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<div id="projectname">GpgFrontend Project
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<div id="projectbrief">A Free, Powerful, Easy-to-Use, Compact, Cross-Platform, and Installation-Free OpenPGP(pgp) Crypto Tool.</div>
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<div class="title">PassphraseGenerator.h</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#ifndef GPGFRONTEND_PASSPHRASEGENERATOR_H</span></div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#define GPGFRONTEND_PASSPHRASEGENERATOR_H</span></div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "core/GpgFrontendCore.h"</span></div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include "core/GpgFunctionObject.h"</span></div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  </div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespaceGpgFrontend.html">GpgFrontend</a> {</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
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<div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="classGpgFrontend_1_1PassphraseGenerator.html"> 42</a></span> <span class="keyword">class </span>GPGFRONTEND_CORE_EXPORT <a class="code" href="classGpgFrontend_1_1PassphraseGenerator.html">PassphraseGenerator</a></div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  : <span class="keyword">public</span> <a class="code" href="classGpgFrontend_1_1SingletonFunctionObject.html">SingletonFunctionObject</a><PassphraseGenerator> {</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="classGpgFrontend_1_1PassphraseGenerator.html#ac82ef545a54468ad02253a61cc62e3cf"> 50</a></span>  <span class="keyword">explicit</span> <a class="code" href="classGpgFrontend_1_1PassphraseGenerator.html#ac82ef545a54468ad02253a61cc62e3cf">PassphraseGenerator</a>(</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">int</span> channel = <a class="code" href="classGpgFrontend_1_1SingletonFunctionObject.html#a50e2b3794d6553f4231eaec72d9d0a50">SingletonFunctionObject::GetDefaultChannel</a>())</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  : <a class="code" href="classGpgFrontend_1_1SingletonFunctionObject.html">SingletonFunctionObject</a><<a class="code" href="classGpgFrontend_1_1PassphraseGenerator.html">PassphraseGenerator</a>>(channel) {}</div>
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<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
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<div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="classGpgFrontend_1_1PassphraseGenerator.html#a8b4ee1083343fba6d947b85cd66079b8"> 60</a></span>  std::string <a class="code" href="classGpgFrontend_1_1PassphraseGenerator.html#a8b4ee1083343fba6d947b85cd66079b8">Generate</a>(<span class="keywordtype">int</span> len) {</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  std::uniform_int_distribution<int> dist(999, 99999);</div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  </div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">auto</span> file_string = boost::format(<span class="stringliteral">"KeyPackage_%1%"</span>) % dist(mt_);</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> alphanum[] =</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="stringliteral">"0123456789"</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="stringliteral">"ABCDEFGHIJKLMNOPQRSTUVWXYZ"</span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="stringliteral">"abcdefghijklmnopqrstuvwxyz"</span>;</div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  std::string tmp_str;</div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  tmp_str.reserve(len);</div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  </div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < len; ++i) {</div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  tmp_str += alphanum[dist(mt_) % (<span class="keyword">sizeof</span>(alphanum) - 1)];</div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  }</div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">return</span> tmp_str;</div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  }</div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  </div>
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<div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="classGpgFrontend_1_1PassphraseGenerator.html#a12ee6f9b7fff4883074321c7e0de3dfa"> 77</a></span>  std::random_device <a class="code" href="classGpgFrontend_1_1PassphraseGenerator.html#a12ee6f9b7fff4883074321c7e0de3dfa">rd_</a>; </div>
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<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="classGpgFrontend_1_1PassphraseGenerator.html#a19ac4999bbd5fb7e6c42a4aef9606892"> 78</a></span>  std::mt19937 mt_ = std::mt19937(rd_()); </div>
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<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> };</div>
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<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  </div>
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<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> } <span class="comment">// namespace GpgFrontend</span></div>
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<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  </div>
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<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="preprocessor">#endif // GPGFRONTEND_PASSPHRASEGENERATOR_H</span></div>
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<div class="ttc" id="aclassGpgFrontend_1_1PassphraseGenerator_html"><div class="ttname"><a href="classGpgFrontend_1_1PassphraseGenerator.html">GpgFrontend::PassphraseGenerator</a></div><div class="ttdoc">The PassphraseGenerator class.</div><div class="ttdef"><b>Definition:</b> PassphraseGenerator.h:42</div></div>
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<div class="ttc" id="aclassGpgFrontend_1_1SingletonFunctionObject_html"><div class="ttname"><a href="classGpgFrontend_1_1SingletonFunctionObject.html">GpgFrontend::SingletonFunctionObject</a></div><div class="ttdef"><b>Definition:</b> GpgFunctionObject.h:148</div></div>
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<div class="ttc" id="anamespaceGpgFrontend_html"><div class="ttname"><a href="namespaceGpgFrontend.html">GpgFrontend</a></div><div class="ttdef"><b>Definition:</b> CoreCommonUtil.cpp:29</div></div>
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<div class="ttc" id="aclassGpgFrontend_1_1PassphraseGenerator_html_a8b4ee1083343fba6d947b85cd66079b8"><div class="ttname"><a href="classGpgFrontend_1_1PassphraseGenerator.html#a8b4ee1083343fba6d947b85cd66079b8">GpgFrontend::PassphraseGenerator::Generate</a></div><div class="ttdeci">std::string Generate(int len)</div><div class="ttdoc">generate passphrase</div><div class="ttdef"><b>Definition:</b> PassphraseGenerator.h:60</div></div>
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<div class="ttc" id="aclassGpgFrontend_1_1PassphraseGenerator_html_a12ee6f9b7fff4883074321c7e0de3dfa"><div class="ttname"><a href="classGpgFrontend_1_1PassphraseGenerator.html#a12ee6f9b7fff4883074321c7e0de3dfa">GpgFrontend::PassphraseGenerator::rd_</a></div><div class="ttdeci">std::random_device rd_</div><div class="ttdoc">Random device.</div><div class="ttdef"><b>Definition:</b> PassphraseGenerator.h:77</div></div>
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<div class="ttc" id="aclassGpgFrontend_1_1PassphraseGenerator_html_ac82ef545a54468ad02253a61cc62e3cf"><div class="ttname"><a href="classGpgFrontend_1_1PassphraseGenerator.html#ac82ef545a54468ad02253a61cc62e3cf">GpgFrontend::PassphraseGenerator::PassphraseGenerator</a></div><div class="ttdeci">PassphraseGenerator(int channel=SingletonFunctionObject::GetDefaultChannel())</div><div class="ttdoc">PassphraseGenerator constructor.</div><div class="ttdef"><b>Definition:</b> PassphraseGenerator.h:50</div></div>
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<div class="ttc" id="aclassGpgFrontend_1_1SingletonFunctionObject_html_a50e2b3794d6553f4231eaec72d9d0a50"><div class="ttname"><a href="classGpgFrontend_1_1SingletonFunctionObject.html#a50e2b3794d6553f4231eaec72d9d0a50">GpgFrontend::SingletonFunctionObject::GetDefaultChannel</a></div><div class="ttdeci">static int GetDefaultChannel()</div><div class="ttdoc">Get the Default Channel object.</div><div class="ttdef"><b>Definition:</b> GpgFunctionObject.h:232</div></div>
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