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<div class="title">messagesigner.cpp</div> </div>
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<a href="messagesigner_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright (c) 2014-2017 The Dash Core developers</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">// Distributed under the MIT/X11 software license, see the accompanying</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment">// file COPYING or http://www.opensource.org/licenses/mit-license.php.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;</div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="base58_8h.html">base58.h</a>&quot;</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="hash_8h.html">hash.h</a>&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="validation_8h.html">validation.h</a>&quot;</span> <span class="comment">// For strMessageMagic</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="messagesigner_8h.html">messagesigner.h</a>&quot;</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="tinyformat_8h.html">tinyformat.h</a>&quot;</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="utilstrencodings_8h.html">utilstrencodings.h</a>&quot;</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;</div><div class="line"><a name="l00012"></a><span class="lineno"><a class="line" href="classCMessageSigner.html#a19e001b31704eef8c0cf4a885be138cd"> 12</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classCMessageSigner.html#a19e001b31704eef8c0cf4a885be138cd">CMessageSigner::GetKeysFromSecret</a>(<span class="keyword">const</span> std::string strSecret, <a class="code" href="classCKey.html">CKey</a>&amp; keyRet, <a class="code" href="classCPubKey.html">CPubKey</a>&amp; pubkeyRet)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;{</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160; <a class="code" href="classCBitcoinSecret.html">CBitcoinSecret</a> vchSecret;</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160; <span class="keywordflow">if</span>(!vchSecret.<a class="code" href="classCBitcoinSecret.html#a6a8aff02f66099f33f573ad3e6375bb1">SetString</a>(strSecret)) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160; keyRet = vchSecret.<a class="code" href="classCBitcoinSecret.html#a4d6bf559d092e6d47f8001c7171096df">GetKey</a>();</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; pubkeyRet = keyRet.<a class="code" href="classCKey.html#aa1085c59603a62db6ec776300f250337">GetPubKey</a>();</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;}</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="classCMessageSigner.html#a667ae72604fd6a0da8d9d53c55523ff0"> 24</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classCMessageSigner.html#a667ae72604fd6a0da8d9d53c55523ff0">CMessageSigner::SignMessage</a>(<span class="keyword">const</span> std::string strMessage, std::vector&lt;unsigned char&gt;&amp; vchSigRet, <span class="keyword">const</span> <a class="code" href="classCKey.html">CKey</a> <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>)</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;{</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <a class="code" href="classCHashWriter.html">CHashWriter</a> ss(<a class="code" href="serialize_8h.html#ae4d5251432e1a9e6803c0240cc492e18aca6c7596d50ce42f28b5b97f39ba178a">SER_GETHASH</a>, 0);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; ss &lt;&lt; <a class="code" href="validation_8cpp.html#a1cad9567b6474e6096232b14ed6a8476">strMessageMagic</a>;</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160; ss &lt;&lt; strMessage;</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classCHashSigner.html#a283dca9acf09fcfa28cc4541ab211466">CHashSigner::SignHash</a>(ss.<a class="code" href="classCHashWriter.html#ae94a937211502eabf19477630090093a">GetHash</a>(), <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>, vchSigRet);</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;}</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160;</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="classCMessageSigner.html#ab4189ffcd1472cac33f99a425faa4cec"> 33</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classCMessageSigner.html#ab4189ffcd1472cac33f99a425faa4cec">CMessageSigner::VerifyMessage</a>(<span class="keyword">const</span> <a class="code" href="classCPubKey.html">CPubKey</a> pubkey, <span class="keyword">const</span> std::vector&lt;unsigned char&gt;&amp; vchSig, <span class="keyword">const</span> std::string strMessage, std::string&amp; strErrorRet)</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;{</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="classCHashWriter.html">CHashWriter</a> ss(<a class="code" href="serialize_8h.html#ae4d5251432e1a9e6803c0240cc492e18aca6c7596d50ce42f28b5b97f39ba178a">SER_GETHASH</a>, 0);</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160; ss &lt;&lt; <a class="code" href="validation_8cpp.html#a1cad9567b6474e6096232b14ed6a8476">strMessageMagic</a>;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; ss &lt;&lt; strMessage;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; <span class="keywordflow">return</span> <a class="code" href="classCHashSigner.html#a941bca56ae42ff938656c805a1ddc78e">CHashSigner::VerifyHash</a>(ss.<a class="code" href="classCHashWriter.html#ae94a937211502eabf19477630090093a">GetHash</a>(), pubkey, vchSig, strErrorRet);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160;}</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classCHashSigner.html#a283dca9acf09fcfa28cc4541ab211466"> 42</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classCHashSigner.html#a283dca9acf09fcfa28cc4541ab211466">CHashSigner::SignHash</a>(<span class="keyword">const</span> <a class="code" href="classuint256.html">uint256</a>&amp; hash, <span class="keyword">const</span> <a class="code" href="classCKey.html">CKey</a> <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>, std::vector&lt;unsigned char&gt;&amp; vchSigRet)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160;{</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; <span class="keywordflow">return</span> <a class="code" href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">key</a>.SignCompact(hash, vchSigRet);</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160;}</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160;</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="classCHashSigner.html#a941bca56ae42ff938656c805a1ddc78e"> 47</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classCHashSigner.html#a941bca56ae42ff938656c805a1ddc78e">CHashSigner::VerifyHash</a>(<span class="keyword">const</span> <a class="code" href="classuint256.html">uint256</a>&amp; hash, <span class="keyword">const</span> <a class="code" href="classCPubKey.html">CPubKey</a> pubkey, <span class="keyword">const</span> std::vector&lt;unsigned char&gt;&amp; vchSig, std::string&amp; strErrorRet)</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160;{</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <a class="code" href="classCPubKey.html">CPubKey</a> pubkeyFromSig;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; <span class="keywordflow">if</span>(!pubkeyFromSig.<a class="code" href="classCPubKey.html#a169505e735a02db385486b0affeb565c">RecoverCompact</a>(hash, vchSig)) {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; strErrorRet = <span class="stringliteral">&quot;Error recovering public key.&quot;</span>;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160; }</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <span class="keywordflow">if</span>(pubkeyFromSig.<a class="code" href="classCPubKey.html#a2675f7e6f72eff68e7a5227289feb021">GetID</a>() != pubkey.<a class="code" href="classCPubKey.html#a2675f7e6f72eff68e7a5227289feb021">GetID</a>()) {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; strErrorRet = <a class="code" href="tinyformat_8h.html#a56c674871a61baaad36ad52238c08857">strprintf</a>(<span class="stringliteral">&quot;Keys don&#39;t match: pubkey=%s, pubkeyFromSig=%s, hash=%s, vchSig=%s&quot;</span>,</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; pubkey.<a class="code" href="classCPubKey.html#a2675f7e6f72eff68e7a5227289feb021">GetID</a>().<a class="code" href="classbase__blob.html#a7a0d25782830d8b087c4da839f3ccdeb">ToString</a>(), pubkeyFromSig.<a class="code" href="classCPubKey.html#a2675f7e6f72eff68e7a5227289feb021">GetID</a>().<a class="code" href="classbase__blob.html#a7a0d25782830d8b087c4da839f3ccdeb">ToString</a>(), hash.<a class="code" href="classbase__blob.html#a7a0d25782830d8b087c4da839f3ccdeb">ToString</a>(),</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="utilstrencodings_8cpp.html#a5e074135870a6fdfae4ac02047bc0432">EncodeBase64</a>(&amp;vchSig[0], vchSig.size()));</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; }</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;}</div><div class="ttc" id="classCBitcoinSecret_html_a6a8aff02f66099f33f573ad3e6375bb1"><div class="ttname"><a href="classCBitcoinSecret.html#a6a8aff02f66099f33f573ad3e6375bb1">CBitcoinSecret::SetString</a></div><div class="ttdeci">bool SetString(const char *pszSecret)</div><div class="ttdef"><b>Definition:</b> <a href="base58_8cpp_source.html#l00329">base58.cpp:329</a></div></div>
<div class="ttc" id="tinyformat_8h_html_a56c674871a61baaad36ad52238c08857"><div class="ttname"><a href="tinyformat_8h.html#a56c674871a61baaad36ad52238c08857">strprintf</a></div><div class="ttdeci">#define strprintf</div><div class="ttdef"><b>Definition:</b> <a href="tinyformat_8h_source.html#l01011">tinyformat.h:1011</a></div></div>
<div class="ttc" id="messagesigner_8h_html"><div class="ttname"><a href="messagesigner_8h.html">messagesigner.h</a></div></div>
<div class="ttc" id="validation_8h_html"><div class="ttname"><a href="validation_8h.html">validation.h</a></div></div>
<div class="ttc" id="hash_8h_html"><div class="ttname"><a href="hash_8h.html">hash.h</a></div></div>
<div class="ttc" id="classCPubKey_html_a2675f7e6f72eff68e7a5227289feb021"><div class="ttname"><a href="classCPubKey.html#a2675f7e6f72eff68e7a5227289feb021">CPubKey::GetID</a></div><div class="ttdeci">CKeyID GetID() const</div><div class="ttdoc">Get the KeyID of this public key (hash of its serialization) </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8h_source.html#l00144">pubkey.h:144</a></div></div>
<div class="ttc" id="utilstrencodings_8cpp_html_a5e074135870a6fdfae4ac02047bc0432"><div class="ttname"><a href="utilstrencodings_8cpp.html#a5e074135870a6fdfae4ac02047bc0432">EncodeBase64</a></div><div class="ttdeci">string EncodeBase64(const unsigned char *pch, size_t len)</div><div class="ttdef"><b>Definition:</b> <a href="utilstrencodings_8cpp_source.html#l00095">utilstrencodings.cpp:95</a></div></div>
<div class="ttc" id="classCPubKey_html_a169505e735a02db385486b0affeb565c"><div class="ttname"><a href="classCPubKey.html#a169505e735a02db385486b0affeb565c">CPubKey::RecoverCompact</a></div><div class="ttdeci">bool RecoverCompact(const uint256 &amp;hash, const std::vector&lt; unsigned char &gt; &amp;vchSig)</div><div class="ttdoc">Recover a public key from a compact signature. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00187">pubkey.cpp:187</a></div></div>
<div class="ttc" id="classCHashWriter_html_ae94a937211502eabf19477630090093a"><div class="ttname"><a href="classCHashWriter.html#ae94a937211502eabf19477630090093a">CHashWriter::GetHash</a></div><div class="ttdeci">uint256 GetHash()</div><div class="ttdef"><b>Definition:</b> <a href="hash_8h_source.html#l00254">hash.h:254</a></div></div>
<div class="ttc" id="base58_8h_html"><div class="ttname"><a href="base58_8h.html">base58.h</a></div></div>
<div class="ttc" id="utilstrencodings_8h_html"><div class="ttname"><a href="utilstrencodings_8h.html">utilstrencodings.h</a></div></div>
<div class="ttc" id="classCMessageSigner_html_a19e001b31704eef8c0cf4a885be138cd"><div class="ttname"><a href="classCMessageSigner.html#a19e001b31704eef8c0cf4a885be138cd">CMessageSigner::GetKeysFromSecret</a></div><div class="ttdeci">static bool GetKeysFromSecret(const std::string strSecret, CKey &amp;keyRet, CPubKey &amp;pubkeyRet)</div><div class="ttdoc">Set the private/public key values, returns true if successful. </div><div class="ttdef"><b>Definition:</b> <a href="messagesigner_8cpp_source.html#l00012">messagesigner.cpp:12</a></div></div>
<div class="ttc" id="tinyformat_8h_html"><div class="ttname"><a href="tinyformat_8h.html">tinyformat.h</a></div></div>
<div class="ttc" id="classCMessageSigner_html_ab4189ffcd1472cac33f99a425faa4cec"><div class="ttname"><a href="classCMessageSigner.html#ab4189ffcd1472cac33f99a425faa4cec">CMessageSigner::VerifyMessage</a></div><div class="ttdeci">static bool VerifyMessage(const CPubKey pubkey, const std::vector&lt; unsigned char &gt; &amp;vchSig, const std::string strMessage, std::string &amp;strErrorRet)</div><div class="ttdoc">Verify the message signature, returns true if succcessful. </div><div class="ttdef"><b>Definition:</b> <a href="messagesigner_8cpp_source.html#l00033">messagesigner.cpp:33</a></div></div>
<div class="ttc" id="classbase__blob_html_a7a0d25782830d8b087c4da839f3ccdeb"><div class="ttname"><a href="classbase__blob.html#a7a0d25782830d8b087c4da839f3ccdeb">base_blob::ToString</a></div><div class="ttdeci">std::string ToString() const</div><div class="ttdef"><b>Definition:</b> <a href="uint256_8cpp_source.html#l00065">uint256.cpp:65</a></div></div>
<div class="ttc" id="classCHashSigner_html_a283dca9acf09fcfa28cc4541ab211466"><div class="ttname"><a href="classCHashSigner.html#a283dca9acf09fcfa28cc4541ab211466">CHashSigner::SignHash</a></div><div class="ttdeci">static bool SignHash(const uint256 &amp;hash, const CKey key, std::vector&lt; unsigned char &gt; &amp;vchSigRet)</div><div class="ttdoc">Sign the hash, returns true if successful. </div><div class="ttdef"><b>Definition:</b> <a href="messagesigner_8cpp_source.html#l00042">messagesigner.cpp:42</a></div></div>
<div class="ttc" id="classCBitcoinSecret_html_a4d6bf559d092e6d47f8001c7171096df"><div class="ttname"><a href="classCBitcoinSecret.html#a4d6bf559d092e6d47f8001c7171096df">CBitcoinSecret::GetKey</a></div><div class="ttdeci">CKey GetKey()</div><div class="ttdef"><b>Definition:</b> <a href="base58_8cpp_source.html#l00314">base58.cpp:314</a></div></div>
<div class="ttc" id="classuint256_html"><div class="ttname"><a href="classuint256.html">uint256</a></div><div class="ttdef"><b>Definition:</b> <a href="uint256_8h_source.html#l00114">uint256.h:114</a></div></div>
<div class="ttc" id="classCBitcoinSecret_html"><div class="ttname"><a href="classCBitcoinSecret.html">CBitcoinSecret</a></div><div class="ttdef"><b>Definition:</b> <a href="base58_8h_source.html#l00126">base58.h:126</a></div></div>
<div class="ttc" id="classCHashSigner_html_a941bca56ae42ff938656c805a1ddc78e"><div class="ttname"><a href="classCHashSigner.html#a941bca56ae42ff938656c805a1ddc78e">CHashSigner::VerifyHash</a></div><div class="ttdeci">static bool VerifyHash(const uint256 &amp;hash, const CPubKey pubkey, const std::vector&lt; unsigned char &gt; &amp;vchSig, std::string &amp;strErrorRet)</div><div class="ttdoc">Verify the hash signature, returns true if succcessful. </div><div class="ttdef"><b>Definition:</b> <a href="messagesigner_8cpp_source.html#l00047">messagesigner.cpp:47</a></div></div>
<div class="ttc" id="classCKey_html_aa1085c59603a62db6ec776300f250337"><div class="ttname"><a href="classCKey.html#aa1085c59603a62db6ec776300f250337">CKey::GetPubKey</a></div><div class="ttdeci">CPubKey GetPubKey() const</div><div class="ttdef"><b>Definition:</b> <a href="key_8cpp_source.html#l00156">key.cpp:156</a></div></div>
<div class="ttc" id="classCPubKey_html"><div class="ttname"><a href="classCPubKey.html">CPubKey</a></div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8h_source.html#l00037">pubkey.h:37</a></div></div>
<div class="ttc" id="classCMessageSigner_html_a667ae72604fd6a0da8d9d53c55523ff0"><div class="ttname"><a href="classCMessageSigner.html#a667ae72604fd6a0da8d9d53c55523ff0">CMessageSigner::SignMessage</a></div><div class="ttdeci">static bool SignMessage(const std::string strMessage, std::vector&lt; unsigned char &gt; &amp;vchSigRet, const CKey key)</div><div class="ttdoc">Sign the message, returns true if successful. </div><div class="ttdef"><b>Definition:</b> <a href="messagesigner_8cpp_source.html#l00024">messagesigner.cpp:24</a></div></div>
<div class="ttc" id="serialize_8h_html_ae4d5251432e1a9e6803c0240cc492e18aca6c7596d50ce42f28b5b97f39ba178a"><div class="ttname"><a href="serialize_8h.html#ae4d5251432e1a9e6803c0240cc492e18aca6c7596d50ce42f28b5b97f39ba178a">SER_GETHASH</a></div><div class="ttdef"><b>Definition:</b> <a href="serialize_8h_source.html#l00172">serialize.h:172</a></div></div>
<div class="ttc" id="validation_8cpp_html_a1cad9567b6474e6096232b14ed6a8476"><div class="ttname"><a href="validation_8cpp.html#a1cad9567b6474e6096232b14ed6a8476">strMessageMagic</a></div><div class="ttdeci">const string strMessageMagic</div><div class="ttdef"><b>Definition:</b> <a href="validation_8cpp_source.html#l00109">validation.cpp:109</a></div></div>
<div class="ttc" id="classCKey_html"><div class="ttname"><a href="classCKey.html">CKey</a></div><div class="ttdef"><b>Definition:</b> <a href="key_8h_source.html#l00035">key.h:35</a></div></div>
<div class="ttc" id="classCHashWriter_html"><div class="ttname"><a href="classCHashWriter.html">CHashWriter</a></div><div class="ttdef"><b>Definition:</b> <a href="hash_8h_source.html#l00237">hash.h:237</a></div></div>
<div class="ttc" id="namespaceextract__strings__qt_html_a1b7a78cde0039f63310f11692b713dca"><div class="ttname"><a href="namespaceextract__strings__qt.html#a1b7a78cde0039f63310f11692b713dca">extract_strings_qt.key</a></div><div class="ttdeci">key</div><div class="ttdef"><b>Definition:</b> <a href="extract__strings__qt_8py_source.html#l00073">extract_strings_qt.py:73</a></div></div>
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