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<title>Crypto++: DL_GroupParameters< T > Class Template Reference</title>
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<div id="projectname">Crypto++
 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<div class="title">DL_GroupParameters< T > Class Template Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
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<p>Interface for Discrete Log (DL) group parameters.
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for DL_GroupParameters< T >:</div>
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Public Types</h2></td></tr>
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typedef T </td><td class="memItemRight" valign="bottom"><b>Element</b></td></tr>
<tr class="separator:a571dc0fc769ed7fa2037f70681cb94c7"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a1f25ebabec85af46cf34e2239f9612e3"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a1f25ebabec85af46cf34e2239f9612e3">Validate</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int level) const</td></tr>
<tr class="memdesc:a1f25ebabec85af46cf34e2239f9612e3"><td class="mdescLeft"> </td><td class="mdescRight">Check this object for errors. <a href="#a1f25ebabec85af46cf34e2239f9612e3">More...</a><br /></td></tr>
<tr class="separator:a1f25ebabec85af46cf34e2239f9612e3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a188a4a18b48f415c4027d4689f3a40fa"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a188a4a18b48f415c4027d4689f3a40fa">GetVoidValue</a> (const char *name, const std::type_info &valueType, void *pValue) const</td></tr>
<tr class="memdesc:a188a4a18b48f415c4027d4689f3a40fa"><td class="mdescLeft"> </td><td class="mdescRight">Get a named value. <a href="#a188a4a18b48f415c4027d4689f3a40fa">More...</a><br /></td></tr>
<tr class="separator:a188a4a18b48f415c4027d4689f3a40fa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a16618ee944a0d680a557933cb05c72eb"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a16618ee944a0d680a557933cb05c72eb">SupportsPrecomputation</a> () const</td></tr>
<tr class="memdesc:a16618ee944a0d680a557933cb05c72eb"><td class="mdescLeft"> </td><td class="mdescRight">Determines whether the object supports precomputation. <a href="#a16618ee944a0d680a557933cb05c72eb">More...</a><br /></td></tr>
<tr class="separator:a16618ee944a0d680a557933cb05c72eb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5f04ae8b4d0b9410a046af1607fbbb6f"><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 class="memdesc:a5f04ae8b4d0b9410a046af1607fbbb6f"><td class="mdescLeft"> </td><td class="mdescRight">Perform precomputation. <a href="#a5f04ae8b4d0b9410a046af1607fbbb6f">More...</a><br /></td></tr>
<tr class="separator:a5f04ae8b4d0b9410a046af1607fbbb6f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9b8c93a87802ef09dc546a994c850697"><td class="memItemLeft" align="right" valign="top">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 class="memdesc:a9b8c93a87802ef09dc546a994c850697"><td class="mdescLeft"> </td><td class="mdescRight">Retrieve previously saved precomputation. <a href="#a9b8c93a87802ef09dc546a994c850697">More...</a><br /></td></tr>
<tr class="separator:a9b8c93a87802ef09dc546a994c850697"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0fb6af3d0d981ddb2ba9a6f1e83ec11f"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a0fb6af3d0d981ddb2ba9a6f1e83ec11f">SavePrecomputation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &storedPrecomputation) const</td></tr>
<tr class="memdesc:a0fb6af3d0d981ddb2ba9a6f1e83ec11f"><td class="mdescLeft"> </td><td class="mdescRight">Save precomputation for later use. <a href="#a0fb6af3d0d981ddb2ba9a6f1e83ec11f">More...</a><br /></td></tr>
<tr class="separator:a0fb6af3d0d981ddb2ba9a6f1e83ec11f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8537f155cb10263bf7014ad676d1c70b"><td class="memItemLeft" align="right" valign="top">virtual const Element & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a8537f155cb10263bf7014ad676d1c70b">GetSubgroupGenerator</a> () const</td></tr>
<tr class="memdesc:a8537f155cb10263bf7014ad676d1c70b"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the subgroup generator. <a href="#a8537f155cb10263bf7014ad676d1c70b">More...</a><br /></td></tr>
<tr class="separator:a8537f155cb10263bf7014ad676d1c70b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1a1a563684f26dc72c212fb3d7b4173d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a1a1a563684f26dc72c212fb3d7b4173d">SetSubgroupGenerator</a> (const Element &base)</td></tr>
<tr class="memdesc:a1a1a563684f26dc72c212fb3d7b4173d"><td class="mdescLeft"> </td><td class="mdescRight">Sets the subgroup generator. <a href="#a1a1a563684f26dc72c212fb3d7b4173d">More...</a><br /></td></tr>
<tr class="separator:a1a1a563684f26dc72c212fb3d7b4173d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae5bf9692b8879e0ed5ad7e16a696818d"><td class="memItemLeft" align="right" valign="top">virtual Element </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#ae5bf9692b8879e0ed5ad7e16a696818d">ExponentiateBase</a> (const <a class="el" href="class_integer.html">Integer</a> &exponent) const</td></tr>
<tr class="memdesc:ae5bf9692b8879e0ed5ad7e16a696818d"><td class="mdescLeft"> </td><td class="mdescRight">Exponentiates the base. <a href="#ae5bf9692b8879e0ed5ad7e16a696818d">More...</a><br /></td></tr>
<tr class="separator:ae5bf9692b8879e0ed5ad7e16a696818d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a11e487f345f8f9831f550647c0a609b0"><td class="memItemLeft" align="right" valign="top">virtual Element </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a11e487f345f8f9831f550647c0a609b0">ExponentiateElement</a> (const Element &base, const <a class="el" href="class_integer.html">Integer</a> &exponent) const</td></tr>
<tr class="memdesc:a11e487f345f8f9831f550647c0a609b0"><td class="mdescLeft"> </td><td class="mdescRight">Exponentiates an element. <a href="#a11e487f345f8f9831f550647c0a609b0">More...</a><br /></td></tr>
<tr class="separator:a11e487f345f8f9831f550647c0a609b0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2ec36943206354a6744e68befde4bae9"><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="class_d_l___group_precomputation.html">DL_GroupPrecomputation</a>< Element > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a2ec36943206354a6744e68befde4bae9">GetGroupPrecomputation</a> () const =0</td></tr>
<tr class="memdesc:a2ec36943206354a6744e68befde4bae9"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the group precomputation. <a href="#a2ec36943206354a6744e68befde4bae9">More...</a><br /></td></tr>
<tr class="separator:a2ec36943206354a6744e68befde4bae9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3d10dce08641998e06bdd029ffa52a82"><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a>< Element > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a3d10dce08641998e06bdd029ffa52a82">GetBasePrecomputation</a> () const =0</td></tr>
<tr class="memdesc:a3d10dce08641998e06bdd029ffa52a82"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the group precomputation. <a href="#a3d10dce08641998e06bdd029ffa52a82">More...</a><br /></td></tr>
<tr class="separator:a3d10dce08641998e06bdd029ffa52a82"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a812c5fc65e7872b5dc004dfb463eafcd"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a>< Element > & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a812c5fc65e7872b5dc004dfb463eafcd">AccessBasePrecomputation</a> ()=0</td></tr>
<tr class="memdesc:a812c5fc65e7872b5dc004dfb463eafcd"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the group precomputation. <a href="#a812c5fc65e7872b5dc004dfb463eafcd">More...</a><br /></td></tr>
<tr class="separator:a812c5fc65e7872b5dc004dfb463eafcd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeff4e59562d2c9b0ffc6b677e8ce409a"><td class="memItemLeft" align="right" valign="top">virtual const <a class="el" href="class_integer.html">Integer</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#aeff4e59562d2c9b0ffc6b677e8ce409a">GetSubgroupOrder</a> () const =0</td></tr>
<tr class="memdesc:aeff4e59562d2c9b0ffc6b677e8ce409a"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the subgroup order. <a href="#aeff4e59562d2c9b0ffc6b677e8ce409a">More...</a><br /></td></tr>
<tr class="separator:aeff4e59562d2c9b0ffc6b677e8ce409a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7275e04a4d21d985e698bb191e6cbdf1"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a7275e04a4d21d985e698bb191e6cbdf1">GetMaxExponent</a> () const =0</td></tr>
<tr class="memdesc:a7275e04a4d21d985e698bb191e6cbdf1"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the maximum exponent for the group. <a href="#a7275e04a4d21d985e698bb191e6cbdf1">More...</a><br /></td></tr>
<tr class="separator:a7275e04a4d21d985e698bb191e6cbdf1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5b8ca75b306fa0d41821ef276e876c1c"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a5b8ca75b306fa0d41821ef276e876c1c">GetGroupOrder</a> () const</td></tr>
<tr class="memdesc:a5b8ca75b306fa0d41821ef276e876c1c"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the order of the group. <a href="#a5b8ca75b306fa0d41821ef276e876c1c">More...</a><br /></td></tr>
<tr class="separator:a5b8ca75b306fa0d41821ef276e876c1c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1a7a2e50499872d2be408aa36621bf91"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a1a7a2e50499872d2be408aa36621bf91">GetCofactor</a> () const</td></tr>
<tr class="memdesc:a1a7a2e50499872d2be408aa36621bf91"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the cofactor. <a href="#a1a7a2e50499872d2be408aa36621bf91">More...</a><br /></td></tr>
<tr class="separator:a1a7a2e50499872d2be408aa36621bf91"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8ef60e89b4f1cc0b72f672c19ed43fc7"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a8ef60e89b4f1cc0b72f672c19ed43fc7">GetEncodedElementSize</a> (bool reversible) const =0</td></tr>
<tr class="memdesc:a8ef60e89b4f1cc0b72f672c19ed43fc7"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves the encoded element's size. <a href="#a8ef60e89b4f1cc0b72f672c19ed43fc7">More...</a><br /></td></tr>
<tr class="separator:a8ef60e89b4f1cc0b72f672c19ed43fc7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a71c6058bd5ddcd54bd36565b0ba0cae0"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a71c6058bd5ddcd54bd36565b0ba0cae0">EncodeElement</a> (bool reversible, const Element &element, byte *encoded) const =0</td></tr>
<tr class="memdesc:a71c6058bd5ddcd54bd36565b0ba0cae0"><td class="mdescLeft"> </td><td class="mdescRight">Encodes the element. <a href="#a71c6058bd5ddcd54bd36565b0ba0cae0">More...</a><br /></td></tr>
<tr class="separator:a71c6058bd5ddcd54bd36565b0ba0cae0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af3dc6d48394c356bb30dc72371aa02e7"><td class="memItemLeft" align="right" valign="top">virtual Element </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#af3dc6d48394c356bb30dc72371aa02e7">DecodeElement</a> (const byte *encoded, bool checkForGroupMembership) const =0</td></tr>
<tr class="memdesc:af3dc6d48394c356bb30dc72371aa02e7"><td class="mdescLeft"> </td><td class="mdescRight">Decodes the element. <a href="#af3dc6d48394c356bb30dc72371aa02e7">More...</a><br /></td></tr>
<tr class="separator:af3dc6d48394c356bb30dc72371aa02e7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afb36d983bb45fe3b8acb1767c0060700"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#afb36d983bb45fe3b8acb1767c0060700">ConvertElementToInteger</a> (const Element &element) const =0</td></tr>
<tr class="memdesc:afb36d983bb45fe3b8acb1767c0060700"><td class="mdescLeft"> </td><td class="mdescRight">Converts an element to an <a class="el" href="class_integer.html" title="Multiple precision integer with arithmetic operations.">Integer</a>. <a href="#afb36d983bb45fe3b8acb1767c0060700">More...</a><br /></td></tr>
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<tr class="memitem:a36b134bd5e45f2f5399adeaab93cfdcf"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a36b134bd5e45f2f5399adeaab93cfdcf">ValidateGroup</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int level) const =0</td></tr>
<tr class="memdesc:a36b134bd5e45f2f5399adeaab93cfdcf"><td class="mdescLeft"> </td><td class="mdescRight">Check the group for errors. <a href="#a36b134bd5e45f2f5399adeaab93cfdcf">More...</a><br /></td></tr>
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<tr class="memitem:a1e6cc62adbecdd858be49f6f4db15f50"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#a1e6cc62adbecdd858be49f6f4db15f50">ValidateElement</a> (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 class="memdesc:a1e6cc62adbecdd858be49f6f4db15f50"><td class="mdescLeft"> </td><td class="mdescRight">Check the element for errors. <a href="#a1e6cc62adbecdd858be49f6f4db15f50">More...</a><br /></td></tr>
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<tr class="memitem:a462833fb813706933eb9136258f17d40"><td class="memItemLeft" align="right" valign="top"><a id="a462833fb813706933eb9136258f17d40"></a>
virtual bool </td><td class="memItemRight" valign="bottom"><b>FastSubgroupCheckAvailable</b> () const =0</td></tr>
<tr class="separator:a462833fb813706933eb9136258f17d40"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afb67ae388bba22447e45a74f87b2630b"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#afb67ae388bba22447e45a74f87b2630b">IsIdentity</a> (const Element &element) const =0</td></tr>
<tr class="memdesc:afb67ae388bba22447e45a74f87b2630b"><td class="mdescLeft"> </td><td class="mdescRight">Determines if an element is an identity. <a href="#afb67ae388bba22447e45a74f87b2630b">More...</a><br /></td></tr>
<tr class="separator:afb67ae388bba22447e45a74f87b2630b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac11607926a66ce8ba8ae273a5b0464e7"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___group_parameters.html#ac11607926a66ce8ba8ae273a5b0464e7">SimultaneousExponentiate</a> (Element *results, const Element &base, const <a class="el" href="class_integer.html">Integer</a> *exponents, unsigned int exponentsCount) const =0</td></tr>
<tr class="memdesc:ac11607926a66ce8ba8ae273a5b0464e7"><td class="mdescLeft"> </td><td class="mdescRight">Exponentiates a base to multiple exponents. <a href="#ac11607926a66ce8ba8ae273a5b0464e7">More...</a><br /></td></tr>
<tr class="separator:ac11607926a66ce8ba8ae273a5b0464e7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_generatable_crypto_material"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_generatable_crypto_material')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_generatable_crypto_material.html">GeneratableCryptoMaterial</a></td></tr>
<tr class="memitem:abe368b52db1ca7079b690f2d6e605f7a inherit pub_methods_class_generatable_crypto_material"><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#a04be65ada92ccb1e6aac0d94b4cc394b">g_nullNameValuePairs</a>)</td></tr>
<tr class="memdesc:abe368b52db1ca7079b690f2d6e605f7a inherit pub_methods_class_generatable_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Generate a random key or crypto parameters. <a href="class_generatable_crypto_material.html#abe368b52db1ca7079b690f2d6e605f7a">More...</a><br /></td></tr>
<tr class="separator:abe368b52db1ca7079b690f2d6e605f7a inherit pub_methods_class_generatable_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a38d492343c32e530a5c2781b5797f755 inherit pub_methods_class_generatable_crypto_material"><td class="memItemLeft" align="right" valign="top">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 class="memdesc:a38d492343c32e530a5c2781b5797f755 inherit pub_methods_class_generatable_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Generate a random key or crypto parameters. <a href="class_generatable_crypto_material.html#a38d492343c32e530a5c2781b5797f755">More...</a><br /></td></tr>
<tr class="separator:a38d492343c32e530a5c2781b5797f755 inherit pub_methods_class_generatable_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_crypto_material"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_crypto_material')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_crypto_material.html">CryptoMaterial</a></td></tr>
<tr class="memitem:a20181c1b39a74a9fe91385b025b773c6 inherit pub_methods_class_crypto_material"><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 class="memdesc:a20181c1b39a74a9fe91385b025b773c6 inherit pub_methods_class_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Assign values to this object. <a href="class_crypto_material.html#a20181c1b39a74a9fe91385b025b773c6">More...</a><br /></td></tr>
<tr class="separator:a20181c1b39a74a9fe91385b025b773c6 inherit pub_methods_class_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aedb65ba5323f7bb41fc57973566d20cd inherit pub_methods_class_crypto_material"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#aedb65ba5323f7bb41fc57973566d20cd">ThrowIfInvalid</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, unsigned int level) const</td></tr>
<tr class="memdesc:aedb65ba5323f7bb41fc57973566d20cd inherit pub_methods_class_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Check this object for errors. <a href="class_crypto_material.html#aedb65ba5323f7bb41fc57973566d20cd">More...</a><br /></td></tr>
<tr class="separator:aedb65ba5323f7bb41fc57973566d20cd inherit pub_methods_class_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a12d0186a42abb68cfc3538c1fe3e3de4 inherit pub_methods_class_crypto_material"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#a12d0186a42abb68cfc3538c1fe3e3de4">Save</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &bt) const</td></tr>
<tr class="memdesc:a12d0186a42abb68cfc3538c1fe3e3de4 inherit pub_methods_class_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Saves a key to a <a class="el" href="class_buffered_transformation.html" title="Interface for buffered transformations.">BufferedTransformation</a>. <a href="class_crypto_material.html#a12d0186a42abb68cfc3538c1fe3e3de4">More...</a><br /></td></tr>
<tr class="separator:a12d0186a42abb68cfc3538c1fe3e3de4 inherit pub_methods_class_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae7a94de4c3d3822070db5babbdf8b113 inherit pub_methods_class_crypto_material"><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 class="memdesc:ae7a94de4c3d3822070db5babbdf8b113 inherit pub_methods_class_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Loads a key from a <a class="el" href="class_buffered_transformation.html" title="Interface for buffered transformations.">BufferedTransformation</a>. <a href="class_crypto_material.html#ae7a94de4c3d3822070db5babbdf8b113">More...</a><br /></td></tr>
<tr class="separator:ae7a94de4c3d3822070db5babbdf8b113 inherit pub_methods_class_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa1da44802c5cf00946043922cb9e7e6e inherit pub_methods_class_crypto_material"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_crypto_material.html#aa1da44802c5cf00946043922cb9e7e6e">DoQuickSanityCheck</a> () const</td></tr>
<tr class="memdesc:aa1da44802c5cf00946043922cb9e7e6e inherit pub_methods_class_crypto_material"><td class="mdescLeft"> </td><td class="mdescRight">Perform a quick sanity check. <a href="class_crypto_material.html#aa1da44802c5cf00946043922cb9e7e6e">More...</a><br /></td></tr>
<tr class="separator:aa1da44802c5cf00946043922cb9e7e6e inherit pub_methods_class_crypto_material"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_name_value_pairs"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_name_value_pairs')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_name_value_pairs.html">NameValuePairs</a></td></tr>
<tr class="memitem:a3401528f3d69d70f200086501b8af282 inherit pub_methods_class_name_value_pairs"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
<tr class="memitem:a3401528f3d69d70f200086501b8af282 inherit pub_methods_class_name_value_pairs"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a3401528f3d69d70f200086501b8af282">GetThisObject</a> (T &object) const</td></tr>
<tr class="memdesc:a3401528f3d69d70f200086501b8af282 inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a copy of this object or subobject. <a href="class_name_value_pairs.html#a3401528f3d69d70f200086501b8af282">More...</a><br /></td></tr>
<tr class="separator:a3401528f3d69d70f200086501b8af282 inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abce7b413ce1345ab7b7d05fa3d1834f5 inherit pub_methods_class_name_value_pairs"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
<tr class="memitem:abce7b413ce1345ab7b7d05fa3d1834f5 inherit pub_methods_class_name_value_pairs"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#abce7b413ce1345ab7b7d05fa3d1834f5">GetThisPointer</a> (T *&ptr) const</td></tr>
<tr class="memdesc:abce7b413ce1345ab7b7d05fa3d1834f5 inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a pointer to this object. <a href="class_name_value_pairs.html#abce7b413ce1345ab7b7d05fa3d1834f5">More...</a><br /></td></tr>
<tr class="separator:abce7b413ce1345ab7b7d05fa3d1834f5 inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5357c3a09602e44671d1e42cb9a9408d inherit pub_methods_class_name_value_pairs"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
<tr class="memitem:a5357c3a09602e44671d1e42cb9a9408d inherit pub_methods_class_name_value_pairs"><td class="memTemplItemLeft" align="right" valign="top">bool </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a5357c3a09602e44671d1e42cb9a9408d">GetValue</a> (const char *name, T &value) const</td></tr>
<tr class="memdesc:a5357c3a09602e44671d1e42cb9a9408d inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a named value. <a href="class_name_value_pairs.html#a5357c3a09602e44671d1e42cb9a9408d">More...</a><br /></td></tr>
<tr class="separator:a5357c3a09602e44671d1e42cb9a9408d inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4daf1ef67b547c6be96188a43e5ec05e inherit pub_methods_class_name_value_pairs"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
<tr class="memitem:a4daf1ef67b547c6be96188a43e5ec05e inherit pub_methods_class_name_value_pairs"><td class="memTemplItemLeft" align="right" valign="top">T </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a4daf1ef67b547c6be96188a43e5ec05e">GetValueWithDefault</a> (const char *name, T defaultValue) const</td></tr>
<tr class="memdesc:a4daf1ef67b547c6be96188a43e5ec05e inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a named value. <a href="class_name_value_pairs.html#a4daf1ef67b547c6be96188a43e5ec05e">More...</a><br /></td></tr>
<tr class="separator:a4daf1ef67b547c6be96188a43e5ec05e inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a13faea827ee047cd58557282806ed2e1 inherit pub_methods_class_name_value_pairs"><td class="memItemLeft" align="right" valign="top">std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a13faea827ee047cd58557282806ed2e1">GetValueNames</a> () const</td></tr>
<tr class="memdesc:a13faea827ee047cd58557282806ed2e1 inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a list of value names that can be retrieved. <a href="class_name_value_pairs.html#a13faea827ee047cd58557282806ed2e1">More...</a><br /></td></tr>
<tr class="separator:a13faea827ee047cd58557282806ed2e1 inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a94e5b19dc54625799797668ff8627c57 inherit pub_methods_class_name_value_pairs"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a94e5b19dc54625799797668ff8627c57">GetIntValue</a> (const char *name, int &value) const</td></tr>
<tr class="memdesc:a94e5b19dc54625799797668ff8627c57 inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a named value with type int. <a href="class_name_value_pairs.html#a94e5b19dc54625799797668ff8627c57">More...</a><br /></td></tr>
<tr class="separator:a94e5b19dc54625799797668ff8627c57 inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7ddb654b7afcd1a04422a7b4b01366d9 inherit pub_methods_class_name_value_pairs"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#a7ddb654b7afcd1a04422a7b4b01366d9">GetIntValueWithDefault</a> (const char *name, int defaultValue) const</td></tr>
<tr class="memdesc:a7ddb654b7afcd1a04422a7b4b01366d9 inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Get a named value with type int, with default. <a href="class_name_value_pairs.html#a7ddb654b7afcd1a04422a7b4b01366d9">More...</a><br /></td></tr>
<tr class="separator:a7ddb654b7afcd1a04422a7b4b01366d9 inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af28f6e7abf98606d8146bfda271e99db inherit pub_methods_class_name_value_pairs"><td class="memTemplParams" colspan="2">template<class T > </td></tr>
<tr class="memitem:af28f6e7abf98606d8146bfda271e99db inherit pub_methods_class_name_value_pairs"><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#af28f6e7abf98606d8146bfda271e99db">GetRequiredParameter</a> (const char *className, const char *name, T &value) const</td></tr>
<tr class="memdesc:af28f6e7abf98606d8146bfda271e99db inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves a required name/value pair. <a href="class_name_value_pairs.html#af28f6e7abf98606d8146bfda271e99db">More...</a><br /></td></tr>
<tr class="separator:af28f6e7abf98606d8146bfda271e99db inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acfb673d912e1bc19386bebba9d58c23f inherit pub_methods_class_name_value_pairs"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#acfb673d912e1bc19386bebba9d58c23f">GetRequiredIntParameter</a> (const char *className, const char *name, int &value) const</td></tr>
<tr class="memdesc:acfb673d912e1bc19386bebba9d58c23f inherit pub_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves a required name/value pair. <a href="class_name_value_pairs.html#acfb673d912e1bc19386bebba9d58c23f">More...</a><br /></td></tr>
<tr class="separator:acfb673d912e1bc19386bebba9d58c23f inherit pub_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_static_methods_class_name_value_pairs"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_class_name_value_pairs')"><img src="closed.png" alt="-"/> Static Public Member Functions inherited from <a class="el" href="class_name_value_pairs.html">NameValuePairs</a></td></tr>
<tr class="memitem:ad4b80eeeb5f1f58e3cedb12f02a6b870 inherit pub_static_methods_class_name_value_pairs"><td class="memItemLeft" align="right" valign="top">static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_name_value_pairs.html#ad4b80eeeb5f1f58e3cedb12f02a6b870">ThrowIfTypeMismatch</a> (const char *name, const std::type_info &stored, const std::type_info &retrieving)</td></tr>
<tr class="memdesc:ad4b80eeeb5f1f58e3cedb12f02a6b870 inherit pub_static_methods_class_name_value_pairs"><td class="mdescLeft"> </td><td class="mdescRight">Ensures an expected name and type is present. <a href="class_name_value_pairs.html#ad4b80eeeb5f1f58e3cedb12f02a6b870">More...</a><br /></td></tr>
<tr class="separator:ad4b80eeeb5f1f58e3cedb12f02a6b870 inherit pub_static_methods_class_name_value_pairs"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class T><br />
class DL_GroupParameters< T ></h3>
<p>Interface for Discrete Log (DL) group parameters. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>element in the group</td></tr>
</table>
</dd>
</dl>
<p>The element is usually an <a class="el" href="class_integer.html" title="Multiple precision integer with arithmetic operations.">Integer</a>, <a class="el" href="class_e_c_p.html">ECP::Point</a> or <a class="el" href="class_e_c2_n.html">EC2N::Point</a> </p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00753">753</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a1f25ebabec85af46cf34e2239f9612e3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1f25ebabec85af46cf34e2239f9612e3">◆ </a></span>Validate()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class T> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<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>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Check this object for errors. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">rng</td><td>a <a class="el" href="class_random_number_generator.html" title="Interface for random number generators.">RandomNumberGenerator</a> for objects which use randomized testing </td></tr>
<tr><td class="paramname">level</td><td>the level of thoroughness </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the tests succeed, false otherwise</dd></dl>
<p>There are four levels of thoroughness: </p><ul>
<li>
0 - using this object won't cause a crash or exception </li>
<li>
1 - this object will probably function, and encrypt, sign, other operations correctly </li>
<li>
2 - ensure this object will function correctly, and perform reasonable security checks </li>
<li>
3 - perform reasonable security checks, and do checks that may take a long time </li>
</ul>
<p>Level 0 does not require a <a class="el" href="class_random_number_generator.html" title="Interface for random number generators.">RandomNumberGenerator</a>. A <a class="el" href="cryptlib_8h.html#a1e53479a6d427158247ac1ece3161a6d" title="Random Number Generator that does not produce random numbers.">NullRNG()</a> can be used for level 0. Level 1 may not check for weak keys and such. Levels 2 and 3 are recommended. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_crypto_material.html#aedb65ba5323f7bb41fc57973566d20cd" title="Check this object for errors.">ThrowIfInvalid()</a> </dd></dl>
<p>Implements <a class="el" href="class_crypto_material.html#aaa7d67d0c12712de0e33713c73f5b718">CryptoMaterial</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00765">765</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a188a4a18b48f415c4027d4689f3a40fa">◆ </a></span>GetVoidValue()</h2>
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<td class="memname">bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetVoidValue </td>
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<td class="paramtype">const char * </td>
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<td class="paramkey"></td>
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<td class="paramname"><em>valueType</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">void * </td>
<td class="paramname"><em>pValue</em> </td>
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<p>Get a named value. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>the name of the object or value to retrieve </td></tr>
<tr><td class="paramname">valueType</td><td>reference to a variable that receives the value </td></tr>
<tr><td class="paramname">pValue</td><td>void pointer to a variable that receives the value </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the value was retrieved, false otherwise</dd></dl>
<p><a class="el" href="class_d_l___group_parameters.html#a188a4a18b48f415c4027d4689f3a40fa" title="Get a named value.">GetVoidValue()</a> retrieves the value of name if it exists. </p><dl class="section note"><dt>Note</dt><dd><a class="el" href="class_d_l___group_parameters.html#a188a4a18b48f415c4027d4689f3a40fa" title="Get a named value.">GetVoidValue()</a> is an internal function and should be implemented by derived classes. Users should use one of the other functions instead. </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_name_value_pairs.html#a5357c3a09602e44671d1e42cb9a9408d" title="Get a named value.">GetValue()</a>, <a class="el" href="class_name_value_pairs.html#a4daf1ef67b547c6be96188a43e5ec05e" title="Get a named value.">GetValueWithDefault()</a>, <a class="el" href="class_name_value_pairs.html#a94e5b19dc54625799797668ff8627c57" title="Get a named value with type int.">GetIntValue()</a>, <a class="el" href="class_name_value_pairs.html#a7ddb654b7afcd1a04422a7b4b01366d9" title="Get a named value with type int, with default.">GetIntValueWithDefault()</a>, <a class="el" href="class_name_value_pairs.html#af28f6e7abf98606d8146bfda271e99db" title="Retrieves a required name/value pair.">GetRequiredParameter()</a> and <a class="el" href="class_name_value_pairs.html#acfb673d912e1bc19386bebba9d58c23f" title="Retrieves a required name/value pair.">GetRequiredIntParameter()</a> </dd></dl>
<p>Implements <a class="el" href="class_name_value_pairs.html#a9fc3f5c4480d53b8104c67ca7958e332">NameValuePairs</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00781">781</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a16618ee944a0d680a557933cb05c72eb">◆ </a></span>SupportsPrecomputation()</h2>
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<td class="memname">bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::SupportsPrecomputation </td>
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<p>Determines whether the object supports precomputation. </p>
<dl class="section return"><dt>Returns</dt><dd>true if the object supports precomputation, false otherwise </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="Perform precomputation.">Precompute()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a35720c07870fcda4ae39148f8524274e">CryptoMaterial</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00792">792</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5f04ae8b4d0b9410a046af1607fbbb6f">◆ </a></span>Precompute()</h2>
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<td class="memname">void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::Precompute </td>
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<td class="paramtype">unsigned int </td>
<td class="paramname"><em>precomputationStorage</em> = <code>16</code></td><td>)</td>
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<p>Perform precomputation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">precomputationStorage</td><td>the suggested number of objects for the precompute table </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="class_not_implemented.html" title="A method was called which was not implemented.">NotImplemented</a></td><td></td></tr>
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<p>The exact semantics of <a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="Perform precomputation.">Precompute()</a> varies, but it typically means calculate a table of n objects that can be used later to speed up computation.</p>
<p>If a derived class does not override <a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="Perform precomputation.">Precompute()</a>, then the base class throws <a class="el" href="class_not_implemented.html" title="A method was called which was not implemented.">NotImplemented</a>. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_d_l___group_parameters.html#a16618ee944a0d680a557933cb05c72eb" title="Determines whether the object supports precomputation.">SupportsPrecomputation()</a>, <a class="el" href="class_d_l___group_parameters.html#a9b8c93a87802ef09dc546a994c850697" title="Retrieve previously saved precomputation.">LoadPrecomputation()</a>, <a class="el" href="class_d_l___group_parameters.html#a0fb6af3d0d981ddb2ba9a6f1e83ec11f" title="Save precomputation for later use.">SavePrecomputation()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a78380e019615a35d06e951a0f28e0a99">CryptoMaterial</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00802">802</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a9b8c93a87802ef09dc546a994c850697">◆ </a></span>LoadPrecomputation()</h2>
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<td class="memname">void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::LoadPrecomputation </td>
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<td class="paramtype"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="paramname"><em>storedPrecomputation</em></td><td>)</td>
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<p>Retrieve previously saved precomputation. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">storedPrecomputation</td><td><a class="el" href="class_buffered_transformation.html" title="Interface for buffered transformations.">BufferedTransformation</a> with the saved precomputation </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="class_not_implemented.html" title="A method was called which was not implemented.">NotImplemented</a></td><td></td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_d_l___group_parameters.html#a16618ee944a0d680a557933cb05c72eb" title="Determines whether the object supports precomputation.">SupportsPrecomputation()</a>, <a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="Perform precomputation.">Precompute()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a2911ebd9a28efa43dab71e5c12e2c90d">CryptoMaterial</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00811">811</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a0fb6af3d0d981ddb2ba9a6f1e83ec11f">◆ </a></span>SavePrecomputation()</h2>
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<td class="memname">void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::SavePrecomputation </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> & </td>
<td class="paramname"><em>storedPrecomputation</em></td><td>)</td>
<td> const</td>
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<p>Save precomputation for later use. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">storedPrecomputation</td><td><a class="el" href="class_buffered_transformation.html" title="Interface for buffered transformations.">BufferedTransformation</a> to write the precomputation </td></tr>
</table>
</dd>
</dl>
<dl class="exception"><dt>Exceptions</dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="class_not_implemented.html" title="A method was called which was not implemented.">NotImplemented</a></td><td></td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_d_l___group_parameters.html#a16618ee944a0d680a557933cb05c72eb" title="Determines whether the object supports precomputation.">SupportsPrecomputation()</a>, <a class="el" href="class_d_l___group_parameters.html#a5f04ae8b4d0b9410a046af1607fbbb6f" title="Perform precomputation.">Precompute()</a> </dd></dl>
<p>Reimplemented from <a class="el" href="class_crypto_material.html#a65b905e1af3efb962c356d49d2c90e73">CryptoMaterial</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00821">821</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8537f155cb10263bf7014ad676d1c70b">◆ </a></span>GetSubgroupGenerator()</h2>
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<td class="memname">virtual const Element& <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetSubgroupGenerator </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Retrieves the subgroup generator. </p>
<dl class="section return"><dt>Returns</dt><dd>the subgroup generator</dd></dl>
<p>The subgroup generator is retrieved from the base precomputation </p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00829">829</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1a1a563684f26dc72c212fb3d7b4173d">◆ </a></span>SetSubgroupGenerator()</h2>
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<td class="memname">virtual void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::SetSubgroupGenerator </td>
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<td class="paramname"><em>base</em></td><td>)</td>
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<p>Sets the subgroup generator. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">base</td><td>the new subgroup generator</td></tr>
</table>
</dd>
</dl>
<p>The subgroup generator is set in the base precomputation </p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00834">834</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ae5bf9692b8879e0ed5ad7e16a696818d">◆ </a></span>ExponentiateBase()</h2>
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<td class="memname">virtual Element <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::ExponentiateBase </td>
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<td class="paramtype">const <a class="el" href="class_integer.html">Integer</a> & </td>
<td class="paramname"><em>exponent</em></td><td>)</td>
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<p>Exponentiates the base. </p>
<dl class="section return"><dt>Returns</dt><dd>the element after exponentiation</dd></dl>
<p><a class="el" href="class_d_l___group_parameters.html#ae5bf9692b8879e0ed5ad7e16a696818d" title="Exponentiates the base.">ExponentiateBase()</a> calls <a class="el" href="class_d_l___group_parameters.html#a3d10dce08641998e06bdd029ffa52a82" title="Retrieves the group precomputation.">GetBasePrecomputation()</a> and then exponentiates. </p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00839">839</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a11e487f345f8f9831f550647c0a609b0">◆ </a></span>ExponentiateElement()</h2>
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<td class="memname">virtual Element <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::ExponentiateElement </td>
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<td class="paramtype">const Element & </td>
<td class="paramname"><em>base</em>, </td>
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<td class="paramkey"></td>
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<td class="paramname"><em>exponent</em> </td>
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<p>Exponentiates an element. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">base</td><td>the base elemenet </td></tr>
<tr><td class="paramname">exponent</td><td>the exponent to raise the base </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the result of the exponentiation</dd></dl>
<p>Internally, <a class="el" href="class_d_l___group_parameters.html#a11e487f345f8f9831f550647c0a609b0" title="Exponentiates an element.">ExponentiateElement()</a> calls <a class="el" href="class_d_l___group_parameters.html#ac11607926a66ce8ba8ae273a5b0464e7" title="Exponentiates a base to multiple exponents.">SimultaneousExponentiate()</a>. </p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00849">849</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2ec36943206354a6744e68befde4bae9">◆ </a></span>GetGroupPrecomputation()</h2>
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<td class="memname">virtual const <a class="el" href="class_d_l___group_precomputation.html">DL_GroupPrecomputation</a><Element>& <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetGroupPrecomputation </td>
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<p>Retrieves the group precomputation. </p>
<dl class="section return"><dt>Returns</dt><dd>a const reference to the group precomputation </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters_impl.html#a6d8848121098fc1e59a4148def34d449">DL_GroupParametersImpl< EcPrecomputation< EC > ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#a6d8848121098fc1e59a4148def34d449">DL_GroupParametersImpl< ModExpPrecomputation, DL_FixedBasePrecomputationImpl< typename ModExpPrecomputation ::Element >, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#a6d8848121098fc1e59a4148def34d449">DL_GroupParametersImpl< GROUP_PRECOMP, BASE_PRECOMP, DL_GroupParameters_IntegerBased ></a>, and <a class="el" href="class_d_l___group_parameters_impl.html#a6d8848121098fc1e59a4148def34d449">DL_GroupParametersImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC, DL_GroupParameters_IntegerBased ></a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a3d10dce08641998e06bdd029ffa52a82">◆ </a></span>GetBasePrecomputation()</h2>
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<td class="memname">virtual const <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a><Element>& <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetBasePrecomputation </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Retrieves the group precomputation. </p>
<dl class="section return"><dt>Returns</dt><dd>a const reference to the group precomputation using a fixed base </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters_impl.html#ad87e2b22a736dda0cf6f5b87bcb7055d">DL_GroupParametersImpl< EcPrecomputation< EC > ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ad87e2b22a736dda0cf6f5b87bcb7055d">DL_GroupParametersImpl< ModExpPrecomputation, DL_FixedBasePrecomputationImpl< typename ModExpPrecomputation ::Element >, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ad87e2b22a736dda0cf6f5b87bcb7055d">DL_GroupParametersImpl< GROUP_PRECOMP, BASE_PRECOMP, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ad87e2b22a736dda0cf6f5b87bcb7055d">DL_GroupParametersImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a3f87996b08487e46f26d2915881c10c9">DL_GroupParameters_IntegerBasedImpl< GROUP_PRECOMP, BASE_PRECOMP ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a3f87996b08487e46f26d2915881c10c9">DL_GroupParameters_IntegerBasedImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#a3f87996b08487e46f26d2915881c10c9">DL_GroupParameters_IntegerBasedImpl< ModExpPrecomputation ></a>, and <a class="el" href="class_d_l___group_parameters___e_c.html#aa1f2c63b588afbfda789194704e68337">DL_GroupParameters_EC< EC ></a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a812c5fc65e7872b5dc004dfb463eafcd">◆ </a></span>AccessBasePrecomputation()</h2>
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<td class="memname">virtual <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a><Element>& <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::AccessBasePrecomputation </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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<p>Retrieves the group precomputation. </p>
<dl class="section return"><dt>Returns</dt><dd>a non-const reference to the group precomputation using a fixed base </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters_impl.html#ae697d28fa013dd60f78b943cdd4fa973">DL_GroupParametersImpl< EcPrecomputation< EC > ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ae697d28fa013dd60f78b943cdd4fa973">DL_GroupParametersImpl< ModExpPrecomputation, DL_FixedBasePrecomputationImpl< typename ModExpPrecomputation ::Element >, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ae697d28fa013dd60f78b943cdd4fa973">DL_GroupParametersImpl< GROUP_PRECOMP, BASE_PRECOMP, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters_impl.html#ae697d28fa013dd60f78b943cdd4fa973">DL_GroupParametersImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC, DL_GroupParameters_IntegerBased ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#aa6f498af673543a7569d67e1c874e90c">DL_GroupParameters_IntegerBasedImpl< GROUP_PRECOMP, BASE_PRECOMP ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#aa6f498af673543a7569d67e1c874e90c">DL_GroupParameters_IntegerBasedImpl< DL_GroupPrecomputation_LUC, DL_BasePrecomputation_LUC ></a>, <a class="el" href="class_d_l___group_parameters___integer_based_impl.html#aa6f498af673543a7569d67e1c874e90c">DL_GroupParameters_IntegerBasedImpl< ModExpPrecomputation ></a>, and <a class="el" href="class_d_l___group_parameters___e_c.html#a265ae70adae244ace472ef7f97052eda">DL_GroupParameters_EC< EC ></a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aeff4e59562d2c9b0ffc6b677e8ce409a">◆ </a></span>GetSubgroupOrder()</h2>
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<td class="memname">virtual const <a class="el" href="class_integer.html">Integer</a>& <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetSubgroupOrder </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Retrieves the subgroup order. </p>
<dl class="section return"><dt>Returns</dt><dd>the order of subgroup generated by the base element </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a731bcb118762c4147d093aff4a1c16ff">DL_GroupParameters_EC< EC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based.html#ae6eb7fd2937f5eee9740d0db173f0475">DL_GroupParameters_IntegerBased</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7275e04a4d21d985e698bb191e6cbdf1">◆ </a></span>GetMaxExponent()</h2>
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<td class="memname">virtual <a class="el" href="class_integer.html">Integer</a> <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetMaxExponent </td>
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<td class="paramname"></td><td>)</td>
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<p>Retrieves the maximum exponent for the group. </p>
<dl class="section return"><dt>Returns</dt><dd>the maximum exponent for the group </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___e_c.html#ac67b130705307b96d52154df07c3e110">DL_GroupParameters_EC< EC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based.html#a578245e653f2d82a084a3c8a32ccdea5">DL_GroupParameters_IntegerBased</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5b8ca75b306fa0d41821ef276e876c1c">◆ </a></span>GetGroupOrder()</h2>
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<td class="memname">virtual <a class="el" href="class_integer.html">Integer</a> <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetGroupOrder </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Retrieves the order of the group. </p>
<dl class="section return"><dt>Returns</dt><dd>the order of the group</dd></dl>
<p>Either <a class="el" href="class_d_l___group_parameters.html#a5b8ca75b306fa0d41821ef276e876c1c" title="Retrieves the order of the group.">GetGroupOrder()</a> or <a class="el" href="class_d_l___group_parameters.html#a1a7a2e50499872d2be408aa36621bf91" title="Retrieves the cofactor.">GetCofactor()</a> must be overridden in a derived class. </p>
<p>Reimplemented in <a class="el" href="class_d_l___group_parameters___integer_based.html#a2aa2e513e93ac6110fafa7c26fd6dcd3">DL_GroupParameters_IntegerBased</a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00879">879</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1a7a2e50499872d2be408aa36621bf91">◆ </a></span>GetCofactor()</h2>
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<td class="memname">virtual <a class="el" href="class_integer.html">Integer</a> <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetCofactor </td>
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<p>Retrieves the cofactor. </p>
<dl class="section return"><dt>Returns</dt><dd>the cofactor</dd></dl>
<p>Either <a class="el" href="class_d_l___group_parameters.html#a5b8ca75b306fa0d41821ef276e876c1c" title="Retrieves the order of the group.">GetGroupOrder()</a> or <a class="el" href="class_d_l___group_parameters.html#a1a7a2e50499872d2be408aa36621bf91" title="Retrieves the cofactor.">GetCofactor()</a> must be overridden in a derived class. </p>
<p>Reimplemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a085c330fb87077f84a652bbe3a30f31e">DL_GroupParameters_EC< EC ></a>.</p>
<p class="definition">Definition at line <a class="el" href="pubkey_8h_source.html#l00884">884</a> of file <a class="el" href="pubkey_8h_source.html">pubkey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8ef60e89b4f1cc0b72f672c19ed43fc7">◆ </a></span>GetEncodedElementSize()</h2>
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<td class="memname">virtual unsigned int <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::GetEncodedElementSize </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>reversible</em></td><td>)</td>
<td> const</td>
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<p>Retrieves the encoded element's size. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">reversible</td><td>flag indicating the encoding format </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>encoded element's size, in bytes</dd></dl>
<p>The format of the encoded element varies by the underlying type of the element and the reversible flag. <a class="el" href="class_d_l___group_parameters.html#a8ef60e89b4f1cc0b72f672c19ed43fc7" title="Retrieves the encoded element's size.">GetEncodedElementSize()</a> must be implemented in a derived class. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="class_d_l___group_parameters.html#a8ef60e89b4f1cc0b72f672c19ed43fc7" title="Retrieves the encoded element's size.">GetEncodedElementSize()</a>, <a class="el" href="class_d_l___group_parameters.html#a71c6058bd5ddcd54bd36565b0ba0cae0" title="Encodes the element.">EncodeElement()</a>, <a class="el" href="class_d_l___group_parameters.html#af3dc6d48394c356bb30dc72371aa02e7" title="Decodes the element.">DecodeElement()</a> </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a571f40bd58cfdcd5f850f2d808ef1a47">DL_GroupParameters_EC< EC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based.html#ac21a614cd38827b2958aada8d0b9dafd">DL_GroupParameters_IntegerBased</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a71c6058bd5ddcd54bd36565b0ba0cae0">◆ </a></span>EncodeElement()</h2>
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<td class="memname">virtual void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::EncodeElement </td>
<td>(</td>
<td class="paramtype">bool </td>
<td class="paramname"><em>reversible</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const Element & </td>
<td class="paramname"><em>element</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">byte * </td>
<td class="paramname"><em>encoded</em> </td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<p>Encodes the element. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">reversible</td><td>flag indicating the encoding format </td></tr>
<tr><td class="paramname">element</td><td>reference to the element to encode </td></tr>
<tr><td class="paramname">encoded</td><td>destination byte array for the encoded element</td></tr>
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</dd>
</dl>
<p><a class="el" href="class_d_l___group_parameters.html#a71c6058bd5ddcd54bd36565b0ba0cae0" title="Encodes the element.">EncodeElement()</a> must be implemented in a derived class. </p><dl class="section pre"><dt>Precondition</dt><dd><code><a class="el" href="misc_8h.html#a2d7e4464ea73d6393ebe78f952253426" title="Counts elements in an array.">COUNTOF(encoded)</a> == <a class="el" href="class_d_l___group_parameters.html#a8ef60e89b4f1cc0b72f672c19ed43fc7" title="Retrieves the encoded element's size.">GetEncodedElementSize()</a></code> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#af3dc6d48394c356bb30dc72371aa02e7">◆ </a></span>DecodeElement()</h2>
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<td class="memname">virtual Element <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::DecodeElement </td>
<td>(</td>
<td class="paramtype">const byte * </td>
<td class="paramname"><em>encoded</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool </td>
<td class="paramname"><em>checkForGroupMembership</em> </td>
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<td>)</td>
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<p>Decodes the element. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">encoded</td><td>byte array with the encoded element </td></tr>
<tr><td class="paramname">checkForGroupMembership</td><td>flag indicating if the element should be validated </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Element after decoding</dd></dl>
<p><a class="el" href="class_d_l___group_parameters.html#af3dc6d48394c356bb30dc72371aa02e7" title="Decodes the element.">DecodeElement()</a> must be implemented in a derived class. </p><dl class="section pre"><dt>Precondition</dt><dd><code><a class="el" href="misc_8h.html#a2d7e4464ea73d6393ebe78f952253426" title="Counts elements in an array.">COUNTOF(encoded)</a> == <a class="el" href="class_d_l___group_parameters.html#a8ef60e89b4f1cc0b72f672c19ed43fc7" title="Retrieves the encoded element's size.">GetEncodedElementSize()</a></code> </dd></dl>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___e_c.html#a5b96e67294bba4020275e159946e06c4">DL_GroupParameters_EC< EC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based.html#a5cd55143b0f07f350d3f5bef5bd19013">DL_GroupParameters_IntegerBased</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afb36d983bb45fe3b8acb1767c0060700">◆ </a></span>ConvertElementToInteger()</h2>
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<td class="memname">virtual <a class="el" href="class_integer.html">Integer</a> <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::ConvertElementToInteger </td>
<td>(</td>
<td class="paramtype">const Element & </td>
<td class="paramname"><em>element</em></td><td>)</td>
<td> const</td>
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<p>Converts an element to an <a class="el" href="class_integer.html" title="Multiple precision integer with arithmetic operations.">Integer</a>. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">element</td><td>the element to convert to an <a class="el" href="class_integer.html" title="Multiple precision integer with arithmetic operations.">Integer</a> </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Element after converting to an <a class="el" href="class_integer.html" title="Multiple precision integer with arithmetic operations.">Integer</a></dd></dl>
<p><a class="el" href="class_d_l___group_parameters.html#afb36d983bb45fe3b8acb1767c0060700" title="Converts an element to an Integer.">ConvertElementToInteger()</a> must be implemented in a derived class. </p>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___integer_based.html#a7b5abc19e80f89d78e102de62a35f7f6">DL_GroupParameters_IntegerBased</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a36b134bd5e45f2f5399adeaab93cfdcf">◆ </a></span>ValidateGroup()</h2>
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<td class="memname">virtual bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::ValidateGroup </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>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>level</em> </td>
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<td></td>
<td>)</td>
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<p>Check the group for errors. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">rng</td><td><a class="el" href="class_random_number_generator.html" title="Interface for random number generators.">RandomNumberGenerator</a> for objects which use randomized testing </td></tr>
<tr><td class="paramname">level</td><td>level of thoroughness </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the tests succeed, false otherwise</dd></dl>
<p>There are four levels of thoroughness: </p><ul>
<li>
0 - using this object won't cause a crash or exception </li>
<li>
1 - this object will probably function, and encrypt, sign, other operations correctly </li>
<li>
2 - ensure this object will function correctly, and perform reasonable security checks </li>
<li>
3 - perform reasonable security checks, and do checks that may take a long time </li>
</ul>
<p>Level 0 does not require a <a class="el" href="class_random_number_generator.html" title="Interface for random number generators.">RandomNumberGenerator</a>. A <a class="el" href="cryptlib_8h.html#a1e53479a6d427158247ac1ece3161a6d" title="Random Number Generator that does not produce random numbers.">NullRNG()</a> can be used for level 0. Level 1 may not check for weak keys and such. Levels 2 and 3 are recommended.</p>
<p><a class="el" href="class_d_l___group_parameters.html#a36b134bd5e45f2f5399adeaab93cfdcf" title="Check the group for errors.">ValidateGroup()</a> must be implemented in a derived class. </p>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___d_s_a.html#aa6928614d0438d0ec6bbac7d5e4289a1">DL_GroupParameters_DSA</a>, <a class="el" href="class_d_l___group_parameters___e_c.html#abb94fcb2a13953b6b1a52a8a881722cd">DL_GroupParameters_EC< EC ></a>, and <a class="el" href="class_d_l___group_parameters___integer_based.html#abe42dee24455ea7aac8edee78012cbad">DL_GroupParameters_IntegerBased</a>.</p>
</div>
</div>
<a id="a1e6cc62adbecdd858be49f6f4db15f50"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a1e6cc62adbecdd858be49f6f4db15f50">◆ </a></span>ValidateElement()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class T> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::ValidateElement </td>
<td>(</td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>level</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const Element & </td>
<td class="paramname"><em>element</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_d_l___fixed_base_precomputation.html">DL_FixedBasePrecomputation</a>< Element > * </td>
<td class="paramname"><em>precomp</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Check the element for errors. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">level</td><td>level of thoroughness </td></tr>
<tr><td class="paramname">element</td><td>element to check </td></tr>
<tr><td class="paramname">precomp</td><td>optional pointer to <a class="el" href="class_d_l___fixed_base_precomputation.html" title="DL_FixedBasePrecomputation interface.">DL_FixedBasePrecomputation</a> </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the tests succeed, false otherwise</dd></dl>
<p>There are four levels of thoroughness: </p><ul>
<li>
0 - using this object won't cause a crash or exception </li>
<li>
1 - this object will probably function, and encrypt, sign, other operations correctly </li>
<li>
2 - ensure this object will function correctly, and perform reasonable security checks </li>
<li>
3 - perform reasonable security checks, and do checks that may take a long time </li>
</ul>
<p>Level 0 performs group membership checks. Level 1 may not check for weak keys and such. Levels 2 and 3 are recommended.</p>
<p><a class="el" href="class_d_l___group_parameters.html#a1e6cc62adbecdd858be49f6f4db15f50" title="Check the element for errors.">ValidateElement()</a> must be implemented in a derived class. </p>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___integer_based.html#adce1f61e6d7556ecebdac14f0018adbf">DL_GroupParameters_IntegerBased</a>.</p>
</div>
</div>
<a id="afb67ae388bba22447e45a74f87b2630b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#afb67ae388bba22447e45a74f87b2630b">◆ </a></span>IsIdentity()</h2>
<div class="memitem">
<div class="memproto">
<div class="memtemplate">
template<class T> </div>
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">virtual bool <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::IsIdentity </td>
<td>(</td>
<td class="paramtype">const Element & </td>
<td class="paramname"><em>element</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Determines if an element is an identity. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">element</td><td>element to check </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>true if the element is an identity, false otherwise</dd></dl>
<p>The identity element or or neutral element is a special element in a group that leaves other elements unchanged when combined with it.</p>
<p><a class="el" href="class_d_l___group_parameters.html#afb67ae388bba22447e45a74f87b2630b" title="Determines if an element is an identity.">IsIdentity()</a> must be implemented in a derived class. </p>
<p>Implemented in <a class="el" href="class_d_l___group_parameters___l_u_c.html#afa12be88f56104dbc99b79064c2265a6">DL_GroupParameters_LUC</a>, and <a class="el" href="class_d_l___group_parameters___g_f_p.html#a650fb0b1e1cf5fd895384cf38a2b1357">DL_GroupParameters_GFP</a>.</p>
</div>
</div>
<a id="ac11607926a66ce8ba8ae273a5b0464e7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac11607926a66ce8ba8ae273a5b0464e7">◆ </a></span>SimultaneousExponentiate()</h2>
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template<class T> </div>
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<tr>
<td class="mlabels-left">
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<tr>
<td class="memname">virtual void <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T >::SimultaneousExponentiate </td>
<td>(</td>
<td class="paramtype">Element * </td>
<td class="paramname"><em>results</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const Element & </td>
<td class="paramname"><em>base</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_integer.html">Integer</a> * </td>
<td class="paramname"><em>exponents</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned int </td>
<td class="paramname"><em>exponentsCount</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Exponentiates a base to multiple exponents. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">results</td><td>an array of Elements </td></tr>
<tr><td class="paramname">base</td><td>the base to raise to the exponents </td></tr>
<tr><td class="paramname">exponents</td><td>an array of exponents </td></tr>
<tr><td class="paramname">exponentsCount</td><td>the number of exponents in the array</td></tr>
</table>
</dd>
</dl>
<p><a class="el" href="class_d_l___group_parameters.html#ac11607926a66ce8ba8ae273a5b0464e7" title="Exponentiates a base to multiple exponents.">SimultaneousExponentiate()</a> raises the base to each exponent in the exponents array and stores the result at the respective position in the results array.</p>
<p><a class="el" href="class_d_l___group_parameters.html#ac11607926a66ce8ba8ae273a5b0464e7" title="Exponentiates a base to multiple exponents.">SimultaneousExponentiate()</a> must be implemented in a derived class. </p><dl class="section pre"><dt>Precondition</dt><dd><code><a class="el" href="misc_8h.html#a2d7e4464ea73d6393ebe78f952253426" title="Counts elements in an array.">COUNTOF(results)</a> == exponentsCount</code> </dd>
<dd>
<code><a class="el" href="misc_8h.html#a2d7e4464ea73d6393ebe78f952253426" title="Counts elements in an array.">COUNTOF(exponents)</a> == exponentsCount</code> </dd></dl>
</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>
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