<divclass="fragment"><divclass="line"><aname="l00001"></a><spanclass="lineno"> 1</span> <spanclass="comment">// Copyright 2014 Google Inc. All rights reserved.</span></div><divclass="line"><aname="l00002"></a><spanclass="lineno"> 2</span> <spanclass="comment">//</span></div><divclass="line"><aname="l00003"></a><spanclass="lineno"> 3</span> <spanclass="comment">// Use of this source code is governed by a BSD-style</span></div><divclass="line"><aname="l00004"></a><spanclass="lineno"> 4</span> <spanclass="comment">// license that can be found in the LICENSE file or at</span></div><divclass="line"><aname="l00005"></a><spanclass="lineno"> 5</span> <spanclass="comment">// https://developers.google.com/open-source/licenses/bsd</span></div><divclass="line"><aname="l00006"></a><spanclass="lineno"> 6</span> </div><divclass="line"><aname="l00007"></a><spanclass="lineno"> 7</span> <spanclass="preprocessor">#include "packager/media/base/aes_encryptor.h"</span></div><divclass="line"><aname="l00008"></a><spanclass="lineno"> 8</span> </div><divclass="line"><aname="l00009"></a><spanclass="lineno"> 9</span> <spanclass="preprocessor">#include <openssl/aes.h></span></div><divclass="line"><aname="l00010"></a><spanclass="lineno"> 10</span> </div><divclass="line"><aname="l00011"></a><spanclass="lineno"> 11</span> <spanclass="preprocessor">#include "packager/base/logging.h"</span></div><divclass="line"><aname="l00012"></a><spanclass="lineno"> 12</span> </div><divclass="line"><aname="l00013"></a><spanclass="lineno"> 13</span> <spanclass="keyword">namespace </span>{</div><divclass="line"><aname="l00014"></a><spanclass="lineno"> 14</span> </div><divclass="line"><aname="l00015"></a><spanclass="lineno"> 15</span> <spanclass="comment">// Increment an 8-byte counter by 1. Return true if overflowed.</span></div><divclass="line"><aname="l00016"></a><spanclass="lineno"> 16</span> <spanclass="keywordtype">bool</span> Increment64(uint8_t* counter) {</div><divclass="line"><aname="l00017"></a><spanclass="lineno"> 17</span>  DCHECK(counter);</div><divclass="line"><aname="l00018"></a><spanclass="lineno"> 18</span> <spanclass="keywordflow">for</span> (<spanclass="keywordtype">int</span> i = 7; i >= 0; --i) {</div><divclass="line"><aname="l00019"></a><spanclass="lineno"> 19</span> <spanclass="keywordflow">if</span> (++counter[i] != 0)</div><divclass="line"><aname="l00020"></a><spanclass="lineno"> 20</span> <spanclass="keywordflow">return</span><spanclass="keyword">false</span>;</div><divclass="line"><aname="l00021"></a><spanclass="lineno"> 21</span>  }</div><divclass="line"><aname="l00022"></a><spanclass="lineno"> 22</span> <spanclass="keywordflow">return</span><spanclass="keyword">true</span>;</div><divclass="line"><aname="l00023"></a><spanclass="lineno"> 23</span> }</div><divclass="line"><aname="l00024"></a><spanclass="lineno"> 24</span> </div><divclass="line"><aname="l00025"></a><spanclass="lineno"> 25</span> <spanclass="comment">// AES defines three key sizes: 128, 192 and 256 bits.</span></div><divclass="line"><aname="l00026"></a><spanclass="lineno"> 26</span> <spanclass="keywordtype">bool</span> IsKeySizeValidForAes(<spanclass="keywordtype">size_t</span> key_size) {</div><divclass="line"><aname="l00027"></a><spanclass="lineno"> 27</span> <spanclass="keywordflow">return</span> key_size == 16 || key_size == 24 || key_size == 32;</div><divclass="line"><aname="l00028"></a><spanclass="lineno"> 28</span> }</div><divclass="line"><aname="l00029"></a><spanclass="lineno"> 29</span> </div><divclass="line"><aname="l00030"></a><spanclass="lineno"> 30</span> } <spanclass="comment">// namespace</span></div><divclass="line"><aname="l00031"></a><spanclass="lineno"> 31</span> </div><div
<divclass="ttc"id="namespaceshaka_html"><divclass="ttname"><ahref="../../d8/daf/namespaceshaka.html">shaka</a></div><divclass="ttdoc">All the methods that are virtual are virtual for mocking. </div><divclass="ttdef"><b>Definition:</b><ahref="../../d4/d15/gflags__hex__bytes_8cc_source.html#l00011">gflags_hex_bytes.cc:11</a></div></div>
