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<a href="keccak_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// keccak.h - originally written and placed in the public domain by Wei Dai</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">/// \file keccak.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief Classes for Keccak message digests</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">/// \details The Crypto++ Keccak implementation uses F1600 with XOF d=0x01.</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/// FIPS 202 conformance (XOF d=0x06) is available in SHA3 classes.</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/// \details Keccak will likely change in the future to accommodate extensibility of the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/// round function and the XOF functions.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">/// \sa <a href="http://en.wikipedia.org/wiki/Keccak">Keccak</a></span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"></span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#ifndef CRYPTOPP_KECCAK_H</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#define CRYPTOPP_KECCAK_H</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "<a class="code" href="cryptlib_8h.html">cryptlib.h</a>"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#include "<a class="code" href="secblock_8h.html">secblock.h</a>"</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> </div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">/// \brief Keccak message digest base class</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"></span><span class="comment">/// \details The Crypto++ Keccak implementation uses F1600 with XOF d=0x01.</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"></span><span class="comment">/// FIPS 202 conformance (XOF d=0x06) is available in SHA3 classes.</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"></span><span class="comment">/// \details Keccak is the base class for Keccak_224, Keccak_256, Keccak_384 and Keccak_512.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span><span class="comment">/// Library users should instantiate a derived class, and only use Keccak</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span><span class="comment">/// as a base class reference or pointer.</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"></span><span class="comment">/// \details Keccak will likely change in the future to accommodate extensibility of the</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"></span><span class="comment">/// round function and the XOF functions.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"></span><span class="comment">/// \details Perform the following to specify a different digest size. The class will use F1600,</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"></span><span class="comment">/// XOF d=0x01, and a new vaue for <tt>r()</tt> (which will be <tt>200-2*24 = 152</tt>).</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment"></span><span class="comment">/// <pre> Keccack_192 : public Keccack</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment"></span><span class="comment">/// {</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="comment"></span><span class="comment">/// public:</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment"></span><span class="comment">/// CRYPTOPP_CONSTANT(DIGESTSIZE = 24)</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment"></span><span class="comment">/// Keccack_192() : Keccack(DIGESTSIZE) {}</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment"></span><span class="comment">/// };</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment"></span><span class="comment">/// </pre></span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment"></span><span class="comment">///</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span><span class="comment">/// \sa SHA3, Keccak_224, Keccak_256, Keccak_384 and Keccak_512.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment"></span><span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="class_keccak.html"> 40</a></span> <span class="comment"></span>class <a class="code" href="class_keccak.html">Keccak</a> : public <a class="code" href="class_hash_transformation.html">HashTransformation</a></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="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment"> /// \brief Construct a Keccak</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment"> /// \param digestSize the digest size, in bytes</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment"> /// \details Keccak is the base class for Keccak_224, Keccak_256, Keccak_384 and Keccak_512.</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"> /// Library users should instantiate a derived class, and only use Keccak</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment"> /// as a base class reference or pointer.</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment"> /// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_keccak.html#a280221957dcabf511e23a0002bb7b5f7"> 49</a></span> <span class="comment"></span> <a class="code" href="class_keccak.html#a280221957dcabf511e23a0002bb7b5f7">Keccak</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> digestSize) : m_digestSize(digestSize) {Restart();}</div><div class="line"><a name="l00050"></a><span class="lineno"><a class="line" href="class_keccak.html#a24075bc16b4600d30959841c0d6c5b2a"> 50</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_keccak.html#a24075bc16b4600d30959841c0d6c5b2a">DigestSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_digestSize;}</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_keccak.html#a99b4bd31b9a422923c693042285bcc64"> 51</a></span>  std::string <a class="code" href="class_keccak.html#a99b4bd31b9a422923c693042285bcc64">AlgorithmName</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="stringliteral">"Keccak-"</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(m_digestSize*8);}</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  CRYPTOPP_STATIC_CONSTEXPR <span class="keyword">const</span> <span class="keywordtype">char</span>* StaticAlgorithmName() { <span class="keywordflow">return</span> <span class="stringliteral">"Keccak"</span>; }</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="class_keccak.html#abf8c68ac5978cb79fe6454535f00d3ea"> 53</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_keccak.html#abf8c68ac5978cb79fe6454535f00d3ea">OptimalDataAlignment</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> GetAlignmentOf<word64>();}</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> Update(<span class="keyword">const</span> byte *input, <span class="keywordtype">size_t</span> length);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">void</span> Restart();</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> TruncatedFinal(byte *hash, <span class="keywordtype">size_t</span> size);</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>  <span class="comment">//unsigned int BlockSize() const { return r(); } // that's the idea behind it</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keyword">inline</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> r()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 200 - 2 * m_digestSize;}</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <a class="code" href="class_fixed_size_sec_block.html">FixedSizeSecBlock<word64, 25></a> m_state;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_digestSize, m_counter;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> };</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment"></span></div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment">/// \brief Keccak message digest template</span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/// \tparam T_DigestSize the size of the digest, in bytes</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment"></span><span class="keyword">template</span><<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> T_DigestSize></div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_keccak___final.html"> 72</a></span> <span class="keyword">class </span><a class="code" href="class_keccak___final.html">Keccak_Final</a> : <span class="keyword">public</span> <a class="code" href="class_keccak.html">Keccak</a></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> {</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  CRYPTOPP_CONSTANT(DIGESTSIZE = T_DigestSize)</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  CRYPTOPP_CONSTANT(BLOCKSIZE = 200 - 2 * DIGESTSIZE)</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">/// \brief Construct a Keccak-X message digest</span></div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_keccak___final.html#acc97a70540e55fec14ce104f252cb579"> 79</a></span> <span class="comment"></span> <a class="code" href="class_keccak___final.html">Keccak_Final</a>() : <a class="code" href="class_keccak.html">Keccak</a>(DIGESTSIZE) {}</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">static</span> std::string StaticAlgorithmName() { <span class="keywordflow">return</span> <span class="stringliteral">"Keccak-"</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(DIGESTSIZE * 8); }</div><div class="line"><a name="l00081"></a><span class="lineno"><a class="line" href="class_keccak___final.html#a5655e022640c9be684a85de343ac8f33"> 81</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_keccak___final.html#a5655e022640c9be684a85de343ac8f33">BlockSize</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> BLOCKSIZE; }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <a class="code" href="misc_8h.html#a6b378b1b9b2d4654cc852c088742ba70">CRYPTOPP_COMPILE_ASSERT</a>(BLOCKSIZE < 200); <span class="comment">// ensure there was no underflow in the math</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="misc_8h.html#a6b378b1b9b2d4654cc852c088742ba70">CRYPTOPP_COMPILE_ASSERT</a>(BLOCKSIZE > (<span class="keywordtype">int</span>)T_DigestSize); <span class="comment">// this is a general expectation by HMAC</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> };</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment"></span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">/// \brief Keccak-224 message digest</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="keccak_8h.html#a6ec8053b635cae2f01b9462093d5aa89"> 89</a></span> <span class="comment"></span><span class="keyword">typedef</span> <a class="code" href="class_keccak___final.html">Keccak_Final<28></a> <a class="code" href="keccak_8h.html#a6ec8053b635cae2f01b9462093d5aa89">Keccak_224</a>;</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> <span class="comment"></span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="comment">/// \brief Keccak-256 message digest</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00093"></a><span class="lineno"><a class="line" href="keccak_8h.html#aadbe50b383f9efd5bf7bb072e9553648"> 93</a></span> <span class="comment"></span><span class="keyword">typedef</span> <a class="code" href="class_keccak___final.html">Keccak_Final<32></a> <a class="code" href="keccak_8h.html#aadbe50b383f9efd5bf7bb072e9553648">Keccak_256</a>;</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment"></span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">/// \brief Keccak-384 message digest</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="keccak_8h.html#a19cf66c84e2ec033afbd4afd7d7eb799"> 97</a></span> <span class="comment"></span><span class="keyword">typedef</span> <a class="code" href="class_keccak___final.html">Keccak_Final<48></a> <a class="code" href="keccak_8h.html#a19cf66c84e2ec033afbd4afd7d7eb799">Keccak_384</a>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment"></span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment">/// \brief Keccak-512 message digest</span></div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="comment">/// \since Crypto++ 5.6.4</span></div><div class="line"><a name="l00101"></a><span class="lineno"><a class="line" href="keccak_8h.html#a4525acd75510cf423fa949ad9dc206e8"> 101</a></span> <span class="comment"></span><span class="keyword">typedef</span> <a class="code" href="class_keccak___final.html">Keccak_Final<64></a> <a class="code" href="keccak_8h.html#a4525acd75510cf423fa949ad9dc206e8">Keccak_512</a>;</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> NAMESPACE_END</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> </div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="cryptlib_8h_html"><div class="ttname"><a href="cryptlib_8h.html">cryptlib.h</a></div><div class="ttdoc">Abstract base classes that provide a uniform interface to this library. </div></div>
<div class="ttc" id="keccak_8h_html_a4525acd75510cf423fa949ad9dc206e8"><div class="ttname"><a href="keccak_8h.html#a4525acd75510cf423fa949ad9dc206e8">Keccak_512</a></div><div class="ttdeci">Keccak_Final< 64 > Keccak_512</div><div class="ttdoc">Keccak-512 message digest. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00101">keccak.h:101</a></div></div>
<div class="ttc" id="class_keccak_html_a24075bc16b4600d30959841c0d6c5b2a"><div class="ttname"><a href="class_keccak.html#a24075bc16b4600d30959841c0d6c5b2a">Keccak::DigestSize</a></div><div class="ttdeci">unsigned int DigestSize() const</div><div class="ttdoc">Provides the digest size of the hash. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00050">keccak.h:50</a></div></div>
<div class="ttc" id="keccak_8h_html_a6ec8053b635cae2f01b9462093d5aa89"><div class="ttname"><a href="keccak_8h.html#a6ec8053b635cae2f01b9462093d5aa89">Keccak_224</a></div><div class="ttdeci">Keccak_Final< 28 > Keccak_224</div><div class="ttdoc">Keccak-224 message digest. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00089">keccak.h:89</a></div></div>
<div class="ttc" id="secblock_8h_html"><div class="ttname"><a href="secblock_8h.html">secblock.h</a></div><div class="ttdoc">Classes and functions for secure memory allocations. </div></div>
<div class="ttc" id="class_keccak_html_a99b4bd31b9a422923c693042285bcc64"><div class="ttname"><a href="class_keccak.html#a99b4bd31b9a422923c693042285bcc64">Keccak::AlgorithmName</a></div><div class="ttdeci">std::string AlgorithmName() const</div><div class="ttdoc">Provides the name of this algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00051">keccak.h:51</a></div></div>
<div class="ttc" id="misc_8h_html_a6b378b1b9b2d4654cc852c088742ba70"><div class="ttname"><a href="misc_8h.html#a6b378b1b9b2d4654cc852c088742ba70">CRYPTOPP_COMPILE_ASSERT</a></div><div class="ttdeci">#define CRYPTOPP_COMPILE_ASSERT(expr)</div><div class="ttdoc">Compile time assertion. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00144">misc.h:144</a></div></div>
<div class="ttc" id="class_keccak_html_abf8c68ac5978cb79fe6454535f00d3ea"><div class="ttname"><a href="class_keccak.html#abf8c68ac5978cb79fe6454535f00d3ea">Keccak::OptimalDataAlignment</a></div><div class="ttdeci">unsigned int OptimalDataAlignment() const</div><div class="ttdoc">Provides input and output data alignment for optimal performance. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00053">keccak.h:53</a></div></div>
<div class="ttc" id="class_keccak___final_html_a5655e022640c9be684a85de343ac8f33"><div class="ttname"><a href="class_keccak___final.html#a5655e022640c9be684a85de343ac8f33">Keccak_Final::BlockSize</a></div><div class="ttdeci">unsigned int BlockSize() const</div><div class="ttdoc">Provides the block size of the compression function. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00081">keccak.h:81</a></div></div>
<div class="ttc" id="class_keccak_html_a280221957dcabf511e23a0002bb7b5f7"><div class="ttname"><a href="class_keccak.html#a280221957dcabf511e23a0002bb7b5f7">Keccak::Keccak</a></div><div class="ttdeci">Keccak(unsigned int digestSize)</div><div class="ttdoc">Construct a Keccak. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00049">keccak.h:49</a></div></div>
<div class="ttc" id="class_keccak_html"><div class="ttname"><a href="class_keccak.html">Keccak</a></div><div class="ttdoc">Keccak message digest base class. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00040">keccak.h:40</a></div></div>
<div class="ttc" id="class_fixed_size_sec_block_html"><div class="ttname"><a href="class_fixed_size_sec_block.html">FixedSizeSecBlock< word64, 25 ></a></div></div>
<div class="ttc" id="keccak_8h_html_a19cf66c84e2ec033afbd4afd7d7eb799"><div class="ttname"><a href="keccak_8h.html#a19cf66c84e2ec033afbd4afd7d7eb799">Keccak_384</a></div><div class="ttdeci">Keccak_Final< 48 > Keccak_384</div><div class="ttdoc">Keccak-384 message digest. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00097">keccak.h:97</a></div></div>
<div class="ttc" id="keccak_8h_html_aadbe50b383f9efd5bf7bb072e9553648"><div class="ttname"><a href="keccak_8h.html#aadbe50b383f9efd5bf7bb072e9553648">Keccak_256</a></div><div class="ttdeci">Keccak_Final< 32 > Keccak_256</div><div class="ttdoc">Keccak-256 message digest. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00093">keccak.h:93</a></div></div>
<div class="ttc" id="class_hash_transformation_html"><div class="ttname"><a href="class_hash_transformation.html">HashTransformation</a></div><div class="ttdoc">Interface for hash functions and data processing part of MACs. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01065">cryptlib.h:1065</a></div></div>
<div class="ttc" id="misc_8h_html_a6cd7decd035cc4e144cd3d395e834106"><div class="ttname"><a href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a></div><div class="ttdeci">std::string IntToString(T value, unsigned int base=10)</div><div class="ttdoc">Converts a value to a string. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00576">misc.h:576</a></div></div>
<div class="ttc" id="class_keccak___final_html"><div class="ttname"><a href="class_keccak___final.html">Keccak_Final</a></div><div class="ttdoc">Keccak message digest template. </div><div class="ttdef"><b>Definition:</b> <a href="keccak_8h_source.html#l00072">keccak.h:72</a></div></div>
<div class="ttc" id="namespace_crypto_p_p_html"><div class="ttname"><a href="namespace_crypto_p_p.html">CryptoPP</a></div><div class="ttdoc">Crypto++ library namespace. </div></div>
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