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<h1>Source code for windows.crypto.generation</h1><div class="highlight"><pre>
<span></span><span class="kn">from</span> <span class="nn">windows</span> <span class="k">import</span> <span class="n">winproxy</span>
<span class="kn">from</span> <span class="nn">windows.generated_def</span> <span class="k">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">windows.crypto.helper</span> <span class="k">import</span> <span class="n">ECRYPT_DATA_BLOB</span>
<span class="kn">from</span> <span class="nn">windows.crypto</span> <span class="k">import</span> <span class="n">DEFAULT_ENCODING</span><span class="p">,</span> <span class="n">EHCERTSTORE</span>
<div class="viewcode-block" id="generate_selfsigned_certificate"><a class="viewcode-back" href="../../../crypto.html#windows.crypto.generation.generate_selfsigned_certificate">[docs]</a><span class="k">def</span> <span class="nf">generate_selfsigned_certificate</span><span class="p">(</span><span class="n">name</span><span class="o">=</span><span class="s2">&quot;CN=DEFAULT&quot;</span><span class="p">,</span> <span class="n">prov</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">key_info</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">flags</span><span class="o">=</span><span class="mi">0</span><span class="p">,</span> <span class="n">signature_algo</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;Generate a selfsigned certificate.</span>
<span class="sd"> See https://msdn.microsoft.com/en-us/library/windows/desktop/aa376039(v=vs.85).aspx</span>
<span class="sd"> :return: :class:`windows.crypto.CertificateContext`</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">size</span> <span class="o">=</span> <span class="n">ULONG</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">name</span><span class="p">)</span> <span class="o">+</span> <span class="mh">0x100</span><span class="p">)</span>
<span class="n">buffer</span> <span class="o">=</span> <span class="p">(</span><span class="n">ctypes</span><span class="o">.</span><span class="n">c_ubyte</span> <span class="o">*</span> <span class="n">size</span><span class="o">.</span><span class="n">value</span><span class="p">)()</span>
<span class="n">winproxy</span><span class="o">.</span><span class="n">CertStrToNameA</span><span class="p">(</span><span class="n">X509_ASN_ENCODING</span><span class="p">,</span> <span class="n">name</span><span class="p">,</span> <span class="n">CERT_OID_NAME_STR</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">buffer</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">blobname</span> <span class="o">=</span> <span class="n">ECRYPT_DATA_BLOB</span><span class="p">(</span><span class="n">size</span><span class="o">.</span><span class="n">value</span><span class="p">,</span> <span class="n">buffer</span><span class="p">)</span>
<span class="n">cert</span> <span class="o">=</span> <span class="n">winproxy</span><span class="o">.</span><span class="n">CertCreateSelfSignCertificate</span><span class="p">(</span><span class="n">prov</span><span class="p">,</span> <span class="n">blobname</span><span class="p">,</span> <span class="n">flags</span><span class="p">,</span> <span class="n">key_info</span><span class="p">,</span> <span class="n">signature_algo</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="k">return</span> <span class="n">windows</span><span class="o">.</span><span class="n">crypto</span><span class="o">.</span><span class="n">CertificateContext</span><span class="p">(</span><span class="n">cert</span><span class="p">[</span><span class="mi">0</span><span class="p">])</span></div>
<div class="viewcode-block" id="generate_key"><a class="viewcode-back" href="../../../crypto.html#windows.crypto.generation.generate_key">[docs]</a><span class="k">def</span> <span class="nf">generate_key</span><span class="p">(</span><span class="n">prov</span><span class="p">,</span> <span class="n">keytype</span><span class="o">=</span><span class="n">AT_KEYEXCHANGE</span><span class="p">,</span> <span class="n">flags</span><span class="o">=</span><span class="n">CRYPT_EXPORTABLE</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;Generate a keypair if type ``keytype``.</span>
<span class="sd"> :return: :class:`HCRYPTKEY`</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">key</span> <span class="o">=</span> <span class="n">HCRYPTKEY</span><span class="p">()</span>
<span class="n">winproxy</span><span class="o">.</span><span class="n">CryptGenKey</span><span class="p">(</span><span class="n">prov</span><span class="p">,</span> <span class="n">keytype</span><span class="p">,</span> <span class="n">flags</span> <span class="p">,</span> <span class="n">key</span><span class="p">)</span>
<span class="k">return</span> <span class="n">key</span></div>
<span class="c1"># print(key[0])</span>
<span class="c1"># print(&quot;[OK] Key created&quot;)</span>
<span class="c1"># size = DWORD()</span>
<span class="c1"># winproxy.CryptExportKey(key, None, PRIVATEKEYBLOB, 0, None, size)</span>
<span class="c1"># buffer = (BYTE * size.value)()</span>
<span class="c1"># print(&quot;needed size = {0}&quot;.format(size))</span>
<span class="c1"># winproxy.CryptExportKey(key, None, PRIVATEKEYBLOB, 0, buffer, size)</span>
<span class="c1"># print(&quot;[OK] Key in buffer&quot;)</span>
<span class="c1"># keyraw = bytearray(buffer)</span>
<span class="c1"># # openssl.exe rsa -in key.out -inform MS\PRIVATEKEYBLOB -text</span>
<span class="c1"># save_as(keyraw, &quot;key.out&quot;)</span>
<span class="c1"># #res = ctypes.WinDLL(&quot;advapi32&quot;).CryptReleaseContext(prov, 0)</span>
<span class="c1"># return key</span>
<div class="viewcode-block" id="generate_pfx"><a class="viewcode-back" href="../../../crypto.html#windows.crypto.generation.generate_pfx">[docs]</a><span class="k">def</span> <span class="nf">generate_pfx</span><span class="p">(</span><span class="n">hstore</span><span class="p">,</span> <span class="n">password</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
<span class="sd">&quot;&quot;&quot;Generate a pfx protected by ``password`` contaning the certificates in ``hstore``</span>
<span class="sd"> :return: :class:`bytearray` -- The raw PFX</span>
<span class="sd"> &quot;&quot;&quot;</span>
<span class="n">blob</span> <span class="o">=</span> <span class="n">ECRYPT_DATA_BLOB</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="kc">None</span><span class="p">)</span>
<span class="n">winproxy</span><span class="o">.</span><span class="n">PFXExportCertStoreEx</span><span class="p">(</span><span class="n">hstore</span><span class="p">,</span> <span class="n">blob</span><span class="p">,</span> <span class="n">password</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">EXPORT_PRIVATE_KEYS</span> <span class="o">|</span> <span class="n">REPORT_NO_PRIVATE_KEY</span> <span class="o">|</span> <span class="n">REPORT_NOT_ABLE_TO_EXPORT_PRIVATE_KEY</span><span class="p">)</span>
<span class="n">blob</span><span class="o">.</span><span class="n">pbData</span> <span class="o">=</span> <span class="p">(</span><span class="n">ctypes</span><span class="o">.</span><span class="n">c_ubyte</span> <span class="o">*</span> <span class="n">blob</span><span class="o">.</span><span class="n">cbData</span><span class="p">)()</span>
<span class="n">winproxy</span><span class="o">.</span><span class="n">PFXExportCertStoreEx</span><span class="p">(</span><span class="n">hstore</span><span class="p">,</span> <span class="n">blob</span><span class="p">,</span> <span class="n">password</span><span class="p">,</span> <span class="kc">None</span><span class="p">,</span> <span class="n">EXPORT_PRIVATE_KEYS</span> <span class="o">|</span> <span class="n">REPORT_NO_PRIVATE_KEY</span> <span class="o">|</span> <span class="n">REPORT_NOT_ABLE_TO_EXPORT_PRIVATE_KEY</span><span class="p">)</span>
<span class="k">return</span> <span class="n">blob</span><span class="o">.</span><span class="n">data</span></div>
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