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 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<a href="eax_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">// eax.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 eax.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief EAX block cipher mode of operation</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"></span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef CRYPTOPP_EAX_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define CRYPTOPP_EAX_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 "<a class="code" href="authenc_8h.html">authenc.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="modes_8h.html">modes.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="cmac_8h.html">cmac.h</a>"</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> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</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="comment">/// \brief EAX block cipher base implementation</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span><span class="comment">/// \details Base implementation of the AuthenticatedSymmetricCipher interface</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"></span><span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00018"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html"> 18</a></span> <span class="comment"></span>class CRYPTOPP_NO_VTABLE <a class="code" href="class_e_a_x___base.html">EAX_Base</a> : public <a class="code" href="class_authenticated_symmetric_cipher_base.html">AuthenticatedSymmetricCipherBase</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="keyword">public</span>:</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="comment">// AuthenticatedSymmetricCipher</span></div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a81723ff3588ca8b1016df0609790d500"> 22</a></span>  std::string <a class="code" href="class_e_a_x___base.html#a81723ff3588ca8b1016df0609790d500">AlgorithmName</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().GetCipher().AlgorithmName() + std::string(<span class="stringliteral">"/EAX"</span>);}</div><div class="line"><a name="l00024"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#acd67006c525686bee39dd17b5a426ca8"> 24</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_e_a_x___base.html#acd67006c525686bee39dd17b5a426ca8">MinKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().MinKeyLength();}</div><div class="line"><a name="l00026"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a29aad73da260528ea29a3354de960386"> 26</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_e_a_x___base.html#a29aad73da260528ea29a3354de960386">MaxKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().MaxKeyLength();}</div><div class="line"><a name="l00028"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#af9124be8d30b1f221f7794a84ded019b"> 28</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_e_a_x___base.html#af9124be8d30b1f221f7794a84ded019b">DefaultKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().DefaultKeyLength();}</div><div class="line"><a name="l00030"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a6c0cfcf0f5110d2e4553e648d338c287"> 30</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_e_a_x___base.html#a6c0cfcf0f5110d2e4553e648d338c287">GetValidKeyLength</a>(<span class="keywordtype">size_t</span> n)<span class="keyword"> const</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().GetValidKeyLength(n);}</div><div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a9c2ee393fad227abce4f91c36f837616"> 32</a></span>  <span class="keywordtype">bool</span> <a class="code" href="class_e_a_x___base.html#a9c2ee393fad227abce4f91c36f837616">IsValidKeyLength</a>(<span class="keywordtype">size_t</span> n)<span class="keyword"> const</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().IsValidKeyLength(n);}</div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a6485bcdaa74651a8d162c9f7d5f3caa5"> 34</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_e_a_x___base.html#a6485bcdaa74651a8d162c9f7d5f3caa5">OptimalDataAlignment</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().OptimalDataAlignment();}</div><div class="line"><a name="l00036"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a3e1ea6adc7f30075133145b7ce4f78db"> 36</a></span>  <a class="code" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> <a class="code" href="class_e_a_x___base.html#a3e1ea6adc7f30075133145b7ce4f78db">IVRequirement</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> UNIQUE_IV;}</div><div class="line"><a name="l00038"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#ac5d50e38a2cd85408a18de6c3b7e60ab"> 38</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_e_a_x___base.html#ac5d50e38a2cd85408a18de6c3b7e60ab">IVSize</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().TagSize();}</div><div class="line"><a name="l00040"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a351a91f6f8eb068a173c41eacb9da88c"> 40</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_e_a_x___base.html#a351a91f6f8eb068a173c41eacb9da88c">MinIVLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> 0;}</div><div class="line"><a name="l00042"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a87227a66cfef5e28aa0254697c4fc4f6"> 42</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_e_a_x___base.html#a87227a66cfef5e28aa0254697c4fc4f6">MaxIVLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> UINT_MAX;}</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#a1d873c90d21bb02be1aef82092ccd015"> 44</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_e_a_x___base.html#a1d873c90d21bb02be1aef82092ccd015">DigestSize</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetMAC().TagSize();}</div><div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#aa062140a35de07db35de3dccd3deb1d8"> 46</a></span>  lword <a class="code" href="class_e_a_x___base.html#aa062140a35de07db35de3dccd3deb1d8">MaxHeaderLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> LWORD_MAX;}</div><div class="line"><a name="l00048"></a><span class="lineno"><a class="line" href="class_e_a_x___base.html#aa9ed0cdcd7de1a4c1213a65b30d49bf3"> 48</a></span>  lword <a class="code" href="class_e_a_x___base.html#aa9ed0cdcd7de1a4c1213a65b30d49bf3">MaxMessageLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> LWORD_MAX;}</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> </div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="comment">// AuthenticatedSymmetricCipherBase</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">bool</span> AuthenticationIsOnPlaintext()<span class="keyword"> const</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> <span class="keyword">false</span>;}</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> AuthenticationBlockSize()<span class="keyword"> const</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> 1;}</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keywordtype">void</span> SetKeyWithoutResync(<span class="keyword">const</span> <span class="keywordtype">byte</span> *userKey, <span class="keywordtype">size_t</span> keylength, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordtype">void</span> Resync(<span class="keyword">const</span> <span class="keywordtype">byte</span> *iv, <span class="keywordtype">size_t</span> len);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">size_t</span> AuthenticateBlocks(<span class="keyword">const</span> <span class="keywordtype">byte</span> *data, <span class="keywordtype">size_t</span> len);</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">void</span> AuthenticateLastHeaderBlock();</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> AuthenticateLastFooterBlock(<span class="keywordtype">byte</span> *mac, <span class="keywordtype">size_t</span> macSize);</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <a class="code" href="class_symmetric_cipher.html">SymmetricCipher</a> & AccessSymmetricCipher() {<span class="keywordflow">return</span> m_ctr;}</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keyword">const</span> <a class="code" href="class_c_m_a_c___base.html">CMAC_Base</a> & GetMAC()<span class="keyword"> const </span>{<span class="keywordflow">return</span> const_cast<EAX_Base *>(<span class="keyword">this</span>)->AccessMAC();}</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">virtual</span> <a class="code" href="class_c_m_a_c___base.html">CMAC_Base</a> & AccessMAC() =0;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> </div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CTR_Mode_ExternalCipher::Encryption</a> m_ctr;</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> };</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="comment"></span></div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="comment">/// \brief EAX block cipher final implementation</span></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="comment">/// \tparam T_BlockCipher block cipher</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="comment">/// \tparam T_IsEncryption direction in which to operate the cipher</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_BlockCipher, <span class="keywordtype">bool</span> T_IsEncryption></div><div class="line"><a name="l00074"></a><span class="lineno"><a class="line" href="class_e_a_x___final.html"> 74</a></span> <span class="keyword">class </span><a class="code" href="class_e_a_x___final.html">EAX_Final</a> : <span class="keyword">public</span> <a class="code" href="class_e_a_x___base.html">EAX_Base</a></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> {</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">static</span> std::string StaticAlgorithmName()</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  {<span class="keywordflow">return</span> T_BlockCipher::StaticAlgorithmName() + std::string(<span class="stringliteral">"/EAX"</span>);}</div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_e_a_x___final.html#a709cc142f1de5d5c2b4878c20affd7d3"> 79</a></span>  <span class="keywordtype">bool</span> <a class="code" href="class_e_a_x___final.html#a709cc142f1de5d5c2b4878c20affd7d3">IsForwardTransformation</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> T_IsEncryption;}</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span> </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="class_c_m_a_c___base.html">CMAC_Base</a> & AccessMAC() {<span class="keywordflow">return</span> m_cmac;}</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="class_c_m_a_c.html">CMAC<T_BlockCipher></a> m_cmac;</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> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="preprocessor">#ifdef EAX // EAX is defined to 11 on GCC 3.4.3, OpenSolaris 8.11</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#undef EAX</span></div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor">#endif</span></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 EAX block cipher mode of operation</span></div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="comment">/// \tparam T_BlockCipher block cipher</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="comment">/// \details \p EAX provides the \p Encryption and \p Decryption typedef. See EAX_Base</span></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="comment">/// and EAX_Final for the AuthenticatedSymmetricCipher implementation.</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="comment">/// \sa <a href="http://www.cryptopp.com/wiki/EAX_Mode">EAX Mode</a> and</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> <span class="comment">/// <A HREF="http://www.cryptopp.com/wiki/Modes_of_Operation">Modes of Operation</A></span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="comment">/// on the Crypto++ wiki.</span></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> <span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_BlockCipher></div><div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="struct_e_a_x.html"> 100</a></span> <span class="keyword">struct </span><a class="code" href="struct_e_a_x.html">EAX</a> : <span class="keyword">public</span> <a class="code" href="struct_authenticated_symmetric_cipher_documentation.html">AuthenticatedSymmetricCipherDocumentation</a></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>  <span class="keyword">typedef</span> <a class="code" href="class_e_a_x___final.html">EAX_Final<T_BlockCipher, true></a> <a class="code" href="class_e_a_x___final.html">Encryption</a>;</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">typedef</span> <a class="code" href="class_e_a_x___final.html">EAX_Final<T_BlockCipher, false></a> <a class="code" href="class_e_a_x___final.html">Decryption</a>;</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> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> NAMESPACE_END</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_cipher_mode_final_template___external_cipher_html"><div class="ttname"><a href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher< ConcretePolicyHolder< Empty, AdditiveCipherTemplate< AbstractPolicyHolder< AdditiveCipherAbstractPolicy, CTR_ModePolicy > > > ></a></div></div>
<div class="ttc" id="class_e_a_x___final_html_a709cc142f1de5d5c2b4878c20affd7d3"><div class="ttname"><a href="class_e_a_x___final.html#a709cc142f1de5d5c2b4878c20affd7d3">EAX_Final::IsForwardTransformation</a></div><div class="ttdeci">bool IsForwardTransformation() const</div><div class="ttdoc">Determines if the cipher is being operated in its forward direction.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00079">eax.h:79</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_af9124be8d30b1f221f7794a84ded019b"><div class="ttname"><a href="class_e_a_x___base.html#af9124be8d30b1f221f7794a84ded019b">EAX_Base::DefaultKeyLength</a></div><div class="ttdeci">size_t DefaultKeyLength() const</div><div class="ttdoc">Returns default key length.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00028">eax.h:28</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a9c2ee393fad227abce4f91c36f837616"><div class="ttname"><a href="class_e_a_x___base.html#a9c2ee393fad227abce4f91c36f837616">EAX_Base::IsValidKeyLength</a></div><div class="ttdeci">bool IsValidKeyLength(size_t n) const</div><div class="ttdoc">Returns whether keylength is a valid key length.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00032">eax.h:32</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_aa062140a35de07db35de3dccd3deb1d8"><div class="ttname"><a href="class_e_a_x___base.html#aa062140a35de07db35de3dccd3deb1d8">EAX_Base::MaxHeaderLength</a></div><div class="ttdeci">lword MaxHeaderLength() const</div><div class="ttdoc">Provides the maximum length of AAD that can be input.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00046">eax.h:46</a></div></div>
<div class="ttc" id="modes_8h_html"><div class="ttname"><a href="modes_8h.html">modes.h</a></div><div class="ttdoc">Classes for block cipher modes of operation.</div></div>
<div class="ttc" id="struct_authenticated_symmetric_cipher_documentation_html"><div class="ttname"><a href="struct_authenticated_symmetric_cipher_documentation.html">AuthenticatedSymmetricCipherDocumentation</a></div><div class="ttdoc">Provides Encryption and Decryption typedefs used by derived classes to implement an authenticated enc...</div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00447">seckey.h:447</a></div></div>
<div class="ttc" id="class_e_a_x___base_html"><div class="ttname"><a href="class_e_a_x___base.html">EAX_Base</a></div><div class="ttdoc">EAX block cipher base implementation.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00018">eax.h:18</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a29aad73da260528ea29a3354de960386"><div class="ttname"><a href="class_e_a_x___base.html#a29aad73da260528ea29a3354de960386">EAX_Base::MaxKeyLength</a></div><div class="ttdeci">size_t MaxKeyLength() const</div><div class="ttdoc">Returns largest valid key length.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00026">eax.h:26</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a351a91f6f8eb068a173c41eacb9da88c"><div class="ttname"><a href="class_e_a_x___base.html#a351a91f6f8eb068a173c41eacb9da88c">EAX_Base::MinIVLength</a></div><div class="ttdeci">unsigned int MinIVLength() const</div><div class="ttdoc">Provides the minimum size of an IV.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00040">eax.h:40</a></div></div>
<div class="ttc" id="cmac_8h_html"><div class="ttname"><a href="cmac_8h.html">cmac.h</a></div><div class="ttdoc">Classes for CMAC message authentication code.</div></div>
<div class="ttc" id="class_c_m_a_c_html"><div class="ttname"><a href="class_c_m_a_c.html">CMAC< T_BlockCipher ></a></div></div>
<div class="ttc" id="class_e_a_x___base_html_ac5d50e38a2cd85408a18de6c3b7e60ab"><div class="ttname"><a href="class_e_a_x___base.html#ac5d50e38a2cd85408a18de6c3b7e60ab">EAX_Base::IVSize</a></div><div class="ttdeci">unsigned int IVSize() const</div><div class="ttdoc">Returns length of the IV accepted by this object.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00038">eax.h:38</a></div></div>
<div class="ttc" id="class_e_a_x___final_html"><div class="ttname"><a href="class_e_a_x___final.html">EAX_Final</a></div><div class="ttdoc">EAX block cipher final implementation.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00074">eax.h:74</a></div></div>
<div class="ttc" id="class_symmetric_cipher_html"><div class="ttname"><a href="class_symmetric_cipher.html">SymmetricCipher</a></div><div class="ttdoc">Interface for one direction (encryption or decryption) of a stream cipher or cipher mode.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01237">cryptlib.h:1237</a></div></div>
<div class="ttc" id="class_authenticated_symmetric_cipher_base_html"><div class="ttname"><a href="class_authenticated_symmetric_cipher_base.html">AuthenticatedSymmetricCipherBase</a></div><div class="ttdoc">Base class for authenticated encryption modes of operation.</div><div class="ttdef"><b>Definition:</b> <a href="authenc_8h_source.html#l00040">authenc.h:40</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a87227a66cfef5e28aa0254697c4fc4f6"><div class="ttname"><a href="class_e_a_x___base.html#a87227a66cfef5e28aa0254697c4fc4f6">EAX_Base::MaxIVLength</a></div><div class="ttdeci">unsigned int MaxIVLength() const</div><div class="ttdoc">Provides the maximum size of an IV.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00042">eax.h:42</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a6c0cfcf0f5110d2e4553e648d338c287"><div class="ttname"><a href="class_e_a_x___base.html#a6c0cfcf0f5110d2e4553e648d338c287">EAX_Base::GetValidKeyLength</a></div><div class="ttdeci">size_t GetValidKeyLength(size_t n) const</div><div class="ttdoc">Returns a valid key length for the algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00030">eax.h:30</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_acd67006c525686bee39dd17b5a426ca8"><div class="ttname"><a href="class_e_a_x___base.html#acd67006c525686bee39dd17b5a426ca8">EAX_Base::MinKeyLength</a></div><div class="ttdeci">size_t MinKeyLength() const</div><div class="ttdoc">Returns smallest valid key length.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00024">eax.h:24</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a6485bcdaa74651a8d162c9f7d5f3caa5"><div class="ttname"><a href="class_e_a_x___base.html#a6485bcdaa74651a8d162c9f7d5f3caa5">EAX_Base::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="eax_8h_source.html#l00034">eax.h:34</a></div></div>
<div class="ttc" id="class_simple_keying_interface_html_a88201c180fbfaa9fef2715252546ad6e"><div class="ttname"><a href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">SimpleKeyingInterface::IV_Requirement</a></div><div class="ttdeci">IV_Requirement</div><div class="ttdoc">Secure IVs requirements as enumerated values.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00672">cryptlib.h:672</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_a81723ff3588ca8b1016df0609790d500"><div class="ttname"><a href="class_e_a_x___base.html#a81723ff3588ca8b1016df0609790d500">EAX_Base::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="eax_8h_source.html#l00022">eax.h:22</a></div></div>
<div class="ttc" id="class_c_m_a_c___base_html"><div class="ttname"><a href="class_c_m_a_c___base.html">CMAC_Base</a></div><div class="ttdoc">CMAC base implementation.</div><div class="ttdef"><b>Definition:</b> <a href="cmac_8h_source.html#l00017">cmac.h:17</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>
<div class="ttc" id="class_e_a_x___base_html_a1d873c90d21bb02be1aef82092ccd015"><div class="ttname"><a href="class_e_a_x___base.html#a1d873c90d21bb02be1aef82092ccd015">EAX_Base::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="eax_8h_source.html#l00044">eax.h:44</a></div></div>
<div class="ttc" id="class_e_a_x___base_html_aa9ed0cdcd7de1a4c1213a65b30d49bf3"><div class="ttname"><a href="class_e_a_x___base.html#aa9ed0cdcd7de1a4c1213a65b30d49bf3">EAX_Base::MaxMessageLength</a></div><div class="ttdeci">lword MaxMessageLength() const</div><div class="ttdoc">Provides the maximum length of encrypted data.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00048">eax.h:48</a></div></div>
<div class="ttc" id="authenc_8h_html"><div class="ttname"><a href="authenc_8h.html">authenc.h</a></div><div class="ttdoc">Classes for authenticated encryption modes of operation.</div></div>
<div class="ttc" id="class_e_a_x___base_html_a3e1ea6adc7f30075133145b7ce4f78db"><div class="ttname"><a href="class_e_a_x___base.html#a3e1ea6adc7f30075133145b7ce4f78db">EAX_Base::IVRequirement</a></div><div class="ttdeci">IV_Requirement IVRequirement() const</div><div class="ttdoc">Minimal requirement for secure IVs.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00036">eax.h:36</a></div></div>
<div class="ttc" id="struct_e_a_x_html"><div class="ttname"><a href="struct_e_a_x.html">EAX</a></div><div class="ttdoc">EAX block cipher mode of operation.</div><div class="ttdef"><b>Definition:</b> <a href="eax_8h_source.html#l00100">eax.h:100</a></div></div>
<div class="ttc" id="class_name_value_pairs_html"><div class="ttname"><a href="class_name_value_pairs.html">NameValuePairs</a></div><div class="ttdoc">Interface for retrieving values given their names.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00290">cryptlib.h:290</a></div></div>
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