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<div class="title">AuthenticatedCipher.h</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2015 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#ifndef CRYPTO_AUTHENTICATEDCIPHER_h</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"></span><span class="preprocessor">#define CRYPTO_AUTHENTICATEDCIPHER_h</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "Cipher.h"</span></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="classAuthenticatedCipher.html"> 28</a></span> <span class="keyword">class </span><a class="code" href="classAuthenticatedCipher.html">AuthenticatedCipher</a> : <span class="keyword">public</span> <a class="code" href="classCipher.html">Cipher</a></div>
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<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> {</div>
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<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword">public</span>:</div>
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<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <a class="code" href="classAuthenticatedCipher.html#a0b1c0210ecb9d374d09b5b62a5140ba2">AuthenticatedCipher</a>();</div>
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<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keyword">virtual</span> <a class="code" href="classAuthenticatedCipher.html#ae52a07be5b7265ea5898529ec21a79e4">~AuthenticatedCipher</a>();</div>
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<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div>
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<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keyword">virtual</span> <span class="keywordtype">size_t</span> <a class="code" href="classAuthenticatedCipher.html#a50c9de15b1ac1f3079dcfef626238759">tagSize</a>() <span class="keyword">const</span> = 0;</div>
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<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> </div>
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<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAuthenticatedCipher.html#abdb081bdf0d59c138cbcffd23c044b10">addAuthData</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len) = 0;</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>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classAuthenticatedCipher.html#a73fa4306053ed457e5c533b3127391c9">computeTag</a>(<span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len) = 0;</div>
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<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classAuthenticatedCipher.html#a4bb33d194e2c7d30c4e5a713e59786ff">checkTag</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *tag, <span class="keywordtype">size_t</span> len) = 0;</div>
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<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> };</div>
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<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> </div>
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<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#endif</span></div>
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<div class="ttc" id="classCipher_html"><div class="ttname"><a href="classCipher.html">Cipher</a></div><div class="ttdoc">Abstract base class for stream ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="Cipher_8h_source.html#l00029">Cipher.h:29</a></div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_a4bb33d194e2c7d30c4e5a713e59786ff"><div class="ttname"><a href="classAuthenticatedCipher.html#a4bb33d194e2c7d30c4e5a713e59786ff">AuthenticatedCipher::checkTag</a></div><div class="ttdeci">virtual bool checkTag(const void *tag, size_t len)=0</div><div class="ttdoc">Finalizes the decryption process and checks the authentication tag. </div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_ae52a07be5b7265ea5898529ec21a79e4"><div class="ttname"><a href="classAuthenticatedCipher.html#ae52a07be5b7265ea5898529ec21a79e4">AuthenticatedCipher::~AuthenticatedCipher</a></div><div class="ttdeci">virtual ~AuthenticatedCipher()</div><div class="ttdoc">Destroys this authenticated cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AuthenticatedCipher_8cpp_source.html#l00061">AuthenticatedCipher.cpp:61</a></div></div>
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<div class="ttc" id="classAuthenticatedCipher_html"><div class="ttname"><a href="classAuthenticatedCipher.html">AuthenticatedCipher</a></div><div class="ttdoc">Abstract base class for authenticated ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="AuthenticatedCipher_8h_source.html#l00028">AuthenticatedCipher.h:28</a></div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_a50c9de15b1ac1f3079dcfef626238759"><div class="ttname"><a href="classAuthenticatedCipher.html#a50c9de15b1ac1f3079dcfef626238759">AuthenticatedCipher::tagSize</a></div><div class="ttdeci">virtual size_t tagSize() const =0</div><div class="ttdoc">Returns the size of the authentication tag. </div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_a73fa4306053ed457e5c533b3127391c9"><div class="ttname"><a href="classAuthenticatedCipher.html#a73fa4306053ed457e5c533b3127391c9">AuthenticatedCipher::computeTag</a></div><div class="ttdeci">virtual void computeTag(void *tag, size_t len)=0</div><div class="ttdoc">Finalizes the encryption process and computes the authentication tag. </div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_abdb081bdf0d59c138cbcffd23c044b10"><div class="ttname"><a href="classAuthenticatedCipher.html#abdb081bdf0d59c138cbcffd23c044b10">AuthenticatedCipher::addAuthData</a></div><div class="ttdeci">virtual void addAuthData(const void *data, size_t len)=0</div><div class="ttdoc">Adds extra data that will be authenticated but not encrypted. </div></div>
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<div class="ttc" id="classAuthenticatedCipher_html_a0b1c0210ecb9d374d09b5b62a5140ba2"><div class="ttname"><a href="classAuthenticatedCipher.html#a0b1c0210ecb9d374d09b5b62a5140ba2">AuthenticatedCipher::AuthenticatedCipher</a></div><div class="ttdeci">AuthenticatedCipher()</div><div class="ttdoc">Constructs a new authenticated cipher. </div><div class="ttdef"><b>Definition:</b> <a href="AuthenticatedCipher_8cpp_source.html#l00054">AuthenticatedCipher.cpp:54</a></div></div>
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