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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="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// Copyright 2016 Google Inc. All rights reserved.</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment">//</span></div><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><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><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><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "packager/media/base/decryptor_source.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> </div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "packager/base/logging.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "packager/media/base/aes_decryptor.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "packager/media/base/aes_pattern_cryptor.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="keyword">namespace </span>{</div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// Return true if [encrypted_buffer, encrypted_buffer + buffer_size) overlaps</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment">// with [decrypted_buffer, decrypted_buffer + buffer_size).</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="keywordtype">bool</span> CheckMemoryOverlap(<span class="keyword">const</span> uint8_t* encrypted_buffer,</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <span class="keywordtype">size_t</span> buffer_size,</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  uint8_t* decrypted_buffer) {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">return</span> (decrypted_buffer < encrypted_buffer)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  ? (encrypted_buffer < decrypted_buffer + buffer_size)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  : (decrypted_buffer < encrypted_buffer + buffer_size);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> }</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> } <span class="comment">// namespace</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> </div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword">namespace </span><a class="code" href="../../d8/daf/namespaceshaka.html">shaka</a> {</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>media {</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a045c97bdeb9996d6003ac926849880c8"> 28</a></span> <a class="code" href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a045c97bdeb9996d6003ac926849880c8">DecryptorSource::DecryptorSource</a>(<a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">KeySource</a>* key_source)</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  : key_source_(key_source) {</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  CHECK(key_source);</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> }</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> DecryptorSource::~DecryptorSource() {}</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a8a1bd6a5a63b3f3c54028b43dfc67a6d"> 34</a></span> <span class="keywordtype">bool</span> <a class="code" href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a8a1bd6a5a63b3f3c54028b43dfc67a6d">DecryptorSource::DecryptSampleBuffer</a>(<span class="keyword">const</span> <a class="code" href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html">DecryptConfig</a>* decrypt_config,</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <span class="keyword">const</span> uint8_t* encrypted_buffer,</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordtype">size_t</span> buffer_size,</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  uint8_t* decrypted_buffer) {</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  DCHECK(decrypt_config);</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  DCHECK(encrypted_buffer);</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  DCHECK(decrypted_buffer);</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> (CheckMemoryOverlap(encrypted_buffer, buffer_size, decrypted_buffer)) {</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  LOG(ERROR) << <span class="stringliteral">"Encrypted buffer and decrypted buffer cannot overlap."</span>;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="comment">// Get the decryptor object.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <a class="code" href="../../df/d87/classshaka_1_1media_1_1AesCryptor.html">AesCryptor</a>* decryptor = <span class="keyword">nullptr</span>;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keyword">auto</span> found = decryptor_map_.find(decrypt_config->key_id());</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordflow">if</span> (found == decryptor_map_.end()) {</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="comment">// Create new AesDecryptor based on decryption mode.</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <a class="code" href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">EncryptionKey</a> key;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <a class="code" href="../../d2/d20/classshaka_1_1Status.html">Status</a> status(key_source_-><a class="code" href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#af56c833453d65297c4dc96c9d2f83e1a">GetKey</a>(decrypt_config->key_id(), &key));</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">if</span> (!status.ok()) {</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  LOG(ERROR) << <span class="stringliteral">"Error retrieving decryption key: "</span> << status;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  std::unique_ptr<AesCryptor> aes_decryptor;</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">switch</span> (decrypt_config->protection_scheme()) {</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">case</span> FOURCC_cenc:</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  aes_decryptor.reset(<span class="keyword">new</span> <a class="code" href="../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html">AesCtrDecryptor</a>);</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">case</span> FOURCC_cbc1:</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  aes_decryptor.reset(<span class="keyword">new</span> <a class="code" href="../../df/d2d/classshaka_1_1media_1_1AesCbcDecryptor.html">AesCbcDecryptor</a>(kNoPadding));</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">case</span> FOURCC_cens:</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  aes_decryptor.reset(<span class="keyword">new</span> <a class="code" href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html">AesPatternCryptor</a>(</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  decrypt_config->crypt_byte_block(),</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  decrypt_config->skip_byte_block(),</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <a class="code" href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html#a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16">AesPatternCryptor::kEncryptIfCryptByteBlockRemaining</a>,</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  AesCryptor::kDontUseConstantIv,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  std::unique_ptr<AesCryptor>(<span class="keyword">new</span> <a class="code" href="../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html">AesCtrDecryptor</a>())));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordflow">case</span> FOURCC_cbcs:</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  aes_decryptor.reset(<span class="keyword">new</span> <a class="code" href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html">AesPatternCryptor</a>(</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  decrypt_config->crypt_byte_block(),</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  decrypt_config->skip_byte_block(),</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html#a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16">AesPatternCryptor::kEncryptIfCryptByteBlockRemaining</a>,</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  AesCryptor::kUseConstantIv,</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  std::unique_ptr<AesCryptor>(<span class="keyword">new</span> <a class="code" href="../../df/d2d/classshaka_1_1media_1_1AesCbcDecryptor.html">AesCbcDecryptor</a>(kNoPadding))));</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">break</span>;</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordflow">default</span>:</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  LOG(ERROR) << <span class="stringliteral">"Unsupported protection scheme: "</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  << decrypt_config->protection_scheme();</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  }</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordflow">if</span> (!aes_decryptor->InitializeWithIv(key.key, decrypt_config->iv())) {</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  LOG(ERROR) << <span class="stringliteral">"Failed to initialize AesDecryptor for decryption."</span>;</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  decryptor = aes_decryptor.get();</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  decryptor_map_[decrypt_config->key_id()] = std::move(aes_decryptor);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  } <span class="keywordflow">else</span> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  decryptor = found->second.get();</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  }</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">if</span> (!decryptor-><a class="code" href="../../df/d87/classshaka_1_1media_1_1AesCryptor.html#a4875146da4761bb757d6b00132ae6fea">SetIv</a>(decrypt_config->iv())) {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  LOG(ERROR) << <span class="stringliteral">"Invalid initialization vector."</span>;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  }</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (decrypt_config->subsamples().empty()) {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="comment">// Sample not encrypted using subsample encryption. Decrypt whole.</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (!decryptor->Crypt(encrypted_buffer, buffer_size, decrypted_buffer)) {</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  LOG(ERROR) << <span class="stringliteral">"Error during bulk sample decryption."</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  }</div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> </div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="comment">// Subsample decryption.</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  <span class="keyword">const</span> std::vector<SubsampleEntry>& subsamples = decrypt_config->subsamples();</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> uint8_t* current_ptr = encrypted_buffer;</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">const</span> uint8_t* <span class="keyword">const</span> buffer_end = encrypted_buffer + buffer_size;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keywordflow">for</span> (<span class="keyword">const</span> <span class="keyword">auto</span>& subsample : subsamples) {</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">if</span> ((current_ptr + subsample.clear_bytes + subsample.cipher_bytes) ></div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  buffer_end) {</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  LOG(ERROR) << <span class="stringliteral">"Subsamples overflow sample buffer."</span>;</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  memcpy(decrypted_buffer, current_ptr, subsample.clear_bytes);</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  current_ptr += subsample.clear_bytes;</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  decrypted_buffer += subsample.clear_bytes;</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordflow">if</span> (!decryptor->Crypt(current_ptr, subsample.cipher_bytes,</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  decrypted_buffer)) {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  LOG(ERROR) << <span class="stringliteral">"Error decrypting subsample buffer."</span>;</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  current_ptr += subsample.cipher_bytes;</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  decrypted_buffer += subsample.cipher_bytes;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span> }</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> } <span class="comment">// namespace media</span></div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> } <span class="comment">// namespace shaka</span></div><div class="ttc" id="classshaka_1_1media_1_1AesCryptor_html"><div class="ttname"><a href="../../df/d87/classshaka_1_1media_1_1AesCryptor.html">shaka::media::AesCryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d0/d42/aes__cryptor_8h_source.html#l00025">aes_cryptor.h:25</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1DecryptorSource_html_a045c97bdeb9996d6003ac926849880c8"><div class="ttname"><a href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a045c97bdeb9996d6003ac926849880c8">shaka::media::DecryptorSource::DecryptorSource</a></div><div class="ttdeci">DecryptorSource(KeySource *key_source)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d2a/decryptor__source_8cc_source.html#l00028">decryptor_source.cc:28</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1DecryptConfig_html"><div class="ttname"><a href="../../de/d49/classshaka_1_1media_1_1DecryptConfig.html">shaka::media::DecryptConfig</a></div><div class="ttdef"><b>Definition:</b> <a href="../../df/dad/decrypt__config_8h_source.html#l00040">decrypt_config.h:40</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html_af56c833453d65297c4dc96c9d2f83e1a"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html#af56c833453d65297c4dc96c9d2f83e1a">shaka::media::KeySource::GetKey</a></div><div class="ttdeci">virtual Status GetKey(const std::string &stream_label, EncryptionKey *key)=0</div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesCbcDecryptor_html"><div class="ttname"><a href="../../df/d2d/classshaka_1_1media_1_1AesCbcDecryptor.html">shaka::media::AesCbcDecryptor</a></div><div class="ttdoc">Class which implements AES-CBC (Cipher block chaining) decryption. </div><div class="ttdef"><b>Definition:</b> <a href="../../d8/d4d/aes__decryptor_8h_source.html#l00025">aes_decryptor.h:25</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1DecryptorSource_html_a8a1bd6a5a63b3f3c54028b43dfc67a6d"><div class="ttname"><a href="../../d7/d59/classshaka_1_1media_1_1DecryptorSource.html#a8a1bd6a5a63b3f3c54028b43dfc67a6d">shaka::media::DecryptorSource::DecryptSampleBuffer</a></div><div class="ttdeci">bool DecryptSampleBuffer(const DecryptConfig *decrypt_config, const uint8_t *encrypted_buffer, size_t buffer_size, uint8_t *decrypted_buffer)</div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d2a/decryptor__source_8cc_source.html#l00034">decryptor_source.cc:34</a></div></div>
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<div class="ttc" id="namespaceshaka_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="classshaka_1_1media_1_1AesPatternCryptor_html_a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16"><div class="ttname"><a href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html#a54fd35d7782d3b4948c7eb68387711f0a76b19d202e22b2b0f661f933b47b3b16">shaka::media::AesPatternCryptor::kEncryptIfCryptByteBlockRemaining</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d09/aes__pattern__cryptor_8h_source.html#l00026">aes_pattern_cryptor.h:26</a></div></div>
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<div class="ttc" id="classshaka_1_1Status_html"><div class="ttname"><a href="../../d2/d20/classshaka_1_1Status.html">shaka::Status</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/d13/status_8h_source.html#l00110">status.h:110</a></div></div>
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<div class="ttc" id="structshaka_1_1media_1_1EncryptionKey_html"><div class="ttname"><a href="../../dd/dbd/structshaka_1_1media_1_1EncryptionKey.html">shaka::media::EncryptionKey</a></div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00037">key_source.h:37</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesPatternCryptor_html"><div class="ttname"><a href="../../d3/dfe/classshaka_1_1media_1_1AesPatternCryptor.html">shaka::media::AesPatternCryptor</a></div><div class="ttdoc">Implements pattern-based encryption/decryption. </div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d09/aes__pattern__cryptor_8h_source.html#l00017">aes_pattern_cryptor.h:17</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesCtrEncryptor_html"><div class="ttname"><a href="../../d0/dd8/classshaka_1_1media_1_1AesCtrEncryptor.html">shaka::media::AesCtrEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00042">aes_encryptor.h:42</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1AesCryptor_html_a4875146da4761bb757d6b00132ae6fea"><div class="ttname"><a href="../../df/d87/classshaka_1_1media_1_1AesCryptor.html#a4875146da4761bb757d6b00132ae6fea">shaka::media::AesCryptor::SetIv</a></div><div class="ttdeci">bool SetIv(const std::vector< uint8_t > &iv)</div><div class="ttdef"><b>Definition:</b> <a href="../../d6/d55/aes__cryptor_8cc_source.html#l00067">aes_cryptor.cc:67</a></div></div>
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<div class="ttc" id="classshaka_1_1media_1_1KeySource_html"><div class="ttname"><a href="../../d1/d1f/classshaka_1_1media_1_1KeySource.html">shaka::media::KeySource</a></div><div class="ttdoc">KeySource is responsible for encryption key acquisition. </div><div class="ttdef"><b>Definition:</b> <a href="../../dc/d3f/key__source_8h_source.html#l00050">key_source.h:50</a></div></div>
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