5db8020326f869a4580e21bf5d8">IsRandomized</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b85b47c9c3df4cf1030eff786ab11d5b"></a><!-- doxytag: member="RWFunction::MaxPreimage" ref="b85b47c9c3df4cf1030eff786ab11d5b" args="() const" -->virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_trapdoor_function_bounds.html#b85b47c9c3df4cf1030eff786ab11d5b">MaxPreimage</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9b505cf1a3494645998e7e0872b76a72"></a><!-- doxytag: member="RWFunction::MaxImage" ref="9b505cf1a3494645998e7e0872b76a72" args="() const" -->virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_trapdoor_function_bounds.html#9b505cf1a3494645998e7e0872b76a72">MaxImage</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="edb65ba5323f7bb41fc57973566d20cd"></a><!-- doxytag: member="RWFunction::ThrowIfInvalid" ref="edb65ba5323f7bb41fc57973566d20cd" args="(RandomNumberGenerator &rng, unsigned int level) const" -->virtual void </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> &rng, unsigned int level) const</td></tr><tr><td class="mdescLeft"> </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="RWFunction::Save" ref="690c7ce3e765a502b29b47a08c1a4e7b" args="(BufferedTransformation &bt) const " -->virtual void </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> &bt) const </td></tr><tr><td class="mdescLeft"> </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 </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> &bt)</td></tr><tr><td class="mdescLeft"> </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="35720c07870fcda4ae39148f8524274e"></a><!-- doxytag: member="RWFunction::SupportsPrecomputation" ref="35720c07870fcda4ae39148f8524274e" args="() const" -->virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#35720c07870fcda4ae39148f8524274e">SupportsPrecomputation</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight"><dl class="return" compact><dt><b>Returns:</b></dt><dd>whether this object supports precomputation </dd></dl><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#39e512d2ea70d0e967db98c19994a7fd">Precompute</a> (unsigned int n)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">do precomputation <a href="#39e512d2ea70d0e967db98c19994a7fd"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2911ebd9a28efa43dab71e5c12e2c90d"></a><!-- doxytag: member="RWFunction::LoadPrecomputation" ref="2911ebd9a28efa43dab71e5c12e2c90d" args="(BufferedTransformation &storedPrecomputation)" -->virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#2911ebd9a28efa43dab71e5c12e2c90d">LoadPrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &storedPrecomputation)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">retrieve previously saved precomputation <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="839d0f7f3e256b625caf6fd792925ad4"></a><!-- doxytag: member="RWFunction::SavePrecomputation" ref="839d0f7f3e256b625caf6fd792925ad4" args="(BufferedTransformation &storedPrecomputation) const " -->virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#839d0f7f3e256b625caf6fd792925ad4">SavePrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &storedPrecomputation) const </td></tr>⌨️ 快捷键说明
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