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<h1>DL_GroupParameters< T > Class Template Reference</h1><!-- doxytag: class="DL_GroupParameters" --><!-- doxytag: inherits="CryptoParameters" -->
<p>interface for DL group parameters
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="pubkey_8h_source.html">pubkey.h</a>></code></p>
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Inheritance diagram for DL_GroupParameters< T >:</div>
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<img src="class_d_l___group_parameters.gif" usemap="#DL_GroupParameters< T >_map" alt=""/>
<map id="DL_GroupParameters< T >_map" name="DL_GroupParameters< T >_map">
<area href="class_crypto_parameters.html" alt="CryptoParameters" shape="rect" coords="0,168,165,192"/>
<area href="class_generatable_crypto_material.html" alt="GeneratableCryptoMaterial" shape="rect" coords="0,112,165,136"/>
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<p><a href="class_d_l___group_parameters-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a571dc0fc769ed7fa2037f70681cb94c7"></a><!-- doxytag: member="DL_GroupParameters::Element" ref="a571dc0fc769ed7fa2037f70681cb94c7" args="" -->
typedef T </td><td class="memItemRight" valign="bottom"><b>Element</b></td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#aa2b615bc7ed3561914a27a8c456258aa">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="#aa2b615bc7ed3561914a27a8c456258aa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae782187e2221e3dc0a00d49116ec7df5"></a><!-- doxytag: member="DL_GroupParameters::GetVoidValue" ref="ae782187e2221e3dc0a00d49116ec7df5" args="(const char *name, const std::type_info &valueType, void *pValue) const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#ae782187e2221e3dc0a00d49116ec7df5">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" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a42a423fd9d31e77a1d36e7da66da12bb">SupportsPrecomputation</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f">Precompute</a> (unsigned int precomputationStorage=16)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">do precomputation <a href="#a5f04ae8b4d0b9410a046af1607fbbb6f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9b8c93a87802ef09dc546a994c850697"></a><!-- doxytag: member="DL_GroupParameters::LoadPrecomputation" ref="a9b8c93a87802ef09dc546a994c850697" args="(BufferedTransformation &storedPrecomputation)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a9b8c93a87802ef09dc546a994c850697">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" align="right" valign="top"><a class="anchor" id="a443eb0933235d77d09da6bc7da24c74c"></a><!-- doxytag: member="DL_GroupParameters::SavePrecomputation" ref="a443eb0933235d77d09da6bc7da24c74c" args="(BufferedTransformation &storedPrecomputation) const " -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a443eb0933235d77d09da6bc7da24c74c">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/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad4b352edae94ff5b87b44ad72a0f91ae"></a><!-- doxytag: member="DL_GroupParameters::GetSubgroupGenerator" ref="ad4b352edae94ff5b87b44ad72a0f91ae" args="() const " -->
virtual const Element & </td><td class="memItemRight" valign="bottom"><b>GetSubgroupGenerator</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1a1a563684f26dc72c212fb3d7b4173d"></a><!-- doxytag: member="DL_GroupParameters::SetSubgroupGenerator" ref="a1a1a563684f26dc72c212fb3d7b4173d" args="(const Element &base)" -->
virtual void </td><td class="memItemRight" valign="bottom"><b>SetSubgroupGenerator</b> (const Element &base)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa49341ced39e6ce13f00eae0c2faad87"></a><!-- doxytag: member="DL_GroupParameters::ExponentiateBase" ref="aa49341ced39e6ce13f00eae0c2faad87" args="(const Integer &exponent) const " -->
virtual Element </td><td class="memItemRight" valign="bottom"><b>ExponentiateBase</b> (const <a class="el" href="class_integer.html">Integer</a> &exponent) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0b49c5d4dbe0b8de7b967d5c6c78e712"></a><!-- doxytag: member="DL_GroupParameters::ExponentiateElement" ref="a0b49c5d4dbe0b8de7b967d5c6c78e712" args="(const Element &base, const Integer &exponent) const " -->
virtual Element </td><td class="memItemRight" valign="bottom"><b>ExponentiateElement</b> (const Element &base, const <a class="el" href="class_integer.html">Integer</a> &exponent) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2ec36943206354a6744e68befde4bae9"></a><!-- doxytag: member="DL_GroupParameters::GetGroupPrecomputation" ref="a2ec36943206354a6744e68befde4bae9" args="() const =0" -->
virtual const <br class="typebreak"/>
<a class="el" href="class_d_l___group_precomputation.html">DL_GroupPrecomputation</a><br class="typebreak"/>
< Element > & </td><td class="memItemRight" valign="bottom"><b>GetGroupPrecomputation</b> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3d10dce08641998e06bdd029ffa52a82"></a><!-- doxytag: member="DL_GroupParameters::GetBasePrecomputation" ref="a3d10dce08641998e06bdd029ffa52a82" args="() const =0" -->
virtual const <br class="typebreak"/>
<a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a><br class="typebreak"/>
< Element > & </td><td class="memItemRight" valign="bottom"><b>GetBasePrecomputation</b> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a812c5fc65e7872b5dc004dfb463eafcd"></a><!-- doxytag: member="DL_GroupParameters::AccessBasePrecomputation" ref="a812c5fc65e7872b5dc004dfb463eafcd" args="()=0" -->
virtual <br class="typebreak"/>
<a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a><br class="typebreak"/>
< Element > & </td><td class="memItemRight" valign="bottom"><b>AccessBasePrecomputation</b> ()=0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aeff4e59562d2c9b0ffc6b677e8ce409a"></a><!-- doxytag: member="DL_GroupParameters::GetSubgroupOrder" ref="aeff4e59562d2c9b0ffc6b677e8ce409a" args="() const =0" -->
virtual const <a class="el" href="class_integer.html">Integer</a> & </td><td class="memItemRight" valign="bottom"><b>GetSubgroupOrder</b> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7275e04a4d21d985e698bb191e6cbdf1"></a><!-- doxytag: member="DL_GroupParameters::GetMaxExponent" ref="a7275e04a4d21d985e698bb191e6cbdf1" args="() const =0" -->
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><b>GetMaxExponent</b> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3a92b3858c4326162ce8130ac14b9c30"></a><!-- doxytag: member="DL_GroupParameters::GetGroupOrder" ref="a3a92b3858c4326162ce8130ac14b9c30" args="() const " -->
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><b>GetGroupOrder</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af2b056922363df906623d96aa803dd90"></a><!-- doxytag: member="DL_GroupParameters::GetCofactor" ref="af2b056922363df906623d96aa803dd90" args="() const " -->
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><b>GetCofactor</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8ef60e89b4f1cc0b72f672c19ed43fc7"></a><!-- doxytag: member="DL_GroupParameters::GetEncodedElementSize" ref="a8ef60e89b4f1cc0b72f672c19ed43fc7" args="(bool reversible) const =0" -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><b>GetEncodedElementSize</b> (bool reversible) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a71c6058bd5ddcd54bd36565b0ba0cae0"></a><!-- doxytag: member="DL_GroupParameters::EncodeElement" ref="a71c6058bd5ddcd54bd36565b0ba0cae0" args="(bool reversible, const Element &element, byte *encoded) const =0" -->
virtual void </td><td class="memItemRight" valign="bottom"><b>EncodeElement</b> (bool reversible, const Element &element, byte *encoded) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af3dc6d48394c356bb30dc72371aa02e7"></a><!-- doxytag: member="DL_GroupParameters::DecodeElement" ref="af3dc6d48394c356bb30dc72371aa02e7" args="(const byte *encoded, bool checkForGroupMembership) const =0" -->
virtual Element </td><td class="memItemRight" valign="bottom"><b>DecodeElement</b> (const byte *encoded, bool checkForGroupMembership) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afb36d983bb45fe3b8acb1767c0060700"></a><!-- doxytag: member="DL_GroupParameters::ConvertElementToInteger" ref="afb36d983bb45fe3b8acb1767c0060700" args="(const Element &element) const =0" -->
virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><b>ConvertElementToInteger</b> (const Element &element) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a36b134bd5e45f2f5399adeaab93cfdcf"></a><!-- doxytag: member="DL_GroupParameters::ValidateGroup" ref="a36b134bd5e45f2f5399adeaab93cfdcf" args="(RandomNumberGenerator &rng, unsigned int level) const =0" -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>ValidateGroup</b> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int level) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1e6cc62adbecdd858be49f6f4db15f50"></a><!-- doxytag: member="DL_GroupParameters::ValidateElement" ref="a1e6cc62adbecdd858be49f6f4db15f50" args="(unsigned int level, const Element &element, const DL_FixedBasePrecomputation< Element > *precomp) const =0" -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>ValidateElement</b> (unsigned int level, const Element &element, const <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a>< Element > *precomp) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a462833fb813706933eb9136258f17d40"></a><!-- doxytag: member="DL_GroupParameters::FastSubgroupCheckAvailable" ref="a462833fb813706933eb9136258f17d40" args="() const =0" -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>FastSubgroupCheckAvailable</b> () const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="afb67ae388bba22447e45a74f87b2630b"></a><!-- doxytag: member="DL_GroupParameters::IsIdentity" ref="afb67ae388bba22447e45a74f87b2630b" args="(const Element &element) const =0" -->
virtual bool </td><td class="memItemRight" valign="bottom"><b>IsIdentity</b> (const Element &element) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac11607926a66ce8ba8ae273a5b0464e7"></a><!-- doxytag: member="DL_GroupParameters::SimultaneousExponentiate" ref="ac11607926a66ce8ba8ae273a5b0464e7" args="(Element *results, const Element &base, const Integer *exponents, unsigned int exponentsCount) const =0" -->
virtual void </td><td class="memItemRight" valign="bottom"><b>SimultaneousExponentiate</b> (Element *results, const Element &base, const <a class="el" href="class_integer.html">Integer</a> *exponents, unsigned int exponentsCount) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_generatable_crypto_material.html#abe368b52db1ca7079b690f2d6e605f7a">GenerateRandom</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &params=<a class="el" href="cryptlib_8h.html#ad3205973dd1afa14090a683154c1109c">g_nullNameValuePairs</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">generate a random key or crypto parameters <a href="#abe368b52db1ca7079b690f2d6e605f7a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a38d492343c32e530a5c2781b5797f755"></a><!-- doxytag: member="DL_GroupParameters::GenerateRandomWithKeySize" ref="a38d492343c32e530a5c2781b5797f755" args="(RandomNumberGenerator &rng, unsigned int keySize)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_generatable_crypto_material.html#a38d492343c32e530a5c2781b5797f755">GenerateRandomWithKeySize</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int keySize)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">calls the above function with a <a class="el" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> object that just specifies "KeySize" <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#a20181c1b39a74a9fe91385b025b773c6">AssignFrom</a> (const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &source)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">assign values from source to this object <a href="#a20181c1b39a74a9fe91385b025b773c6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6843c1d4563fbb0208deb22624e12cce"></a><!-- doxytag: member="DL_GroupParameters::ThrowIfInvalid" ref="a6843c1d4563fbb0208deb22624e12cce" args="(RandomNumberGenerator &rng, unsigned int level) const " -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#a6843c1d4563fbb0208deb22624e12cce">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#aaa7d67d0c12712de0e33713c73f5b718" title="check this object for errors">Validate()</a> test <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a690c7ce3e765a502b29b47a08c1a4e7b"></a><!-- doxytag: member="DL_GroupParameters::Save" ref="a690c7ce3e765a502b29b47a08c1a4e7b" args="(BufferedTransformation &bt) const " -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#a690c7ce3e765a502b29b47a08c1a4e7b">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" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#ae7a94de4c3d3822070db5babbdf8b113">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="#ae7a94de4c3d3822070db5babbdf8b113"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4229d3e3b7c91496cbd944c53336152d"></a><!-- doxytag: member="DL_GroupParameters::DoQuickSanityCheck" ref="a4229d3e3b7c91496cbd944c53336152d" args="() const " -->
void </td><td class="memItemRight" valign="bottom"><b>DoQuickSanityCheck</b> () const </td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="ab7afe4b5e1ced5cc8fa6f695bd7bd98c"></a><!-- doxytag: member="DL_GroupParameters::GetThisObject" ref="ab7afe4b5e1ced5cc8fa6f695bd7bd98c" args="(T &object) const " -->
template<class T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#ab7afe4b5e1ced5cc8fa6f695bd7bd98c">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/></td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="a01c64a1e0a5f667898b4c1968a853c0f"></a><!-- doxytag: member="DL_GroupParameters::GetThisPointer" ref="a01c64a1e0a5f667898b4c1968a853c0f" args="(T *&p) const " -->
template<class T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a01c64a1e0a5f667898b4c1968a853c0f">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/></td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="a96686e9f8d6ce3ab870e516fb72b608e"></a><!-- doxytag: member="DL_GroupParameters::GetValue" ref="a96686e9f8d6ce3ab870e516fb72b608e" args="(const char *name, T &value) const " -->
template<class T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a96686e9f8d6ce3ab870e516fb72b608e">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/></td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="a943b2009297783f1c35bae46efc3b5f7"></a><!-- doxytag: member="DL_GroupParameters::GetValueWithDefault" ref="a943b2009297783f1c35bae46efc3b5f7" args="(const char *name, T defaultValue) const " -->
template<class T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a943b2009297783f1c35bae46efc3b5f7">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/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0db4ff40763578fb2013b18590f44037"></a><!-- doxytag: member="DL_GroupParameters::GetValueNames" ref="a0db4ff40763578fb2013b18590f44037" args="() const " -->
std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a0db4ff40763578fb2013b18590f44037">GetValueNames</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get a list of value names that can be retrieved <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a39b6daefcabcdd07f5ae482a075e1728">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="#a39b6daefcabcdd07f5ae482a075e1728"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac269314685b737912d3499f4a9399618"></a><!-- doxytag: member="DL_GroupParameters::GetIntValueWithDefault" ref="ac269314685b737912d3499f4a9399618" args="(const char *name, int defaultValue) const " -->
int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#ac269314685b737912d3499f4a9399618">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/></td></tr>
<tr><td class="memTemplParams" colspan="2"><a class="anchor" id="ac66048d3bc2a741712486d02e1f75d78"></a><!-- doxytag: member="DL_GroupParameters::GetRequiredParameter" ref="ac66048d3bc2a741712486d02e1f75d78" args="(const char *className, const char *name, T &value) const " -->
template<class T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><b>GetRequiredParameter</b> (const char *className, const char *name, T &value) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1e6596c87ad9c2bb7f2a4d7b2194b949"></a><!-- doxytag: member="DL_GroupParameters::GetRequiredIntParameter" ref="a1e6596c87ad9c2bb7f2a4d7b2194b949" args="(const char *className, const char *name, int &value) const " -->
void </td><td class="memItemRight" valign="bottom"><b>GetRequiredIntParameter</b> (const char *className, const char *name, int &value) const </td></tr>
<tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa50a73b1705adb00ace9463b59696fb7"></a><!-- doxytag: member="DL_GroupParameters::ThrowIfTypeMismatch" ref="aa50a73b1705adb00ace9463b59696fb7" args="(const char *name, const std::type_info &stored, const std::type_info &retrieving)" -->
static void __cdecl </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#aa50a73b1705adb00ace9463b59696fb7">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/></td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a062c4508c8179ca10a7c1553ca031978"></a><!-- doxytag: member="DL_GroupParameters::ParametersChanged" ref="a062c4508c8179ca10a7c1553ca031978" args="()" -->
void </td><td class="memItemRight" valign="bottom"><b>ParametersChanged</b> ()</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class T><br/>
class DL_GroupParameters< T ></h3>
<p>interface for DL group parameters </p>
<p>Definition at line <a class="el" href="pubkey_8h_source.html#l00521">521</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aa2b615bc7ed3561914a27a8c456258aa"></a><!-- doxytag: member="DL_GroupParameters::Validate" ref="aa2b615bc7ed3561914a27a8c456258aa" args="(RandomNumberGenerator &rng, unsigned int level) const " -->
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<div class="memtemplate">
template<class T> </div>
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<tr>
<td class="memname">bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::Validate </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="paramname"> <em>rng</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>level</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [inline, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>check this object for errors </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></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>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if the tests pass </dd></dl>
<p>Implements <a class="el" href="class_crypto_material.html#aaa7d67d0c12712de0e33713c73f5b718">CryptoMaterial</a>.</p>
<p>Definition at line <a class="el" href="pubkey_8h_source.html#l00531">531</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
</div>
</div>
<a class="anchor" id="a42a423fd9d31e77a1d36e7da66da12bb"></a><!-- doxytag: member="DL_GroupParameters::SupportsPrecomputation" ref="a42a423fd9d31e77a1d36e7da66da12bb" args="() const " -->
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<div class="memproto">
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template<class T> </div>
<table class="memname">
<tr>
<td class="memname">bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::SupportsPrecomputation </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [inline, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>whether this object supports precomputation </dd></dl>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a64ab4ff4adfcfc2da59706ac32895b50">CryptoMaterial</a>.</p>
<p>Definition at line <a class="el" href="pubkey_8h_source.html#l00555">555</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
</div>
</div>
<a class="anchor" id="a5f04ae8b4d0b9410a046af1607fbbb6f"></a><!-- doxytag: member="DL_GroupParameters::Precompute" ref="a5f04ae8b4d0b9410a046af1607fbbb6f" args="(unsigned int precomputationStorage=16)" -->
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template<class T> </div>
<table class="memname">
<tr>
<td class="memname">void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::Precompute </td>
<td>(</td>
<td class="paramtype">unsigned int </td>
<td class="paramname"> <em>n</em> = <code>16</code></td>
<td> ) </td>
<td><code> [inline, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>do precomputation </p>
<p>The exact semantics of <a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="do precomputation">Precompute()</a> is varies, but typically it means calculate a table of n objects that can be used later to speed up computation. </p>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a39e512d2ea70d0e967db98c19994a7fd">CryptoMaterial</a>.</p>
<p>Definition at line <a class="el" href="pubkey_8h_source.html#l00557">557</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
</div>
</div>
<a class="anchor" id="abe368b52db1ca7079b690f2d6e605f7a"></a><!-- doxytag: member="DL_GroupParameters::GenerateRandom" ref="abe368b52db1ca7079b690f2d6e605f7a" args="(RandomNumberGenerator &rng, const NameValuePairs &params=g_nullNameValuePairs)" -->
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<td class="memname">virtual void GeneratableCryptoMaterial::GenerateRandom </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="paramname"> <em>rng</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="paramname"> <em>params</em> = <code><a class="el" href="cryptlib_8h.html#ad3205973dd1afa14090a683154c1109c">g_nullNameValuePairs</a></code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [inline, virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>generate a random key or crypto parameters </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>KeyingErr</em> </td><td>if algorithm parameters are invalid, or if a key can't be generated (e.g., if this is a public key object) </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a519a33d073fe5bf2f278a0de75a404ab">DL_GroupParameters_EC< EC ></a>, <a class="el" href="class_invertible_e_s_i_g_n_function.html#a241b733193f9f420f188ca6f57d49c27">InvertibleESIGNFunction</a>, <a class="el" href="class_d_l___group_parameters___integer_based.html#a8c9a79c493a215ca37408bb7ddfb5533">DL_GroupParameters_IntegerBased</a>, <a class="el" href="class_d_l___group_parameters___d_s_a.html#ac83d3668c342b3a1fb367ed7785e27a3">DL_GroupParameters_DSA</a>, <a class="el" href="class_invertible_l_u_c_function.html#af846ecc0f5e8d17267544920bc39f233">InvertibleLUCFunction</a>, <a class="el" href="class_d_l___private_key_impl.html#ab80a3771a5ef623677775f7c5dddb1e0">DL_PrivateKeyImpl< GP ></a>, <a class="el" href="class_invertible_rabin_function.html#a571737380b956b4add10c855484af670">InvertibleRabinFunction</a>, <a class="el" href="class_invertible_r_s_a_function.html#a369c37b8f01c8b64f22baa28811ff72f">InvertibleRSAFunction</a>, <a class="el" href="class_invertible_r_w_function.html#a8953bb59727e0ae2d79071874a793c48">InvertibleRWFunction</a>, and <a class="el" href="class_d_l___private_key_impl.html#ab80a3771a5ef623677775f7c5dddb1e0">DL_PrivateKeyImpl< DL_GroupParameters_EC< EC > ></a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l01120">1120</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
<p>Referenced by <a class="el" href="cryptlib_8cpp_source.html#l00651">GeneratableCryptoMaterial::GenerateRandomWithKeySize()</a>.</p>
</div>
</div>
<a class="anchor" id="a20181c1b39a74a9fe91385b025b773c6"></a><!-- doxytag: member="DL_GroupParameters::AssignFrom" ref="a20181c1b39a74a9fe91385b025b773c6" args="(const NameValuePairs &source)=0" -->
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<td class="memname">virtual void CryptoMaterial::AssignFrom </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="paramname"> <em>source</em></td>
<td> ) </td>
<td><code> [pure virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>assign values from source to this object </p>
<dl class="note"><dt><b>Note:</b></dt><dd>This function can be used to create a public key from a private key. </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a8fa1181ce7cf91f12ba6de286d1da5bd">DL_GroupParameters_EC< EC ></a>, <a class="el" href="class_e_s_i_g_n_function.html#a1ff8229ed7786a13a69d15e5a64e4d21">ESIGNFunction</a>, <a class="el" href="class_invertible_e_s_i_g_n_function.html#aca870e350b30d04a47d452f21e903278">InvertibleESIGNFunction</a>, <a class="el" href="class_d_l___group_parameters___integer_based.html#a151a76c88372bdf98c68be2ad19400e1">DL_GroupParameters_IntegerBased</a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a0d668d2148cf57078a93f3a5a4b4ac2a">DL_GroupParameters_IntegerBasedImpl< GROUP_PRECOMP, BASE_PRECOMP ></a>, <a class="el" href="class_l_u_c_function.html#af6a95ed660e53a5fa07841f139d43ccf">LUCFunction</a>, <a class="el" href="class_invertible_l_u_c_function.html#aaaef1b335de1f76ec61079d1dfd78744">InvertibleLUCFunction</a>, <a class="el" href="class_rabin_function.html#ae585a0d58b1b95579459c2b42eea980c">RabinFunction</a>, <a class="el" href="class_invertible_rabin_function.html#a66594bb7f369e4ecc30bbe6ae62527ea">InvertibleRabinFunction</a>, <a class="el" href="class_r_s_a_function.html#ad2db62b20297a8d9df55171e73fe8de7">RSAFunction</a>, <a class="el" href="class_invertible_r_s_a_function.html#a871fc366191e9c5fae114c06a200c928">InvertibleRSAFunction</a>, <a class="el" href="class_r_w_function.html#a99293c55c055b338bd7c783a7b8c0484">RWFunction</a>, <a class="el" href="class_invertible_r_w_function.html#a56b0314b678c58228671d3c9049f86db">InvertibleRWFunction</a>, <a class="el" href="class_x_t_r___d_h.html#af2456cb49f5b36edaaef3c0cae25a775">XTR_DH</a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a0d668d2148cf57078a93f3a5a4b4ac2a">DL_GroupParameters_IntegerBasedImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a0d668d2148cf57078a93f3a5a4b4ac2a">DL_GroupParameters_IntegerBasedImpl< ModExpPrecomputation ></a>.</p>
</div>
</div>
<a class="anchor" id="ae7a94de4c3d3822070db5babbdf8b113"></a><!-- doxytag: member="DL_GroupParameters::Load" ref="ae7a94de4c3d3822070db5babbdf8b113" args="(BufferedTransformation &bt)" -->
<div class="memitem">
<div class="memproto">
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<td class="memname">virtual void CryptoMaterial::Load </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="paramname"> <em>bt</em></td>
<td> ) </td>
<td><code> [inline, virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>load key from a <a class="el" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>KeyingErr</em> </td><td>if decode fails </td></tr>
</table>
</dd>
</dl>
<dl class="note"><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_invertible_r_s_a_function.html#ad8a540a6369b9043d082b0dc38b99d4b">InvertibleRSAFunction</a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l01085">1085</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
</div>
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<a class="anchor" id="a39b6daefcabcdd07f5ae482a075e1728"></a><!-- doxytag: member="DL_GroupParameters::GetIntValue" ref="a39b6daefcabcdd07f5ae482a075e1728" args="(const char *name, int &value) const " -->
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<td class="memname">bool NameValuePairs::GetIntValue </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"> <em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int & </td>
<td class="paramname"> <em>value</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td> const<code> [inline, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>get a named value with type int </p>
<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>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00282">282</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
<p>Referenced by <a class="el" href="rw_8cpp_source.html#l00088">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#l00163">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>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="pubkey_8h_source.html">pubkey.h</a></li>
</ul>
</div>
<hr size="1"/><address style="text-align: right;"><small>Generated on 9 Dec 2009 for Crypto++ by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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