<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
<title>Crypto++: ESIGNFunction class Reference</title>
<link href="doxygen.css" rel="stylesheet" type="text/css">
</head><body>
<!-- Generated by Doxygen 1.3.7 -->
<div class="qindex"><a class="qindex" href="index.html">Main Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical List</a> | <a class="qindex" href="annotated.html">Class List</a> | <a class="qindex" href="files.html">File List</a> | <a class="qindex" href="namespacemembers.html">Namespace Members</a> | <a class="qindex" href="functions.html">Class Members</a> | <a class="qindex" href="globals.html">File Members</a></div>
<h1>ESIGNFunction Class Reference</h1><code>#include <<a class="el" href="esign_8h-source.html">esign.h</a>></code>
<p>
<p>Inheritance diagram for ESIGNFunction:
<p><center><img src="class_e_s_i_g_n_function.png" usemap="#ESIGNFunction_map" border="0" alt=""></center>
<map name="ESIGNFunction_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_a_s_n1_crypto_material.html" alt="ASN1CryptoMaterial" shape="rect" coords="477,112,658,136">
<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_a_s_n1_object.html" alt="ASN1Object" shape="rect" coords="382,56,563,80">
<area href="class_crypto_material.html" alt="CryptoMaterial" shape="rect" coords="573,56,754,80">
<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_name_value_pairs.html" alt="NameValuePairs" shape="rect" coords="573,0,754,24">
<area href="class_invertible_e_s_i_g_n_function.html" alt="InvertibleESIGNFunction" shape="rect" coords="191,224,372,248">
</map>
<a href="class_e_s_i_g_n_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="esign_8h-source.html#l00015">15</a> of file <a class="el" href="esign_8h-source.html">esign.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="_invertible_e_s_i_g_n_functiona13" doxytag="ESIGNFunction::Initialize" ></a>
void </td><td class="memItemRight" valign=bottom><b>Initialize</b> (const <a class="el" href="class_integer.html">Integer</a> &n, const <a class="el" href="class_integer.html">Integer</a> &e)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_e_s_i_g_n_functiona1" doxytag="ESIGNFunction::BERDecode" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_e_s_i_g_n_function.html#_e_s_i_g_n_functiona1">BERDecode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">decode this object from a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>, using BER (Basic Encoding Rules) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_e_s_i_g_n_functiona2" doxytag="ESIGNFunction::DEREncode" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_e_s_i_g_n_function.html#_e_s_i_g_n_functiona2">DEREncode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">encode this object into a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>, using DER (Distinguished Encoding Rules) <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_e_s_i_g_n_function.html#_e_s_i_g_n_functiona3">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="#_e_s_i_g_n_functiona3"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_e_s_i_g_n_functiona4" doxytag="ESIGNFunction::GetVoidValue" ></a>
bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_e_s_i_g_n_function.html#_e_s_i_g_n_functiona4">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_e_s_i_g_n_function.html#_e_s_i_g_n_functiona5">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="#_e_s_i_g_n_functiona5"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functiona14" doxytag="ESIGNFunction::ApplyFunction" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>ApplyFunction</b> (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="_invertible_e_s_i_g_n_functiona15" doxytag="ESIGNFunction::PreimageBound" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>PreimageBound</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functiona16" doxytag="ESIGNFunction::ImageBound" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>ImageBound</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functiona17" doxytag="ESIGNFunction::GetModulus" ></a>
const <a class="el" href="class_integer.html">Integer</a> & </td><td class="memItemRight" valign=bottom><b>GetModulus</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functiona18" doxytag="ESIGNFunction::GetPublicExponent" ></a>
const <a class="el" href="class_integer.html">Integer</a> & </td><td class="memItemRight" valign=bottom><b>GetPublicExponent</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functiona19" doxytag="ESIGNFunction::SetModulus" ></a>
void </td><td class="memItemRight" valign=bottom><b>SetModulus</b> (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="_invertible_e_s_i_g_n_functiona20" doxytag="ESIGNFunction::SetPublicExponent" ></a>
void </td><td class="memItemRight" valign=bottom><b>SetPublicExponent</b> (const <a class="el" href="class_integer.html">Integer</a> &e)</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_trapdoor_functiona0" doxytag="ESIGNFunction::ApplyRandomizedFunction" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>ApplyRandomizedFunction</b> (<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="_trapdoor_functiona1" doxytag="ESIGNFunction::IsRandomized" ></a>
bool </td><td class="memItemRight" valign=bottom><b>IsRandomized</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_trapdoor_function_boundsa3" doxytag="ESIGNFunction::MaxPreimage" ></a>
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>MaxPreimage</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_trapdoor_function_boundsa4" doxytag="ESIGNFunction::MaxImage" ></a>
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>MaxImage</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha29" doxytag="ESIGNFunction::ThrowIfInvalid" ></a>
virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_crypto_material.html#_x_t_r___d_ha29">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">InvalidMaterial</a> if this object fails Validate() test <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha30" doxytag="ESIGNFunction::Save" ></a>
virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_crypto_material.html#_x_t_r___d_ha30">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">BufferedTransformation</a> <br><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#_x_t_r___d_ha31">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">BufferedTransformation</a> <a href="#_x_t_r___d_ha31"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha32" doxytag="ESIGNFunction::SupportsPrecomputation" ></a>
virtual bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_crypto_material.html#_x_t_r___d_ha32">SupportsPrecomputation</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">whether this object supports precomputation <br><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#_x_t_r___d_ha33">Precompute</a> (unsigned int n)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">do precomputation <a href="#_x_t_r___d_ha33"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha34" doxytag="ESIGNFunction::LoadPrecomputation" ></a>
virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_crypto_material.html#_x_t_r___d_ha34">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><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha35" doxytag="ESIGNFunction::SavePrecomputation" ></a>
virtual void </td><td class="memItemRight" valign=bottom><a class="el" href="class_crypto_material.html#_x_t_r___d_ha35">SavePrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &storedPrecomputation) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">save precomputation for later use <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha36" doxytag="ESIGNFunction::DoQuickSanityCheck" ></a>
void </td><td class="memItemRight" valign=bottom><b>DoQuickSanityCheck</b> () const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha37" doxytag="ESIGNFunction::GetThisObject" ></a>
template<class T> bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha37">GetThisObject</a> (T &object) const</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_x_t_r___d_ha38" doxytag="ESIGNFunction::GetThisPointer" ></a>
template<class T> bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha38">GetThisPointer</a> (T *&p) const</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_x_t_r___d_ha39" doxytag="ESIGNFunction::GetValue" ></a>
template<class T> bool </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha39">GetValue</a> (const char *name, T &value) const</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_x_t_r___d_ha40" doxytag="ESIGNFunction::GetValueWithDefault" ></a>
template<class T> T </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha40">GetValueWithDefault</a> (const char *name, T defaultValue) const</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_x_t_r___d_ha41" doxytag="ESIGNFunction::GetValueNames" ></a>
std::string </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha41">GetValueNames</a> () const</td></tr>
<tr><td class="mdescLeft"> </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 </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha42">GetIntValue</a> (const char *name, int &value) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get a named value with type int <a href="#_x_t_r___d_ha42"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha43" doxytag="ESIGNFunction::GetIntValueWithDefault" ></a>
int </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_ha43">GetIntValueWithDefault</a> (const char *name, int defaultValue) const</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_x_t_r___d_ha44" doxytag="ESIGNFunction::GetRequiredParameter" ></a>
template<class T> void </td><td class="memItemRight" valign=bottom><b>GetRequiredParameter</b> (const char *className, const char *name, T &value) const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x_t_r___d_ha45" doxytag="ESIGNFunction::GetRequiredIntParameter" ></a>
void </td><td class="memItemRight" valign=bottom><b>GetRequiredIntParameter</b> (const char *className, const char *name, int &value) const</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_x509_public_keya8" doxytag="ESIGNFunction::Save" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_a_s_n1_crypto_material.html#_x509_public_keya8">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">BufferedTransformation</a> <br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void </td><td class="memItemRight" valign=bottom><a class="el" href="class_a_s_n1_crypto_material.html#_x509_public_keya9">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">BufferedTransformation</a> <a href="#_x509_public_keya9"></a><br><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_a_s_n1_object.html#_x509_public_keya10">BEREncode</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">encode this object into a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>, using BER <a href="#_x509_public_keya10"></a><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 class="anchor" name="_x_t_r___d_he0" doxytag="ESIGNFunction::ThrowIfTypeMismatch" ></a>
void </td><td class="memItemRight" valign=bottom><a class="el" href="class_name_value_pairs.html#_x_t_r___d_he0">ThrowIfTypeMismatch</a> (const char *name, const std::type_info &stored, const std::type_info &retrieving)</td></tr>
<tr><td class="mdescLeft"> </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 class="anchor" name="_invertible_e_s_i_g_n_functionb0" doxytag="ESIGNFunction::GetK" ></a>
unsigned int </td><td class="memItemRight" valign=bottom><b>GetK</b> () const</td></tr>
<tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functionp2" doxytag="ESIGNFunction::m_n" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>m_n</b></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="anchor" name="_invertible_e_s_i_g_n_functionp3" doxytag="ESIGNFunction::m_e" ></a>
<a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign=bottom><b>m_e</b></td></tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="_e_s_i_g_n_functiona3" doxytag="ESIGNFunction::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 ESIGNFunction::Validate </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="mdname" nowrap> <em>rng</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>unsigned int </td>
<td class="mdname" nowrap> <em>level</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</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></td><td valign=top><em>level</em> </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>
Reimplemented in <a class="el" href="class_invertible_e_s_i_g_n_function.html#_invertible_e_s_i_g_n_functiona5">InvertibleESIGNFunction</a>.
<p>
Definition at line <a class="el" href="esign_8cpp-source.html#l00049">49</a> of file <a class="el" href="esign_8cpp-source.html">esign.cpp</a>.
<p>
References <a class="el" href="integer_8h-source.html#l00257">Integer::IsOdd()</a>, <a class="el" href="integer_8cpp-source.html#l02846">Integer::One()</a>, and <a class="el" href="esign_8cpp-source.html#l00049">Validate()</a>.
<p>
Referenced by <a class="el" href="esign_8cpp-source.html#l00049">Validate()</a>. </td>
</tr>
</table>
<a class="anchor" name="_e_s_i_g_n_functiona5" doxytag="ESIGNFunction::AssignFrom" ></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 ESIGNFunction::AssignFrom </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>source</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<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>
Implements <a class="el" href="class_crypto_material.html#_x509_public_keya11">CryptoMaterial</a>.
<p>
Reimplemented in <a class="el" href="class_invertible_e_s_i_g_n_function.html#_invertible_e_s_i_g_n_functiona7">InvertibleESIGNFunction</a>.
<p>
Definition at line <a class="el" href="esign_8cpp-source.html#l00065">65</a> of file <a class="el" href="esign_8cpp-source.html">esign.cpp</a>.
<p>
References <a class="el" href="esign_8cpp-source.html#l00065">AssignFrom()</a>.
<p>
Referenced by <a class="el" href="esign_8cpp-source.html#l00065">AssignFrom()</a>. </td>
</tr>
</table>
<a class="anchor" name="_x_t_r___d_ha31" doxytag="ESIGNFunction::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">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>bt</em> </td>
<td class="md" valign="top"> ) </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>
</td>
<td>
<p>
load key from a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>
<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>KeyingErr</em> </td><td>if decode fails </td></tr>
</table>
</dl>
<dl compact><dt><b>Note:</b></dt><dd>Generally does not check that the key is valid. Call ValidateKey() or ThrowIfInvalidKey() to check that. </dd></dl>
<p>
Reimplemented in <a class="el" href="class_a_s_n1_crypto_material.html#_x509_public_keya9">ASN1CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00994">994</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
<p>
Referenced by <a class="el" href="cryptlib_8h-source.html#l01060">AsymmetricAlgorithm::BERDecode()</a>. </td>
</tr>
</table>
<a class="anchor" name="_x_t_r___d_ha33" doxytag="ESIGNFunction::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"> virtual void CryptoMaterial::Precompute </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">unsigned int </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> </td>
<td class="md" valign="top"> ) </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>
</td>
<td>
<p>
do precomputation
<p>
The exact semantics of Precompute() is varies, but typically it means calculate a table of n objects that can be used later to speed up computation.
<p>
Reimplemented in <a class="el" href="class_d_l___group_parameters.html#_d_l___group_parametersa4">DL_GroupParameters< T ></a>, <a class="el" href="class_d_l___private_key_impl.html#_d_l___private_key_impla5">DL_PrivateKeyImpl< GP ></a>, <a class="el" href="class_d_l___public_key_impl.html#_d_l___public_key_impla4">DL_PublicKeyImpl< GP ></a>, <a class="el" href="class_d_l___group_parameters.html#_d_l___group_parametersa4">DL_GroupParameters< Integer ></a>, <a class="el" href="class_d_l___group_parameters.html#_d_l___group_parametersa4">DL_GroupParameters< typenameEcPrecomputation< EC >::Element ></a>, <a class="el" href="class_d_l___private_key_impl.html#_d_l___private_key_impla5">DL_PrivateKeyImpl< DL_GroupParameters_EC< EC > ></a>, and <a class="el" href="class_d_l___public_key_impl.html#_d_l___public_key_impla4">DL_PublicKeyImpl< DL_GroupParameters_EC< EC > ></a>.
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l01003">1003</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>. </td>
</tr>
</table>
<a class="anchor" name="_x_t_r___d_ha42" doxytag="ESIGNFunction::GetIntValue" ></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 NameValuePairs::GetIntValue </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const char * </td>
<td class="mdname" nowrap> <em>name</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>int & </td>
<td class="mdname" nowrap> <em>value</em></td>
</tr>
<tr>
<td></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [inline, inherited]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
get a named value with type int
<p>
used to ensure we don't accidentally try to get an unsigned int or some other type when we mean int (which is the most common case)
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00278">278</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
<p>
Referenced by <a class="el" href="rw_8cpp-source.html#l00111">InvertibleRWFunction::GenerateRandom()</a>, <a class="el" href="rsa_8cpp-source.html#l00104">InvertibleRSAFunction::GenerateRandom()</a>, <a class="el" href="rabin_8cpp-source.html#l00075">InvertibleRabinFunction::GenerateRandom()</a>, <a class="el" href="luc_8cpp-source.html#l00107">InvertibleLUCFunction::GenerateRandom()</a>, <a class="el" href="gfpcrypt_8cpp-source.html#l00160">DL_GroupParameters_IntegerBased::GenerateRandom()</a>, <a class="el" href="gfpcrypt_8cpp-source.html#l00026">DL_GroupParameters_DSA::GenerateRandom()</a>, and <a class="el" href="esign_8cpp-source.html#l00075">InvertibleESIGNFunction::GenerateRandom()</a>. </td>
</tr>
</table>
<a class="anchor" name="_x509_public_keya9" doxytag="ESIGNFunction::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"> void ASN1CryptoMaterial::Load </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>bt</em> </td>
<td class="md" valign="top"> ) </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>
</td>
<td>
<p>
load key from a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>
<p>
<dl compact><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td></td><td valign=top><em>KeyingErr</em> </td><td>if decode fails </td></tr>
</table>
</dl>
<dl compact><dt><b>Note:</b></dt><dd>Generally does not check that the key is valid. Call ValidateKey() or ThrowIfInvalidKey() to check that. </dd></dl>
<p>
Reimplemented from <a class="el" href="class_crypto_material.html#_x_t_r___d_ha31">CryptoMaterial</a>.
<p>
Definition at line <a class="el" href="simple_8h-source.html#l00052">52</a> of file <a class="el" href="simple_8h-source.html">simple.h</a>. </td>
</tr>
</table>
<a class="anchor" name="_x509_public_keya10" doxytag="ESIGNFunction::BEREncode" ></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 ASN1Object::BEREncode </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>bt</em> </td>
<td class="md" valign="top"> ) </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>
</td>
<td>
<p>
encode this object into a <a class="el" href="class_buffered_transformation.html">BufferedTransformation</a>, using BER
<p>
this may be useful if DEREncode() would be too inefficient
<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l01561">1561</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="esign_8h-source.html">esign.h</a><li><a class="el" href="esign_8cpp-source.html">esign.cpp</a></ul>
<hr size="1"><address style="align: right;"><small>Generated on Sun Nov 7 08:24:04 2004 for Crypto++ by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 ></a> 1.3.7 </small></address>
</body>
</html>
distrib
>
Mandriva
>
10.2
>
i586
>
media
>
contrib
>
by-pkgid
>
7457b841ac8136d3a1a9d3d960c5252e
>
files
>
430
