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<a href="ccm_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">// ccm.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 ccm.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief CCM block cipher mode of operation</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"></span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#ifndef CRYPTOPP_CCM_H</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#define CRYPTOPP_CCM_H</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="authenc_8h.html">authenc.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="modes_8h.html">modes.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 CCM 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_c_c_m___base.html"> 18</a></span> <span class="comment"></span>class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE <a class="code" href="class_c_c_m___base.html">CCM_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>  <a class="code" href="class_c_c_m___base.html">CCM_Base</a>()</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  : m_digestSize(0), m_L(0), m_messageLength(0), m_aadLength(0) {}</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> </div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <span class="comment">// AuthenticatedSymmetricCipher</span></div><div class="line"><a name="l00025"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a2eb160c10a807dbb4fa0f03fd297dd0d"> 25</a></span>  std::string <a class="code" href="class_c_c_m___base.html#a2eb160c10a807dbb4fa0f03fd297dd0d">AlgorithmName</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().AlgorithmName() + std::string(<span class="stringliteral">"/CCM"</span>);}</div><div class="line"><a name="l00027"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a7e6380afad9ff778afa842d8cb30ae43"> 27</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_c_c_m___base.html#a7e6380afad9ff778afa842d8cb30ae43">MinKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().MinKeyLength();}</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#adca2c50697bcf62a2ad85ea7acc32274"> 29</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_c_c_m___base.html#adca2c50697bcf62a2ad85ea7acc32274">MaxKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().MaxKeyLength();}</div><div class="line"><a name="l00031"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a286845a8642113b292d670c63ba117ed"> 31</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_c_c_m___base.html#a286845a8642113b292d670c63ba117ed">DefaultKeyLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().DefaultKeyLength();}</div><div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a379a5a47030c1b07ffb99dcd00c57601"> 33</a></span>  <span class="keywordtype">size_t</span> <a class="code" href="class_c_c_m___base.html#a379a5a47030c1b07ffb99dcd00c57601">GetValidKeyLength</a>(<span class="keywordtype">size_t</span> keylength)<span class="keyword"> const</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().GetValidKeyLength(keylength);}</div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a729a75250ca27b15ae454ad210ac7236"> 35</a></span>  <span class="keywordtype">bool</span> <a class="code" href="class_c_c_m___base.html#a729a75250ca27b15ae454ad210ac7236">IsValidKeyLength</a>(<span class="keywordtype">size_t</span> keylength)<span class="keyword"> const</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().IsValidKeyLength(keylength);}</div><div class="line"><a name="l00037"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a65b06bba7c504edb6fec3cef38e577c8"> 37</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_c_c_m___base.html#a65b06bba7c504edb6fec3cef38e577c8">OptimalDataAlignment</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().OptimalDataAlignment();}</div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a0b7b32d0aebc5d9fe3e6fc14d3f014ed"> 39</a></span>  <a class="code" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> <a class="code" href="class_c_c_m___base.html#a0b7b32d0aebc5d9fe3e6fc14d3f014ed">IVRequirement</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> UNIQUE_IV;}</div><div class="line"><a name="l00041"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a1cf2be1bdcb6439ca790051e07c01635"> 41</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_c_c_m___base.html#a1cf2be1bdcb6439ca790051e07c01635">IVSize</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> 8;}</div><div class="line"><a name="l00043"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a05d186655857909c2ce9429688bf2dda"> 43</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_c_c_m___base.html#a05d186655857909c2ce9429688bf2dda">MinIVLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> 7;}</div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a39ab73677b9340af4753e3cb27f7fbe7"> 45</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_c_c_m___base.html#a39ab73677b9340af4753e3cb27f7fbe7">MaxIVLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> 13;}</div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a60a0008801969ae61ae269986d96cd6b"> 47</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_c_c_m___base.html#a60a0008801969ae61ae269986d96cd6b">DigestSize</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> m_digestSize;}</div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#a8d34e05655d14cea528e693cb6e809a6"> 49</a></span>  lword <a class="code" href="class_c_c_m___base.html#a8d34e05655d14cea528e693cb6e809a6">MaxHeaderLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> W64LIT(0)-1;}</div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#aaf1d0a03abf39f4d1572cc01e908c71a"> 51</a></span>  lword <a class="code" href="class_c_c_m___base.html#aaf1d0a03abf39f4d1572cc01e908c71a">MaxMessageLength</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> m_L<8 ? (W64LIT(1)<<(8*m_L))-1 : W64LIT(0)-1;}</div><div class="line"><a name="l00053"></a><span class="lineno"><a class="line" href="class_c_c_m___base.html#ad16a927fba2e899a59094c847927b97a"> 53</a></span>  <span class="keywordtype">bool</span> <a class="code" href="class_c_c_m___base.html#ad16a927fba2e899a59094c847927b97a">NeedsPrespecifiedDataLengths</a>()<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">true</span>;}</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordtype">void</span> UncheckedSpecifyDataLengths(lword headerLength, lword messageLength, lword footerLength);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="comment">// AuthenticatedSymmetricCipherBase</span></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordtype">bool</span> AuthenticationIsOnPlaintext()<span class="keyword"> const</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> <span class="keyword">true</span>;}</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> AuthenticationBlockSize()<span class="keyword"> const</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> GetBlockCipher().BlockSize();}</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</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="l00064"></a><span class="lineno"> 64</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="l00065"></a><span class="lineno"> 65</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="l00066"></a><span class="lineno"> 66</span>  <span class="keywordtype">void</span> AuthenticateLastHeaderBlock();</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordtype">void</span> AuthenticateLastConfidentialBlock();</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</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="l00069"></a><span class="lineno"> 69</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="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  <span class="keyword">virtual</span> <a class="code" href="class_block_cipher.html">BlockCipher</a> & AccessBlockCipher() =0;</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">virtual</span> <span class="keywordtype">int</span> DefaultDigestSize() <span class="keyword">const</span> =0;</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">const</span> <a class="code" href="class_block_cipher.html">BlockCipher</a> & GetBlockCipher()<span class="keyword"> const </span>{<span class="keywordflow">return</span> const_cast<CCM_Base *>(<span class="keyword">this</span>)->AccessBlockCipher();};</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keywordtype">byte</span> *CBC_Buffer() {<span class="keywordflow">return</span> m_buffer+REQUIRED_BLOCKSIZE;}</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> </div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keyword">enum</span> {REQUIRED_BLOCKSIZE = 16};</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordtype">int</span> m_digestSize, m_L;</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  word64 m_messageLength, m_aadLength;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</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="l00081"></a><span class="lineno"> 81</span> };</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> <span class="comment"></span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> <span class="comment">/// \brief CCM block cipher final implementation</span></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span> <span class="comment">/// \tparam T_BlockCipher block cipher</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> <span class="comment">/// \tparam T_DefaultDigestSize default digest size, in bytes</span></div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> <span class="comment">/// \tparam T_IsEncryption direction in which to operate the cipher</span></div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> <span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_BlockCipher, <span class="keywordtype">int</span> T_DefaultDigestSize, <span class="keywordtype">bool</span> T_IsEncryption></div><div class="line"><a name="l00089"></a><span class="lineno"><a class="line" href="class_c_c_m___final.html"> 89</a></span> <span class="keyword">class </span><a class="code" href="class_c_c_m___final.html">CCM_Final</a> : <span class="keyword">public</span> <a class="code" href="class_c_c_m___base.html">CCM_Base</a></div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keyword">static</span> std::string StaticAlgorithmName()</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  {<span class="keywordflow">return</span> T_BlockCipher::StaticAlgorithmName() + std::string(<span class="stringliteral">"/CCM"</span>);}</div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="class_c_c_m___final.html#ab98c22a43090a40e5f29504ee90fdfd0"> 94</a></span>  <span class="keywordtype">bool</span> <a class="code" href="class_c_c_m___final.html#ab98c22a43090a40e5f29504ee90fdfd0">IsForwardTransformation</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> T_IsEncryption;}</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="class_block_cipher.html">BlockCipher</a> & AccessBlockCipher() {<span class="keywordflow">return</span> m_cipher;}</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordtype">int</span> DefaultDigestSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> T_DefaultDigestSize;}</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keyword">typename</span> T_BlockCipher::Encryption m_cipher;</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="comment"></span></div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> <span class="comment">/// \brief CCM block cipher mode of operation</span></div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> <span class="comment">/// \tparam T_BlockCipher block cipher</span></div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> <span class="comment">/// \tparam T_DefaultDigestSize default digest size, in bytes</span></div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <span class="comment">/// \details \p CCM provides the \p Encryption and \p Decryption typedef. See GCM_Base</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="comment">/// and GCM_Final for the AuthenticatedSymmetricCipher implementation.</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> <span class="comment">/// \sa <a href="http://www.cryptopp.com/wiki/CCM_Mode">CCM Mode</a> and</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</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="l00110"></a><span class="lineno"> 110</span> <span class="comment">/// on the Crypto++ wiki.</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">/// \since Crypto++ 5.6.0</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_BlockCipher, <span class="keywordtype">int</span> T_DefaultDigestSize = 16></div><div class="line"><a name="l00113"></a><span class="lineno"><a class="line" href="struct_c_c_m.html"> 113</a></span> <span class="keyword">struct </span><a class="code" href="struct_c_c_m.html">CCM</a> : <span class="keyword">public</span> <a class="code" href="struct_authenticated_symmetric_cipher_documentation.html">AuthenticatedSymmetricCipherDocumentation</a></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> {</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="keyword">typedef</span> <a class="code" href="class_c_c_m___final.html">CCM_Final<T_BlockCipher, T_DefaultDigestSize, true></a> <a class="code" href="class_c_c_m___final.html">Encryption</a>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="keyword">typedef</span> <a class="code" href="class_c_c_m___final.html">CCM_Final<T_BlockCipher, T_DefaultDigestSize, false></a> <a class="code" href="class_c_c_m___final.html">Decryption</a>;</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> };</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span> NAMESPACE_END</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div><div class="line"><a name="l00121"></a><span class="lineno"> 121</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_c_c_m___base_html_a8d34e05655d14cea528e693cb6e809a6"><div class="ttname"><a href="class_c_c_m___base.html#a8d34e05655d14cea528e693cb6e809a6">CCM_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="ccm_8h_source.html#l00049">ccm.h:49</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a7e6380afad9ff778afa842d8cb30ae43"><div class="ttname"><a href="class_c_c_m___base.html#a7e6380afad9ff778afa842d8cb30ae43">CCM_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="ccm_8h_source.html#l00027">ccm.h:27</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="class_c_c_m___base_html_ad16a927fba2e899a59094c847927b97a"><div class="ttname"><a href="class_c_c_m___base.html#ad16a927fba2e899a59094c847927b97a">CCM_Base::NeedsPrespecifiedDataLengths</a></div><div class="ttdeci">bool NeedsPrespecifiedDataLengths() const</div><div class="ttdoc">Determines if data lengths must be specified prior to inputting data.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00053">ccm.h:53</a></div></div>
<div class="ttc" id="struct_c_c_m_html"><div class="ttname"><a href="struct_c_c_m.html">CCM</a></div><div class="ttdoc">CCM block cipher mode of operation.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00113">ccm.h:113</a></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_block_cipher_html"><div class="ttname"><a href="class_block_cipher.html">BlockCipher</a></div><div class="ttdoc">Interface for one direction (encryption or decryption) of a block cipher.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01229">cryptlib.h:1229</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_aaf1d0a03abf39f4d1572cc01e908c71a"><div class="ttname"><a href="class_c_c_m___base.html#aaf1d0a03abf39f4d1572cc01e908c71a">CCM_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="ccm_8h_source.html#l00051">ccm.h:51</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a60a0008801969ae61ae269986d96cd6b"><div class="ttname"><a href="class_c_c_m___base.html#a60a0008801969ae61ae269986d96cd6b">CCM_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="ccm_8h_source.html#l00047">ccm.h:47</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a286845a8642113b292d670c63ba117ed"><div class="ttname"><a href="class_c_c_m___base.html#a286845a8642113b292d670c63ba117ed">CCM_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="ccm_8h_source.html#l00031">ccm.h:31</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a729a75250ca27b15ae454ad210ac7236"><div class="ttname"><a href="class_c_c_m___base.html#a729a75250ca27b15ae454ad210ac7236">CCM_Base::IsValidKeyLength</a></div><div class="ttdeci">bool IsValidKeyLength(size_t keylength) const</div><div class="ttdoc">Returns whether keylength is a valid key length.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00035">ccm.h:35</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a65b06bba7c504edb6fec3cef38e577c8"><div class="ttname"><a href="class_c_c_m___base.html#a65b06bba7c504edb6fec3cef38e577c8">CCM_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="ccm_8h_source.html#l00037">ccm.h:37</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_c_c_m___base_html_a1cf2be1bdcb6439ca790051e07c01635"><div class="ttname"><a href="class_c_c_m___base.html#a1cf2be1bdcb6439ca790051e07c01635">CCM_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="ccm_8h_source.html#l00041">ccm.h:41</a></div></div>
<div class="ttc" id="class_c_c_m___base_html"><div class="ttname"><a href="class_c_c_m___base.html">CCM_Base</a></div><div class="ttdoc">CCM block cipher base implementation.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00018">ccm.h:18</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a05d186655857909c2ce9429688bf2dda"><div class="ttname"><a href="class_c_c_m___base.html#a05d186655857909c2ce9429688bf2dda">CCM_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="ccm_8h_source.html#l00043">ccm.h:43</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a2eb160c10a807dbb4fa0f03fd297dd0d"><div class="ttname"><a href="class_c_c_m___base.html#a2eb160c10a807dbb4fa0f03fd297dd0d">CCM_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="ccm_8h_source.html#l00025">ccm.h:25</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_c_c_m___base_html_adca2c50697bcf62a2ad85ea7acc32274"><div class="ttname"><a href="class_c_c_m___base.html#adca2c50697bcf62a2ad85ea7acc32274">CCM_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="ccm_8h_source.html#l00029">ccm.h:29</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a379a5a47030c1b07ffb99dcd00c57601"><div class="ttname"><a href="class_c_c_m___base.html#a379a5a47030c1b07ffb99dcd00c57601">CCM_Base::GetValidKeyLength</a></div><div class="ttdeci">size_t GetValidKeyLength(size_t keylength) const</div><div class="ttdoc">Returns a valid key length for the algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00033">ccm.h:33</a></div></div>
<div class="ttc" id="class_c_c_m___final_html_ab98c22a43090a40e5f29504ee90fdfd0"><div class="ttname"><a href="class_c_c_m___final.html#ab98c22a43090a40e5f29504ee90fdfd0">CCM_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="ccm_8h_source.html#l00094">ccm.h:94</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_c_c_m___base_html_a39ab73677b9340af4753e3cb27f7fbe7"><div class="ttname"><a href="class_c_c_m___base.html#a39ab73677b9340af4753e3cb27f7fbe7">CCM_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="ccm_8h_source.html#l00045">ccm.h:45</a></div></div>
<div class="ttc" id="class_c_c_m___base_html_a0b7b32d0aebc5d9fe3e6fc14d3f014ed"><div class="ttname"><a href="class_c_c_m___base.html#a0b7b32d0aebc5d9fe3e6fc14d3f014ed">CCM_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="ccm_8h_source.html#l00039">ccm.h:39</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_c_c_m___final_html"><div class="ttname"><a href="class_c_c_m___final.html">CCM_Final</a></div><div class="ttdoc">CCM block cipher final implementation.</div><div class="ttdef"><b>Definition:</b> <a href="ccm_8h_source.html#l00089">ccm.h:89</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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