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<div class="title">aes_encryptor.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<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>&#160;<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>&#160;<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>&#160;<span class="comment">//</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment">// AES Encryptor implementation using openssl.</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;</div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="preprocessor">#ifndef MEDIA_BASE_AES_ENCRYPTOR_H_</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define MEDIA_BASE_AES_ENCRYPTOR_H_</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;</div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="preprocessor">#include &quot;packager/base/memory/scoped_ptr.h&quot;</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="preprocessor">#include &quot;packager/base/stl_util.h&quot;</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;<span class="keyword">struct </span>aes_key_st;</div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="keyword">typedef</span> <span class="keyword">struct </span>aes_key_st AES_KEY;</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="keyword">namespace </span>edash_packager {</div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="keyword">namespace </span>media {</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="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html"> 24</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a> {</div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160; <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a>();</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; <span class="keyword">virtual</span> ~<a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a>();</div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a49631d3d3d834bf7d78e0d51d7b33651">InitializeWithRandomIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; uint8_t iv_size);</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a6c225492907f281a7c08a76e012f8ba7">InitializeWithIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) = 0;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160;</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> NumPaddingBytes(<span class="keywordtype">size_t</span> size) = 0;</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160;</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> EncryptData(<span class="keyword">const</span> uint8_t* plaintext,</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordtype">size_t</span> plaintext_size,</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; uint8_t* ciphertext) = 0;</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; <span class="keywordtype">bool</span> Encrypt(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; plaintext,</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; std::vector&lt;uint8_t&gt;* ciphertext);</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordtype">bool</span> Encrypt(<span class="keyword">const</span> std::string&amp; plaintext, std::string* ciphertext);</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a23724f4f7a8a94599ced13878af59d51">UpdateIv</a>() = 0;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a90d1ed31ee6c25dd0b27cb48c1366699">SetIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) = 0;</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> iv_; }</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160; <span class="keyword">protected</span>:</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; <span class="comment">// Initialization vector, with size 8 or 16.</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; std::vector&lt;uint8_t&gt; iv_;</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="comment">// Openssl AES_KEY.</span></div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; scoped_ptr&lt;AES_KEY&gt; aes_key_;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160;</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a>);</div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160;};</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160;</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160;<span class="comment">// Class which implements AES-CTR counter-mode encryption/decryption.</span></div>
<div class="line"><a name="l00078"></a><span class="lineno"><a class="line" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html"> 78</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">AesCtrEncryptor</a> : <span class="keyword">public</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a> {</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; <a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">AesCtrEncryptor</a>();</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; ~<a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">AesCtrEncryptor</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#a2fa3278643f5d2ef4083a04ad44933f3">InitializeWithIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; <span class="keywordtype">size_t</span> NumPaddingBytes(<span class="keywordtype">size_t</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordtype">bool</span> EncryptData(<span class="keyword">const</span> uint8_t* plaintext,</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordtype">size_t</span> plaintext_size,</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; uint8_t* ciphertext) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#a27cc6076b6f5edd8c096753ae157a1db">UpdateIv</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#ac70e6553917ad948fb2c18101de0f8d9">SetIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160; uint32_t block_offset()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> block_offset_; }</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; <span class="comment">// Current block offset.</span></div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; uint32_t block_offset_;</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; <span class="comment">// Current AES-CTR counter.</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; std::vector&lt;uint8_t&gt; counter_;</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="comment">// Encrypted counter.</span></div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; std::vector&lt;uint8_t&gt; encrypted_counter_;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="comment">// Keep track of whether the counter has overflowed.</span></div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; <span class="keywordtype">bool</span> counter_overflow_;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">AesCtrEncryptor</a>);</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;};</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160;<span class="comment">// Class which implements AES-CBC (Cipher block chaining) encryption with</span></div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;<span class="comment">// PKCS#5 padding.</span></div>
<div class="line"><a name="l00123"></a><span class="lineno"><a class="line" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html"> 123</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html">AesCbcPkcs5Encryptor</a> : <span class="keyword">public</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a> {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; <a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html">AesCbcPkcs5Encryptor</a>();</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; ~<a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html">AesCbcPkcs5Encryptor</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#acff7cfca3a800344952a86e13dfad896">InitializeWithIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160; <span class="keywordtype">size_t</span> NumPaddingBytes(<span class="keywordtype">size_t</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <span class="keywordtype">bool</span> EncryptData(<span class="keyword">const</span> uint8_t* plaintext,</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; <span class="keywordtype">size_t</span> plaintext_size,</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; uint8_t* ciphertext) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#aab27a1d7244f1dcdd7aa75b0fc1be995">UpdateIv</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160;</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#ad21bb8d1ea5aa49645c9b3476f6bcc8a">SetIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html">AesCbcPkcs5Encryptor</a>);</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;};</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160;<span class="comment">// Class which implements AES-CBC (Cipher block chaining) encryption with</span></div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160;<span class="comment">// Ciphertext stealing.</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html"> 150</a></span>&#160;<span class="keyword">class </span><a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html">AesCbcCtsEncryptor</a> : <span class="keyword">public</span> <a class="code" href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">AesEncryptor</a> {</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; <span class="keyword">public</span>:</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160; <a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html">AesCbcCtsEncryptor</a>();</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160; ~<a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html">AesCbcCtsEncryptor</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#ad9f134c35f24ebf4c1877ad76f8622b7">InitializeWithIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; key,</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160; <span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; <span class="keywordtype">size_t</span> NumPaddingBytes(<span class="keywordtype">size_t</span> size) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; <span class="keywordtype">bool</span> EncryptData(<span class="keyword">const</span> uint8_t* plaintext,</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; <span class="keywordtype">size_t</span> plaintext_size,</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; uint8_t* ciphertext) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160;</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="keywordtype">void</span> <a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#abd04cf7a533527022735eb79151db262">UpdateIv</a>() <span class="keyword">override</span>;</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160;</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="keywordtype">bool</span> <a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#ae6df0c4b5a1db50537f74deb36b96292">SetIv</a>(<span class="keyword">const</span> std::vector&lt;uint8_t&gt;&amp; iv) <span class="keyword">override</span>;</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160;</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="keyword">private</span>:</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; DISALLOW_COPY_AND_ASSIGN(<a class="code" href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html">AesCbcCtsEncryptor</a>);</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160;};</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160;</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160;} <span class="comment">// namespace media</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160;} <span class="comment">// namespace edash_packager</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160;</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160;<span class="preprocessor">#endif // MEDIA_BASE_AES_ENCRYPTOR_H_</span></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesEncryptor_html_a6c225492907f281a7c08a76e012f8ba7"><div class="ttname"><a href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a6c225492907f281a7c08a76e012f8ba7">edash_packager::media::AesEncryptor::InitializeWithIv</a></div><div class="ttdeci">virtual bool InitializeWithIv(const std::vector&lt; uint8_t &gt; &amp;key, const std::vector&lt; uint8_t &gt; &amp;iv)=0</div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCtrEncryptor_html_a2fa3278643f5d2ef4083a04ad44933f3"><div class="ttname"><a href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#a2fa3278643f5d2ef4083a04ad44933f3">edash_packager::media::AesCtrEncryptor::InitializeWithIv</a></div><div class="ttdeci">bool InitializeWithIv(const std::vector&lt; uint8_t &gt; &amp;key, const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00084">aes_encryptor.cc:84</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCtrEncryptor_html_a27cc6076b6f5edd8c096753ae157a1db"><div class="ttname"><a href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#a27cc6076b6f5edd8c096753ae157a1db">edash_packager::media::AesCtrEncryptor::UpdateIv</a></div><div class="ttdeci">void UpdateIv() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00128">aes_encryptor.cc:128</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor_html_acff7cfca3a800344952a86e13dfad896"><div class="ttname"><a href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#acff7cfca3a800344952a86e13dfad896">edash_packager::media::AesCbcPkcs5Encryptor::InitializeWithIv</a></div><div class="ttdeci">bool InitializeWithIv(const std::vector&lt; uint8_t &gt; &amp;key, const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00172">aes_encryptor.cc:172</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCtrEncryptor_html_ac70e6553917ad948fb2c18101de0f8d9"><div class="ttname"><a href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html#ac70e6553917ad948fb2c18101de0f8d9">edash_packager::media::AesCtrEncryptor::SetIv</a></div><div class="ttdeci">bool SetIv(const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00157">aes_encryptor.cc:157</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesEncryptor_html"><div class="ttname"><a href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html">edash_packager::media::AesEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00024">aes_encryptor.h:24</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcCtsEncryptor_html_ae6df0c4b5a1db50537f74deb36b96292"><div class="ttname"><a href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#ae6df0c4b5a1db50537f74deb36b96292">edash_packager::media::AesCbcCtsEncryptor::SetIv</a></div><div class="ttdeci">bool SetIv(const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00308">aes_encryptor.cc:308</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesEncryptor_html_a23724f4f7a8a94599ced13878af59d51"><div class="ttname"><a href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a23724f4f7a8a94599ced13878af59d51">edash_packager::media::AesEncryptor::UpdateIv</a></div><div class="ttdeci">virtual void UpdateIv()=0</div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor_html_ad21bb8d1ea5aa49645c9b3476f6bcc8a"><div class="ttname"><a href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#ad21bb8d1ea5aa49645c9b3476f6bcc8a">edash_packager::media::AesCbcPkcs5Encryptor::SetIv</a></div><div class="ttdeci">bool SetIv(const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00217">aes_encryptor.cc:217</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCtrEncryptor_html"><div class="ttname"><a href="../../dd/d79/classedash__packager_1_1media_1_1AesCtrEncryptor.html">edash_packager::media::AesCtrEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00078">aes_encryptor.h:78</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor_html_aab27a1d7244f1dcdd7aa75b0fc1be995"><div class="ttname"><a href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html#aab27a1d7244f1dcdd7aa75b0fc1be995">edash_packager::media::AesCbcPkcs5Encryptor::UpdateIv</a></div><div class="ttdeci">void UpdateIv() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00215">aes_encryptor.cc:215</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesEncryptor_html_a49631d3d3d834bf7d78e0d51d7b33651"><div class="ttname"><a href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a49631d3d3d834bf7d78e0d51d7b33651">edash_packager::media::AesEncryptor::InitializeWithRandomIv</a></div><div class="ttdeci">virtual bool InitializeWithRandomIv(const std::vector&lt; uint8_t &gt; &amp;key, uint8_t iv_size)</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00046">aes_encryptor.cc:46</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcCtsEncryptor_html_abd04cf7a533527022735eb79151db262"><div class="ttname"><a href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#abd04cf7a533527022735eb79151db262">edash_packager::media::AesCbcCtsEncryptor::UpdateIv</a></div><div class="ttdeci">void UpdateIv() override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00306">aes_encryptor.cc:306</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcCtsEncryptor_html_ad9f134c35f24ebf4c1877ad76f8622b7"><div class="ttname"><a href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html#ad9f134c35f24ebf4c1877ad76f8622b7">edash_packager::media::AesCbcCtsEncryptor::InitializeWithIv</a></div><div class="ttdeci">bool InitializeWithIv(const std::vector&lt; uint8_t &gt; &amp;key, const std::vector&lt; uint8_t &gt; &amp;iv) override</div><div class="ttdef"><b>Definition:</b> <a href="../../d5/da4/aes__encryptor_8cc_source.html#l00230">aes_encryptor.cc:230</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor_html"><div class="ttname"><a href="../../d6/dc4/classedash__packager_1_1media_1_1AesCbcPkcs5Encryptor.html">edash_packager::media::AesCbcPkcs5Encryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00123">aes_encryptor.h:123</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesCbcCtsEncryptor_html"><div class="ttname"><a href="../../d6/da2/classedash__packager_1_1media_1_1AesCbcCtsEncryptor.html">edash_packager::media::AesCbcCtsEncryptor</a></div><div class="ttdef"><b>Definition:</b> <a href="../../d1/df0/aes__encryptor_8h_source.html#l00150">aes_encryptor.h:150</a></div></div>
<div class="ttc" id="classedash__packager_1_1media_1_1AesEncryptor_html_a90d1ed31ee6c25dd0b27cb48c1366699"><div class="ttname"><a href="../../dc/d92/classedash__packager_1_1media_1_1AesEncryptor.html#a90d1ed31ee6c25dd0b27cb48c1366699">edash_packager::media::AesEncryptor::SetIv</a></div><div class="ttdeci">virtual bool SetIv(const std::vector&lt; uint8_t &gt; &amp;iv)=0</div></div>
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