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<title>Crypto++: DL_Algorithm_DSA_RFC6979< T, H > 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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<a href="#pub-methods">Public Member Functions</a> |
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<a href="class_d_l___algorithm___d_s_a___r_f_c6979-members.html">List of all members</a> </div>
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<div class="title">DL_Algorithm_DSA_RFC6979< T, H > Class Template Reference</div> </div>
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<p>DSA signature algorithm based on RFC 6979.
<a href="class_d_l___algorithm___d_s_a___r_f_c6979.html#details">More...</a></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for DL_Algorithm_DSA_RFC6979< T, H >:</div>
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<img src="class_d_l___algorithm___d_s_a___r_f_c6979.png" usemap="#DL_5FAlgorithm_5FDSA_5FRFC6979_3C_20T_2C_20H_20_3E_map" alt=""/>
<map id="DL_5FAlgorithm_5FDSA_5FRFC6979_3C_20T_2C_20H_20_3E_map" name="DL_5FAlgorithm_5FDSA_5FRFC6979_3C_20T_2C_20H_20_3E_map">
<area href="class_d_l___algorithm___g_d_s_a.html" title="GDSA algorithm." alt="DL_Algorithm_GDSA< T >" shape="rect" coords="0,56,240,80"/>
<area href="class_deterministic_signature_algorithm.html" title="Interface for deterministic signers." alt="DeterministicSignatureAlgorithm" shape="rect" coords="250,56,490,80"/>
<area href="class_d_l___elgamal_like_signature_algorithm.html" title="Interface for Elgamal-like signature algorithms." alt="DL_ElgamalLikeSignatureAlgorithm< T >" shape="rect" coords="0,0,240,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a5f97f85a30bc29114fc57a3e85046b13"><td class="memItemLeft" align="right" valign="top"><a id="a5f97f85a30bc29114fc57a3e85046b13"></a>
bool </td><td class="memItemRight" valign="bottom"><b>IsProbabilistic</b> () const</td></tr>
<tr class="separator:a5f97f85a30bc29114fc57a3e85046b13"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab58c98659b96786f1c8a823f0f251aee"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___algorithm___d_s_a___r_f_c6979.html#ab58c98659b96786f1c8a823f0f251aee">IsDeterministic</a> () const</td></tr>
<tr class="memdesc:ab58c98659b96786f1c8a823f0f251aee"><td class="mdescLeft"> </td><td class="mdescRight">Signature scheme flag. <a href="#ab58c98659b96786f1c8a823f0f251aee">More...</a><br /></td></tr>
<tr class="separator:ab58c98659b96786f1c8a823f0f251aee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4138d1f4d6c58e4465448c8e283b0d7f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_integer.html">Integer</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___algorithm___d_s_a___r_f_c6979.html#a4138d1f4d6c58e4465448c8e283b0d7f">GenerateRandom</a> (const <a class="el" href="class_integer.html">Integer</a> &x, const <a class="el" href="class_integer.html">Integer</a> &q, const <a class="el" href="class_integer.html">Integer</a> &e) const</td></tr>
<tr class="memdesc:a4138d1f4d6c58e4465448c8e283b0d7f"><td class="mdescLeft"> </td><td class="mdescRight">Generate k. <a href="#a4138d1f4d6c58e4465448c8e283b0d7f">More...</a><br /></td></tr>
<tr class="separator:a4138d1f4d6c58e4465448c8e283b0d7f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_d_l___algorithm___g_d_s_a"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_d_l___algorithm___g_d_s_a')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_d_l___algorithm___g_d_s_a.html">DL_Algorithm_GDSA< T ></a></td></tr>
<tr class="memitem:ab487a0a58eb06bf8133efd360a639075 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___algorithm___g_d_s_a.html#ab487a0a58eb06bf8133efd360a639075">Sign</a> (const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T > &params, const <a class="el" href="class_integer.html">Integer</a> &x, const <a class="el" href="class_integer.html">Integer</a> &k, const <a class="el" href="class_integer.html">Integer</a> &e, <a class="el" href="class_integer.html">Integer</a> &r, <a class="el" href="class_integer.html">Integer</a> &s) const</td></tr>
<tr class="memdesc:ab487a0a58eb06bf8133efd360a639075 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="mdescLeft"> </td><td class="mdescRight">Sign a message using a private key. <a href="class_d_l___algorithm___g_d_s_a.html#ab487a0a58eb06bf8133efd360a639075">More...</a><br /></td></tr>
<tr class="separator:ab487a0a58eb06bf8133efd360a639075 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa88f8827bab1adc8d61a2ba4f87941e7 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___algorithm___g_d_s_a.html#aa88f8827bab1adc8d61a2ba4f87941e7">Verify</a> (const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T > &params, const <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > &publicKey, const <a class="el" href="class_integer.html">Integer</a> &e, const <a class="el" href="class_integer.html">Integer</a> &r, const <a class="el" href="class_integer.html">Integer</a> &s) const</td></tr>
<tr class="memdesc:aa88f8827bab1adc8d61a2ba4f87941e7 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="mdescLeft"> </td><td class="mdescRight">Verify a message using a public key. <a href="class_d_l___algorithm___g_d_s_a.html#aa88f8827bab1adc8d61a2ba4f87941e7">More...</a><br /></td></tr>
<tr class="separator:aa88f8827bab1adc8d61a2ba4f87941e7 inherit pub_methods_class_d_l___algorithm___g_d_s_a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_d_l___elgamal_like_signature_algorithm"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_d_l___elgamal_like_signature_algorithm')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_d_l___elgamal_like_signature_algorithm.html">DL_ElgamalLikeSignatureAlgorithm< T ></a></td></tr>
<tr class="memitem:af5040f7c2b09df00481706dabb3d844d inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><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___elgamal_like_signature_algorithm.html#af5040f7c2b09df00481706dabb3d844d">RecoverPresignature</a> (const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T > &params, const <a class="el" href="class_d_l___public_key.html">DL_PublicKey</a>< T > &publicKey, const <a class="el" href="class_integer.html">Integer</a> &r, const <a class="el" href="class_integer.html">Integer</a> &s) const</td></tr>
<tr class="memdesc:af5040f7c2b09df00481706dabb3d844d inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Recover a Presignature. <a href="class_d_l___elgamal_like_signature_algorithm.html#af5040f7c2b09df00481706dabb3d844d">More...</a><br /></td></tr>
<tr class="separator:af5040f7c2b09df00481706dabb3d844d inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae3b8afddf69e2d1be2e8bda56c4e7c0a inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___elgamal_like_signature_algorithm.html#ae3b8afddf69e2d1be2e8bda56c4e7c0a">RLen</a> (const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T > &params) const</td></tr>
<tr class="memdesc:ae3b8afddf69e2d1be2e8bda56c4e7c0a inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Retrieve R length. <a href="class_d_l___elgamal_like_signature_algorithm.html#ae3b8afddf69e2d1be2e8bda56c4e7c0a">More...</a><br /></td></tr>
<tr class="separator:ae3b8afddf69e2d1be2e8bda56c4e7c0a inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad2324392a1d7e651c064f70fefcafbc7 inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_l___elgamal_like_signature_algorithm.html#ad2324392a1d7e651c064f70fefcafbc7">SLen</a> (const <a class="el" href="class_d_l___group_parameters.html">DL_GroupParameters</a>< T > &params) const</td></tr>
<tr class="memdesc:ad2324392a1d7e651c064f70fefcafbc7 inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Retrieve S length. <a href="class_d_l___elgamal_like_signature_algorithm.html#ad2324392a1d7e651c064f70fefcafbc7">More...</a><br /></td></tr>
<tr class="separator:ad2324392a1d7e651c064f70fefcafbc7 inherit pub_methods_class_d_l___elgamal_like_signature_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
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Static Public Member Functions</h2></td></tr>
<tr class="memitem:a82a8761ab5524d416690a346b9b26d08"><td class="memItemLeft" align="right" valign="top"><a id="a82a8761ab5524d416690a346b9b26d08"></a>
static const char * </td><td class="memItemRight" valign="bottom"><b>StaticAlgorithmName</b> ()</td></tr>
<tr class="separator:a82a8761ab5524d416690a346b9b26d08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_static_methods_class_d_l___algorithm___g_d_s_a"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_class_d_l___algorithm___g_d_s_a')"><img src="closed.png" alt="-"/> Static Public Member Functions inherited from <a class="el" href="class_d_l___algorithm___g_d_s_a.html">DL_Algorithm_GDSA< T ></a></td></tr>
<tr class="memitem:acf1bf12a5a878065ca83b85b69180eee inherit pub_static_methods_class_d_l___algorithm___g_d_s_a"><td class="memItemLeft" align="right" valign="top"><a id="acf1bf12a5a878065ca83b85b69180eee"></a>
static const char * </td><td class="memItemRight" valign="bottom"><b>StaticAlgorithmName</b> ()</td></tr>
<tr class="separator:acf1bf12a5a878065ca83b85b69180eee inherit pub_static_methods_class_d_l___algorithm___g_d_s_a"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class T, class H><br />
class DL_Algorithm_DSA_RFC6979< T, H ></h3>
<p>DSA signature algorithm based on RFC 6979. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>FieldElement type or class </td></tr>
<tr><td class="paramname">H</td><td><a class="el" href="class_hash_transformation.html" title="Interface for hash functions and data processing part of MACs.">HashTransformation</a> derived class </td></tr>
</table>
</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a href="http://tools.ietf.org/rfc/rfc6979.txt">RFC 6979, Deterministic Usage of the Digital Signature Algorithm (DSA) and Elliptic Curve Digital Signature Algorithm (ECDSA)</a> </dd></dl>
<dl class="section since"><dt>Since</dt><dd>Crypto++ 6.0 </dd></dl>
<p class="definition">Definition at line <a class="el" href="gfpcrypt_8h_source.html#l00231">231</a> of file <a class="el" href="gfpcrypt_8h_source.html">gfpcrypt.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="ab58c98659b96786f1c8a823f0f251aee"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab58c98659b96786f1c8a823f0f251aee">◆ </a></span>IsDeterministic()</h2>
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<div class="memproto">
<div class="memtemplate">
template<class T, class H> </div>
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<td class="memname">bool <a class="el" href="class_d_l___algorithm___d_s_a___r_f_c6979.html">DL_Algorithm_DSA_RFC6979</a>< T, H >::IsDeterministic </td>
<td>(</td>
<td class="paramname"></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>
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<p>Signature scheme flag. </p>
<dl class="section return"><dt>Returns</dt><dd>true if the signature scheme is deterministic, false otherwise</dd></dl>
<p><a class="el" href="class_d_l___algorithm___d_s_a___r_f_c6979.html#ab58c98659b96786f1c8a823f0f251aee" title="Signature scheme flag.">IsDeterministic()</a> is provided for DL signers. It is used by RFC 6979 signature schemes. </p>
<p>Reimplemented from <a class="el" href="class_d_l___elgamal_like_signature_algorithm.html#a0e463485352ef3c352acc4d9af2c258d">DL_ElgamalLikeSignatureAlgorithm< T ></a>.</p>
<p class="definition">Definition at line <a class="el" href="gfpcrypt_8h_source.html#l00240">240</a> of file <a class="el" href="gfpcrypt_8h_source.html">gfpcrypt.h</a>.</p>
</div>
</div>
<a id="a4138d1f4d6c58e4465448c8e283b0d7f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4138d1f4d6c58e4465448c8e283b0d7f">◆ </a></span>GenerateRandom()</h2>
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<div class="memtemplate">
template<class T, class H> </div>
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<td class="mlabels-left">
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<td class="memname"><a class="el" href="class_integer.html">Integer</a> <a class="el" href="class_d_l___algorithm___d_s_a___r_f_c6979.html">DL_Algorithm_DSA_RFC6979</a>< T, H >::GenerateRandom </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="class_integer.html">Integer</a> & </td>
<td class="paramname"><em>x</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>q</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>e</em> </td>
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<td></td>
<td>)</td>
<td></td><td> const</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
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<p>Generate k. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">x</td><td>private key </td></tr>
<tr><td class="paramname">q</td><td>subgroup generator </td></tr>
<tr><td class="paramname">e</td><td>encoded message </td></tr>
</table>
</dd>
</dl>
<p>Implements <a class="el" href="class_deterministic_signature_algorithm.html#ad8f00101da71d2838a61d4481ae9eb66">DeterministicSignatureAlgorithm</a>.</p>
<p class="definition">Definition at line <a class="el" href="gfpcrypt_8h_source.html#l00244">244</a> of file <a class="el" href="gfpcrypt_8h_source.html">gfpcrypt.h</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="gfpcrypt_8h_source.html">gfpcrypt.h</a></li>
</ul>
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