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 <span id="projectnumber">7.0</span>
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<a href="panama_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">// panama.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 panama.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief Classes for Panama hash and stream cipher</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_PANAMA_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define CRYPTOPP_PANAMA_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="strciphr_8h.html">strciphr.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "iterhash.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "<a class="code" href="secblock_8h.html">secblock.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> <span class="comment">// Clang 3.3 integrated assembler crash on Linux. Clang 3.4 due to compiler error with .intel_syntax</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#if CRYPTOPP_BOOL_X32 || defined(CRYPTOPP_DISABLE_INTEL_ASM)</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor"># define CRYPTOPP_DISABLE_PANAMA_ASM</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#endif</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">// Base class, do not use directly</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="keyword">template</span> <<span class="keyword">class</span> B></div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="class_panama.html"> 22</a></span> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE <a class="code" href="class_panama.html">Panama</a></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="keyword">public</span>:</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keywordtype">void</span> Reset();</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">void</span> Iterate(<span class="keywordtype">size_t</span> count, <span class="keyword">const</span> word32 *p=NULLPTR, byte *output=NULLPTR, <span class="keyword">const</span> byte *input=NULLPTR, <a class="code" href="strciphr_8h.html#ab4a226527d2bd01ff19bfa14d0974227">KeystreamOperation</a> operation=<a class="code" href="strciphr_8h.html#ab4a226527d2bd01ff19bfa14d0974227a6ab40a8f816d015407f61839c60b9a4e">WRITE_KEYSTREAM</a>);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <span class="keyword">typedef</span> word32 Stage[8];</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  CRYPTOPP_CONSTANT(STAGES = 32)</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="class_fixed_size_aligned_sec_block.html">FixedSizeAlignedSecBlock<word32, 20 + 8*32></a> m_state;</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> };</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> </div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">namespace </span><a class="code" href="namespace_weak.html">Weak</a> {<span class="comment"></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">/// \brief Panama hash</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">/// \sa <a href="http://www.weidai.com/scan-mirror/md.html#Panama">Panama Hash</a></span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian></div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="class_weak_1_1_panama_hash.html"> 39</a></span> <span class="keyword">class </span><a class="code" href="class_weak_1_1_panama_hash.html">PanamaHash</a> : <span class="keyword">protected</span> <a class="code" href="class_panama.html">Panama</a><B>, <span class="keyword">public</span> <a class="code" href="class_algorithm_impl.html">AlgorithmImpl</a><IteratedHash<word32, NativeByteOrder, 32>, PanamaHash<B> ></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> {</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  CRYPTOPP_CONSTANT(DIGESTSIZE = 32)</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <a class="code" href="class_weak_1_1_panama_hash.html">PanamaHash</a>() {<a class="code" href="class_panama.html">Panama<B>::Reset</a>();}</div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="class_weak_1_1_panama_hash.html#aa4bfda6e5abcbea61bbcbce8e4d3f601"> 44</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_weak_1_1_panama_hash.html#aa4bfda6e5abcbea61bbcbce8e4d3f601">DigestSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> DIGESTSIZE;}</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordtype">void</span> <a class="code" href="class_weak_1_1_panama_hash.html#af4d1ab27a1cebb1857ba24901b30b3b6">TruncatedFinal</a>(byte *hash, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  CRYPTOPP_STATIC_CONSTEXPR <span class="keyword">const</span> <span class="keywordtype">char</span>* StaticAlgorithmName() {<span class="keywordflow">return</span> B::ToEnum() == <a class="code" href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57">BIG_ENDIAN_ORDER</a> ? <span class="stringliteral">"Panama-BE"</span> : <span class="stringliteral">"Panama-LE"</span>;}</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> </div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <span class="keywordtype">void</span> Init() {<a class="code" href="class_panama.html">Panama<B>::Reset</a>();}</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  <span class="keywordtype">void</span> HashEndianCorrectedBlock(<span class="keyword">const</span> word32 *data) {this->Iterate(1, data);} <span class="comment">// push</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordtype">size_t</span> HashMultipleBlocks(<span class="keyword">const</span> word32 *input, <span class="keywordtype">size_t</span> length);</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  word32* StateBuf() {<span class="keywordflow">return</span> NULLPTR;}</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> };</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="comment"></span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">/// \brief MAC construction using a hermetic hash function</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T_Hash, <span class="keyword">class</span> T_Info = T_Hash></div><div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="class_hermetic_hash_function_m_a_c.html"> 58</a></span> <span class="keyword">class </span><a class="code" href="class_hermetic_hash_function_m_a_c.html">HermeticHashFunctionMAC</a> : <span class="keyword">public</span> <a class="code" href="class_algorithm_impl.html">AlgorithmImpl</a><SimpleKeyingInterfaceImpl<TwoBases<MessageAuthenticationCode, VariableKeyLength<32, 0, INT_MAX> > >, T_Info></div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordtype">void</span> UncheckedSetKey(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  {</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  CRYPTOPP_UNUSED(params);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  m_key.<a class="code" href="class_sec_block.html#aaf38f976508a632e2f74aa4f2622da86">Assign</a>(key, length);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  Restart();</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> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  <span class="keywordtype">void</span> Restart()</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>  m_hash.Restart();</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  m_keyed = <span class="keyword">false</span>;</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> </div><div class="line"><a name="l00075"></a><span class="lineno"> 75</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="l00076"></a><span class="lineno"> 76</span>  {</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  <span class="keywordflow">if</span> (!m_keyed)</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  KeyHash();</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m_hash.Update(input, length);</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  }</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="keywordtype">void</span> TruncatedFinal(byte *digest, <span class="keywordtype">size_t</span> digestSize)</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (!m_keyed)</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  KeyHash();</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  m_hash.TruncatedFinal(digest, digestSize);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  m_keyed = <span class="keyword">false</span>;</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> DigestSize()<span class="keyword"> const</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.DigestSize();}</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BlockSize()<span class="keyword"> const</span></div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.BlockSize();}</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OptimalBlockSize()<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> m_hash.OptimalBlockSize();}</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OptimalDataAlignment()<span class="keyword"> const</span></div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword"> </span>{<span class="keywordflow">return</span> m_hash.OptimalDataAlignment();}</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordtype">void</span> KeyHash()</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>  m_hash.Update(m_key, m_key.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>());</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  m_keyed = <span class="keyword">true</span>;</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>  T_Hash m_hash;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordtype">bool</span> m_keyed;</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> m_key;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> };</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">namespace </span><a class="code" href="namespace_weak.html">Weak</a> {<span class="comment"></span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/// \brief Panama message authentication code</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian></div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="class_weak_1_1_panama_m_a_c.html"> 114</a></span> <span class="keyword">class </span><a class="code" href="class_weak_1_1_panama_m_a_c.html">PanamaMAC</a> : <span class="keyword">public</span> <a class="code" href="class_hermetic_hash_function_m_a_c.html">HermeticHashFunctionMAC</a><PanamaHash<B> ></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> {</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <a class="code" href="class_weak_1_1_panama_m_a_c.html">PanamaMAC</a>() {}</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <a class="code" href="class_weak_1_1_panama_m_a_c.html">PanamaMAC</a>(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  {this->SetKey(key, length);}</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> }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span> <span class="comment"></span></div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> <span class="comment">/// \brief Panama stream cipher information</span></div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B></div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="struct_panama_cipher_info.html"> 125</a></span> <span class="keyword">struct </span><a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a> : <span class="keyword">public</span> <a class="code" href="class_fixed_key_length.html">FixedKeyLength</a><32, SimpleKeyingInterface::UNIQUE_IV, 32></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  CRYPTOPP_STATIC_CONSTEXPR <span class="keyword">const</span> <span class="keywordtype">char</span>* StaticAlgorithmName() {<span class="keywordflow">return</span> B::ToEnum() == <a class="code" href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57">BIG_ENDIAN_ORDER</a> ? <span class="stringliteral">"Panama-BE"</span> : <span class="stringliteral">"Panama-LE"</span>;}</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> };</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment"></span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/// \brief Panama stream cipher operation</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B></div><div class="line"><a name="l00132"></a><span class="lineno"><a class="line" href="class_panama_cipher_policy.html"> 132</a></span> <span class="keyword">class </span><a class="code" href="class_panama_cipher_policy.html">PanamaCipherPolicy</a> : <span class="keyword">public</span> <a class="code" href="struct_additive_cipher_concrete_policy.html">AdditiveCipherConcretePolicy</a><word32, 8>,</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">public</span> <a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a><B>,</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">protected</span> <a class="code" href="class_panama.html">Panama</a><B></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordtype">void</span> CipherSetKey(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &params, <span class="keyword">const</span> byte *key, <span class="keywordtype">size_t</span> length);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="keywordtype">void</span> OperateKeystream(<a class="code" href="strciphr_8h.html#ab4a226527d2bd01ff19bfa14d0974227">KeystreamOperation</a> operation, byte *output, <span class="keyword">const</span> byte *input, <span class="keywordtype">size_t</span> iterationCount);</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordtype">bool</span> CipherIsRandomAccess()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">false</span>;}</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordtype">void</span> CipherResynchronize(byte *keystreamBuffer, <span class="keyword">const</span> byte *iv, <span class="keywordtype">size_t</span> length);</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetAlignment() <span class="keyword">const</span>;</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <a class="code" href="class_fixed_size_sec_block.html">FixedSizeSecBlock<word32, 8></a> m_key;</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> };</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment"></span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">/// \brief Panama stream cipher</span></div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span> <span class="comment">/// \sa <a href="http://www.cryptolounge.org/wiki/PANAMA">Panama Stream Cipher</a></span></div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> B = LittleEndian></div><div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="struct_panama_cipher.html"> 149</a></span> <span class="keyword">struct </span><a class="code" href="struct_panama_cipher.html">PanamaCipher</a> : <span class="keyword">public</span> <a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo</a><B>, <span class="keyword">public</span> <a class="code" href="struct_symmetric_cipher_documentation.html">SymmetricCipherDocumentation</a></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span> {</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keyword">typedef</span> <a class="code" href="class_symmetric_cipher_final.html">SymmetricCipherFinal<ConcretePolicyHolder<PanamaCipherPolicy<B></a>, <a class="code" href="class_additive_cipher_template.html">AdditiveCipherTemplate<></a> >, <a class="code" href="struct_panama_cipher_info.html">PanamaCipherInfo<B></a> > <a class="code" href="class_symmetric_cipher_final.html">Encryption</a>;</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="keyword">typedef</span> <a class="code" href="class_symmetric_cipher_final.html">Encryption</a> <a class="code" href="class_symmetric_cipher_final.html">Decryption</a>;</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span> };</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> NAMESPACE_END</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_fixed_key_length_html"><div class="ttname"><a href="class_fixed_key_length.html">FixedKeyLength</a></div><div class="ttdoc">Inherited by keyed algorithms with fixed key length. </div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00147">seckey.h:147</a></div></div>
<div class="ttc" id="struct_additive_cipher_concrete_policy_html"><div class="ttname"><a href="struct_additive_cipher_concrete_policy.html">AdditiveCipherConcretePolicy</a></div><div class="ttdoc">Base class for additive stream ciphers. </div><div class="ttdef"><b>Definition:</b> <a href="strciphr_8h_source.html#l00181">strciphr.h:181</a></div></div>
<div class="ttc" id="strciphr_8h_html_ab4a226527d2bd01ff19bfa14d0974227a6ab40a8f816d015407f61839c60b9a4e"><div class="ttname"><a href="strciphr_8h.html#ab4a226527d2bd01ff19bfa14d0974227a6ab40a8f816d015407f61839c60b9a4e">WRITE_KEYSTREAM</a></div><div class="ttdoc">Wirte the keystream to the output buffer, input is NULL. </div><div class="ttdef"><b>Definition:</b> <a href="strciphr_8h_source.html#l00090">strciphr.h:90</a></div></div>
<div class="ttc" id="class_sec_byte_block_html"><div class="ttname"><a href="class_sec_byte_block.html">SecByteBlock</a></div><div class="ttdoc">SecBlock<byte> typedef. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00822">secblock.h:822</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_weak_1_1_panama_hash_html_af4d1ab27a1cebb1857ba24901b30b3b6"><div class="ttname"><a href="class_weak_1_1_panama_hash.html#af4d1ab27a1cebb1857ba24901b30b3b6">Weak::PanamaHash::TruncatedFinal</a></div><div class="ttdeci">void TruncatedFinal(byte *hash, size_t size)</div><div class="ttdoc">Computes the hash of the current message. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8cpp_source.html#l00432">panama.cpp:432</a></div></div>
<div class="ttc" id="class_sec_block_html_aaf38f976508a632e2f74aa4f2622da86"><div class="ttname"><a href="class_sec_block.html#aaf38f976508a632e2f74aa4f2622da86">SecBlock::Assign</a></div><div class="ttdeci">void Assign(const T *ptr, size_type len)</div><div class="ttdoc">Set contents and size from an array. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00605">secblock.h:605</a></div></div>
<div class="ttc" id="class_weak_1_1_panama_hash_html_aa4bfda6e5abcbea61bbcbce8e4d3f601"><div class="ttname"><a href="class_weak_1_1_panama_hash.html#aa4bfda6e5abcbea61bbcbce8e4d3f601">Weak::PanamaHash::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="panama_8h_source.html#l00044">panama.h:44</a></div></div>
<div class="ttc" id="class_fixed_size_aligned_sec_block_html"><div class="ttname"><a href="class_fixed_size_aligned_sec_block.html">FixedSizeAlignedSecBlock< word32, 20+8 *32 ></a></div></div>
<div class="ttc" id="struct_panama_cipher_html"><div class="ttname"><a href="struct_panama_cipher.html">PanamaCipher</a></div><div class="ttdoc">Panama stream cipher. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00149">panama.h:149</a></div></div>
<div class="ttc" id="class_weak_1_1_panama_m_a_c_html"><div class="ttname"><a href="class_weak_1_1_panama_m_a_c.html">Weak::PanamaMAC</a></div><div class="ttdoc">Panama message authentication code. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00114">panama.h:114</a></div></div>
<div class="ttc" id="class_hermetic_hash_function_m_a_c_html"><div class="ttname"><a href="class_hermetic_hash_function_m_a_c.html">HermeticHashFunctionMAC</a></div><div class="ttdoc">MAC construction using a hermetic hash function. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00058">panama.h:58</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< word32, 8 ></a></div></div>
<div class="ttc" id="cryptlib_8h_html_aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57"><div class="ttname"><a href="cryptlib_8h.html#aaeb92d42f5a6e27b8ba19f18d69d142baf0c3bb6c718cc7ff0bffef4e8f178c57">BIG_ENDIAN_ORDER</a></div><div class="ttdoc">byte order is big-endian </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00144">cryptlib.h:144</a></div></div>
<div class="ttc" id="strciphr_8h_html"><div class="ttname"><a href="strciphr_8h.html">strciphr.h</a></div><div class="ttdoc">Classes for implementing stream ciphers. </div></div>
<div class="ttc" id="struct_symmetric_cipher_documentation_html"><div class="ttname"><a href="struct_symmetric_cipher_documentation.html">SymmetricCipherDocumentation</a></div><div class="ttdoc">Provides Encryption and Decryption typedefs used by derived classes to implement a symmetric cipher...</div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00435">seckey.h:435</a></div></div>
<div class="ttc" id="class_panama_cipher_policy_html"><div class="ttname"><a href="class_panama_cipher_policy.html">PanamaCipherPolicy</a></div><div class="ttdoc">Panama stream cipher operation. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00132">panama.h:132</a></div></div>
<div class="ttc" id="class_panama_html"><div class="ttname"><a href="class_panama.html">Panama</a></div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00022">panama.h:22</a></div></div>
<div class="ttc" id="struct_panama_cipher_info_html"><div class="ttname"><a href="struct_panama_cipher_info.html">PanamaCipherInfo</a></div><div class="ttdoc">Panama stream cipher information. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00125">panama.h:125</a></div></div>
<div class="ttc" id="strciphr_8h_html_ab4a226527d2bd01ff19bfa14d0974227"><div class="ttname"><a href="strciphr_8h.html#ab4a226527d2bd01ff19bfa14d0974227">KeystreamOperation</a></div><div class="ttdeci">KeystreamOperation</div><div class="ttdoc">Keystream operation flags. </div><div class="ttdef"><b>Definition:</b> <a href="strciphr_8h_source.html#l00088">strciphr.h:88</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_symmetric_cipher_final_html"><div class="ttname"><a href="class_symmetric_cipher_final.html">SymmetricCipherFinal</a></div><div class="ttdoc">SymmetricCipher implementation. </div><div class="ttdef"><b>Definition:</b> <a href="strciphr_8h_source.html#l00571">strciphr.h:571</a></div></div>
<div class="ttc" id="class_additive_cipher_template_html"><div class="ttname"><a href="class_additive_cipher_template.html">AdditiveCipherTemplate</a></div><div class="ttdoc">Base class for additive stream ciphers with SymmetricCipher interface. </div><div class="ttdef"><b>Definition:</b> <a href="strciphr_8h_source.html#l00261">strciphr.h:261</a></div></div>
<div class="ttc" id="class_weak_1_1_panama_hash_html"><div class="ttname"><a href="class_weak_1_1_panama_hash.html">Weak::PanamaHash</a></div><div class="ttdoc">Panama hash. </div><div class="ttdef"><b>Definition:</b> <a href="panama_8h_source.html#l00039">panama.h:39</a></div></div>
<div class="ttc" id="class_sec_block_html_af5999bffe3193e62719cc0792b0282a7"><div class="ttname"><a href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">SecBlock::size</a></div><div class="ttdeci">size_type size() const</div><div class="ttdoc">Provides the count of elements in the SecBlock. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00561">secblock.h:561</a></div></div>
<div class="ttc" id="namespace_weak_html"><div class="ttname"><a href="namespace_weak.html">Weak</a></div><div class="ttdoc">Namespace containing weak and wounded algorithms. </div><div class="ttdef"><b>Definition:</b> <a href="arc4_8cpp_source.html#l00014">arc4.cpp:14</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>
<div class="ttc" id="class_algorithm_impl_html"><div class="ttname"><a href="class_algorithm_impl.html">AlgorithmImpl</a></div><div class="ttdoc">Base class information. </div><div class="ttdef"><b>Definition:</b> <a href="simple_8h_source.html#l00036">simple.h:36</a></div></div>
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