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<li class="navelem"><a class="el" href="../../dir_3f8eec2fc361645de4b1ec14c19fffc7.html">packager</a></li><li class="navelem"><a class="el" href="../../dir_f99dae54fe7170f791f339b952d5067a.html">media</a></li><li class="navelem"><a class="el" href="../../dir_e3bda0bde998a4d5063328245b9909be.html">base</a></li> </ul>
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<div class="title">request_signer.cc</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Use of this source code is governed by a BSD-style</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">// license that can be found in the LICENSE file or at</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// https://developers.google.com/open-source/licenses/bsd</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>  </div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/base/request_signer.h"</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>  </div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/base/sha1.h"</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/aes_encryptor.h"</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "packager/media/base/rsa_key.h"</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>  </div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="keyword">namespace </span>media {</div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  </div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> RequestSigner::RequestSigner(<span class="keyword">const</span> std::string& signer_name)</div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  : signer_name_(signer_name) {}</div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> RequestSigner::~RequestSigner() {}</div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  </div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> AesRequestSigner::AesRequestSigner(<span class="keyword">const</span> std::string& signer_name,</div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  std::unique_ptr<AesCbcEncryptor> encryptor)</div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  : RequestSigner(signer_name), aes_cbc_encryptor_(std::move(encryptor)) {</div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  DCHECK(aes_cbc_encryptor_);</div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> }</div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> AesRequestSigner::~AesRequestSigner() {}</div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  </div>
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<div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a8ae2058318e5894422acb95586e3c471"> 28</a></span> <a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html">AesRequestSigner</a>* <a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a8ae2058318e5894422acb95586e3c471">AesRequestSigner::CreateSigner</a>(</div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">const</span> std::string& signer_name,</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">const</span> std::vector<uint8_t>& aes_key,</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keyword">const</span> std::vector<uint8_t>& iv) {</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  std::unique_ptr<AesCbcEncryptor> encryptor(</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  <span class="keyword">new</span> <a class="code" href="../../d4/d20/classshaka_1_1media_1_1AesCbcEncryptor.html">AesCbcEncryptor</a>(kPkcs5Padding, AesCryptor::kUseConstantIv));</div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">if</span> (!encryptor->InitializeWithIv(aes_key, iv))</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keywordflow">return</span> NULL;</div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html">AesRequestSigner</a>(signer_name, std::move(encryptor));</div>
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<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> }</div>
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<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  </div>
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<div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a3010ad8c4c1588358a8d31a97afd6428"> 39</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a3010ad8c4c1588358a8d31a97afd6428">AesRequestSigner::GenerateSignature</a>(<span class="keyword">const</span> std::string& message,</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  std::string* signature) {</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  aes_cbc_encryptor_->Crypt(base::SHA1HashString(message), signature);</div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> }</div>
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<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
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<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> RsaRequestSigner::RsaRequestSigner(</div>
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<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">const</span> std::string& signer_name,</div>
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<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  std::unique_ptr<RsaPrivateKey> rsa_private_key)</div>
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<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  : <a class="code" href="../../df/d3c/classshaka_1_1media_1_1RequestSigner.html">RequestSigner</a>(signer_name), rsa_private_key_(std::move(rsa_private_key)) {</div>
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<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  DCHECK(rsa_private_key_);</div>
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<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> }</div>
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<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> RsaRequestSigner::~RsaRequestSigner() {}</div>
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<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
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<div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c"> 53</a></span> <a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html">RsaRequestSigner</a>* <a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c">RsaRequestSigner::CreateSigner</a>(</div>
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<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keyword">const</span> std::string& signer_name,</div>
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<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> std::string& pkcs1_rsa_key) {</div>
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<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  std::unique_ptr<RsaPrivateKey> rsa_private_key(</div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="../../d0/dce/classshaka_1_1media_1_1RsaPrivateKey.html#aef45d0014d7971b936ce3d0109935ba8">RsaPrivateKey::Create</a>(pkcs1_rsa_key));</div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (!rsa_private_key)</div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">return</span> NULL;</div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html">RsaRequestSigner</a>(signer_name, std::move(rsa_private_key));</div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> }</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"><a class="line" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#ac83306b0555581b8ac9591b6e3d3bdbc"> 63</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#ac83306b0555581b8ac9591b6e3d3bdbc">RsaRequestSigner::GenerateSignature</a>(<span class="keyword">const</span> std::string& message,</div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  std::string* signature) {</div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> rsa_private_key_->GenerateSignature(message, signature);</div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> }</div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  </div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> } <span class="comment">// namespace media</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> } <span class="comment">// namespace shaka</span></div>
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</div><!-- fragment --></div><!-- contents -->
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<div class="ttc" id="aclassshaka_1_1media_1_1RequestSigner_html"><div class="ttname"><a href="../../df/d3c/classshaka_1_1media_1_1RequestSigner.html">shaka::media::RequestSigner</a></div><div class="ttdoc">Abstract class used for signature generation.</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd4/request__signer_8h_source.html#l00023">request_signer.h:23</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AesRequestSigner_html"><div class="ttname"><a href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html">shaka::media::AesRequestSigner</a></div><div class="ttdoc">AesRequestSigner uses AES-CBC signing.</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd4/request__signer_8h_source.html#l00045">request_signer.h:45</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AesRequestSigner_html_a3010ad8c4c1588358a8d31a97afd6428"><div class="ttname"><a href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a3010ad8c4c1588358a8d31a97afd6428">shaka::media::AesRequestSigner::GenerateSignature</a></div><div class="ttdeci">bool GenerateSignature(const std::string &message, std::string *signature) override</div><div class="ttdoc">RequestSigner implementation override.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00039">request_signer.cc:39</a></div></div>
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<div class="ttc" id="anamespaceshaka_html"><div class="ttname"><a href="../../d8/daf/namespaceshaka.html">shaka</a></div><div class="ttdoc">All the methods that are virtual are virtual for mocking.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1RsaPrivateKey_html_aef45d0014d7971b936ce3d0109935ba8"><div class="ttname"><a href="../../d0/dce/classshaka_1_1media_1_1RsaPrivateKey.html#aef45d0014d7971b936ce3d0109935ba8">shaka::media::RsaPrivateKey::Create</a></div><div class="ttdeci">static RsaPrivateKey * Create(const std::string &serialized_key)</div><div class="ttdef"><b>Definition:</b> <a href="../../dc/dd9/rsa__key_8cc_source.html#l00096">rsa_key.cc:96</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1RsaRequestSigner_html_ac83306b0555581b8ac9591b6e3d3bdbc"><div class="ttname"><a href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#ac83306b0555581b8ac9591b6e3d3bdbc">shaka::media::RsaRequestSigner::GenerateSignature</a></div><div class="ttdeci">bool GenerateSignature(const std::string &message, std::string *signature) override</div><div class="ttdoc">RequestSigner implementation override.</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00063">request_signer.cc:63</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AesCbcEncryptor_html"><div class="ttname"><a href="../../d4/d20/classshaka_1_1media_1_1AesCbcEncryptor.html">shaka::media::AesCbcEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00077">aes_encryptor.h:77</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1RsaRequestSigner_html_af6af635a7c0a01bb638befb71b88386c"><div class="ttname"><a href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html#af6af635a7c0a01bb638befb71b88386c">shaka::media::RsaRequestSigner::CreateSigner</a></div><div class="ttdeci">static RsaRequestSigner * CreateSigner(const std::string &signer_name, const std::string &pkcs1_rsa_key)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00053">request_signer.cc:53</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1RsaRequestSigner_html"><div class="ttname"><a href="../../d7/ddd/classshaka_1_1media_1_1RsaRequestSigner.html">shaka::media::RsaRequestSigner</a></div><div class="ttdoc">RsaRequestSigner uses RSA-PSS signing.</div><div class="ttdef"><b>Definition:</b> <a href="../../d7/dd4/request__signer_8h_source.html#l00069">request_signer.h:69</a></div></div>
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<div class="ttc" id="aclassshaka_1_1media_1_1AesRequestSigner_html_a8ae2058318e5894422acb95586e3c471"><div class="ttname"><a href="../../d9/d8c/classshaka_1_1media_1_1AesRequestSigner.html#a8ae2058318e5894422acb95586e3c471">shaka::media::AesRequestSigner::CreateSigner</a></div><div class="ttdeci">static AesRequestSigner * CreateSigner(const std::string &signer_name, const std::vector< uint8_t > &aes_key, const std::vector< uint8_t > &iv)</div><div class="ttdef"><b>Definition:</b> <a href="../../d4/df5/request__signer_8cc_source.html#l00028">request_signer.cc:28</a></div></div>
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