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 <span id="projectnumber">7.0</span>
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<a href="dmac_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">// dmac.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 dmac.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief Classes for DMAC message authentication code</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_DMAC_H</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#define CRYPTOPP_DMAC_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="cbcmac_8h.html">cbcmac.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</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">/// \brief DMAC message authentication code base class</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"></span><span class="comment">/// \tparam T class derived from BlockCipherDocumentation</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span><span class="comment">/// \since Crypto++ 3.1</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="class_d_m_a_c___base.html"> 17</a></span> <span class="keyword">class </span>CRYPTOPP_NO_VTABLE <a class="code" href="class_d_m_a_c___base.html">DMAC_Base</a> : <span class="keyword">public</span> <a class="code" href="class_same_key_length_as.html">SameKeyLengthAs</a><T>, <span class="keyword">public</span> <a class="code" href="class_message_authentication_code.html">MessageAuthenticationCode</a></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> {</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  CRYPTOPP_CONSTANT(DIGESTSIZE=T::BLOCKSIZE)</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="keyword">static</span> std::string StaticAlgorithmName() {<span class="keywordflow">return</span> std::string(<span class="stringliteral">"DMAC("</span>) + T::StaticAlgorithmName() + <span class="stringliteral">")"</span>;}</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  <span class="keyword">virtual</span>~<a class="code" href="class_d_m_a_c___base.html">DMAC_Base</a>() {}</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  <a class="code" href="class_d_m_a_c___base.html">DMAC_Base</a>() : m_subkeylength(0), m_counter(0) {}</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keywordtype">void</span> UncheckedSetKey(<span class="keyword">const</span> <span class="keywordtype">byte</span> *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="l00027"></a><span class="lineno"> 27</span>  <span class="keywordtype">void</span> <a class="code" href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5">Update</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span> *input, <span class="keywordtype">size_t</span> length);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keywordtype">void</span> <a class="code" href="class_hash_transformation.html#a590ecda344aa0fb045abf42ec08823b2">TruncatedFinal</a>(<span class="keywordtype">byte</span> *mac, <span class="keywordtype">size_t</span> size);</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="class_d_m_a_c___base.html#ad472a78f064ead0f9b0d1a39dce1bac9"> 29</a></span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="code" href="class_d_m_a_c___base.html#ad472a78f064ead0f9b0d1a39dce1bac9">DigestSize</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> DIGESTSIZE;}</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <span class="keywordtype">byte</span> *GenerateSubKeys(<span class="keyword">const</span> <span class="keywordtype">byte</span> *key, <span class="keywordtype">size_t</span> keylength);</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>  <span class="keywordtype">size_t</span> m_subkeylength;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> m_subkeys;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <a class="code" href="class_c_b_c___m_a_c.html">CBC_MAC<T></a> m_mac1;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  <span class="keyword">typename</span> T::Encryption m_f2;</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_counter;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> };</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment"></span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">/// \brief DMAC message authentication code</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">/// \tparam T class derived from BlockCipherDocumentation</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">/// \sa <A HREF="https://eprint.iacr.org/1997/010">CBC MAC for Real-Time Data Sources (08.15.1997)</A></span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">/// by Erez Petrank and Charles Rackoff</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">/// \since Crypto++ 3.1</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="class_d_m_a_c.html"> 47</a></span> <span class="keyword">class </span><a class="code" href="class_d_m_a_c.html">DMAC</a> : <span class="keyword">public</span> <a class="code" href="class_message_authentication_code_final.html">MessageAuthenticationCodeFinal</a><DMAC_Base<T> ></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> {</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">public</span>:<span class="comment"></span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment"> /// \brief Construct a DMAC</span></div><div class="line"><a name="l00051"></a><span class="lineno"><a class="line" href="class_d_m_a_c.html#a433de8cfd312830ba42f0ae227c34bef"> 51</a></span> <span class="comment"></span> <a class="code" href="class_d_m_a_c.html#a433de8cfd312830ba42f0ae227c34bef">DMAC</a>() {}</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment"></span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment"> /// \brief Construct a DMAC</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment"> /// \param key a byte array used to key the cipher</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment"> /// \param length the size of the byte array, in bytes</span></div><div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="class_d_m_a_c.html#a52fac17929c02766ec6d75b2d1bf6521"> 56</a></span> <span class="comment"></span> <a class="code" href="class_d_m_a_c.html#a52fac17929c02766ec6d75b2d1bf6521">DMAC</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span> *key, <span class="keywordtype">size_t</span> length=<a class="code" href="class_d_m_a_c___base.html">DMAC_Base<T>::DEFAULT_KEYLENGTH</a>)</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  {this-><a class="code" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7">SetKey</a>(key, length);}</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> };</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> </div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00061"></a><span class="lineno"><a class="line" href="class_d_m_a_c___base.html#a026cf284eb700742dc1dcb4387bd3022"> 61</a></span> <span class="keywordtype">void</span> <a class="code" href="class_d_m_a_c___base.html#a026cf284eb700742dc1dcb4387bd3022">DMAC_Base<T>::UncheckedSetKey</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span> *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>  m_subkeylength = T::StaticGetValidKeyLength(T::BLOCKSIZE);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  m_subkeys.resize(2*<a class="code" href="misc_8h.html#ac8391e7d9d613a6c401787d2cdab1f51">UnsignedMin</a>((<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>)T::BLOCKSIZE, m_subkeylength));</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  m_mac1.SetKey(GenerateSubKeys(key, length), m_subkeylength, params);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  m_f2.SetKey(m_subkeys+m_subkeys.size()/2, m_subkeylength, params);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  m_counter = 0;</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  m_subkeys.resize(0);</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> }</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">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_d_m_a_c___base.html#a2b03546cff8891451c480c18391d83a5"> 72</a></span> <span class="keywordtype">void</span> <a class="code" href="class_d_m_a_c___base.html#a2b03546cff8891451c480c18391d83a5">DMAC_Base<T>::Update</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span> *input, <span class="keywordtype">size_t</span> length)</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>  m_mac1.Update(input, length);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  m_counter = (<span class="keywordtype">unsigned</span> int)((m_counter + length) % T::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> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_d_m_a_c___base.html#a32251a90087b43d30ea5c4698cd7ecf9"> 79</a></span> <span class="keywordtype">void</span> <a class="code" href="class_d_m_a_c___base.html#a32251a90087b43d30ea5c4698cd7ecf9">DMAC_Base<T>::TruncatedFinal</a>(<span class="keywordtype">byte</span> *mac, <span class="keywordtype">size_t</span> size)</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>  ThrowIfInvalidTruncatedSize(size);</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keywordtype">byte</span> pad[T::BLOCKSIZE];</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">byte</span> padByte = byte(T::BLOCKSIZE-m_counter);</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  memset(pad, padByte, padByte);</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  m_mac1.Update(pad, padByte);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  m_mac1.TruncatedFinal(mac, size);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  m_f2.ProcessBlock(mac);</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>  m_counter = 0; <span class="comment">// reset for next message</span></div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="keywordtype">byte</span> *<a class="code" href="class_d_m_a_c___base.html">DMAC_Base<T>::GenerateSubKeys</a>(<span class="keyword">const</span> <span class="keywordtype">byte</span> *key, <span class="keywordtype">size_t</span> keylength)</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> {</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">typename</span> T::Encryption cipher(key, keylength);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  memset(m_subkeys, 0, m_subkeys.size());</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  cipher.ProcessBlock(m_subkeys);</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  m_subkeys[m_subkeys.size()/2 + T::BLOCKSIZE - 1] = 1;</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  cipher.ProcessBlock(m_subkeys+m_subkeys.size()/2);</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">return</span> m_subkeys;</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span> NAMESPACE_END</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> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_d_m_a_c___base_html_a32251a90087b43d30ea5c4698cd7ecf9"><div class="ttname"><a href="class_d_m_a_c___base.html#a32251a90087b43d30ea5c4698cd7ecf9">DMAC_Base::TruncatedFinal</a></div><div class="ttdeci">void TruncatedFinal(byte *mac, size_t size)</div><div class="ttdoc">Computes the hash of the current message.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00079">dmac.h:79</a></div></div>
<div class="ttc" id="class_message_authentication_code_html"><div class="ttname"><a href="class_message_authentication_code.html">MessageAuthenticationCode</a></div><div class="ttdoc">Interface for message authentication codes.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01245">cryptlib.h:1245</a></div></div>
<div class="ttc" id="class_simple_keying_interface_html_adf3c29b3ef3af74788a58c7c49887fd7"><div class="ttname"><a href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7">SimpleKeyingInterface::SetKey</a></div><div class="ttdeci">virtual void SetKey(const byte *key, size_t length, const NameValuePairs &params=g_nullNameValuePairs)</div><div class="ttdoc">Sets or reset the key of this object.</div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8cpp_source.html#l00064">cryptlib.cpp:64</a></div></div>
<div class="ttc" id="class_d_m_a_c_html"><div class="ttname"><a href="class_d_m_a_c.html">DMAC</a></div><div class="ttdoc">DMAC message authentication code.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00047">dmac.h:47</a></div></div>
<div class="ttc" id="class_hash_transformation_html_a590ecda344aa0fb045abf42ec08823b2"><div class="ttname"><a href="class_hash_transformation.html#a590ecda344aa0fb045abf42ec08823b2">HashTransformation::TruncatedFinal</a></div><div class="ttdeci">virtual void TruncatedFinal(byte *digest, size_t digestSize)=0</div><div class="ttdoc">Computes the hash of the current message.</div></div>
<div class="ttc" id="class_d_m_a_c_html_a433de8cfd312830ba42f0ae227c34bef"><div class="ttname"><a href="class_d_m_a_c.html#a433de8cfd312830ba42f0ae227c34bef">DMAC::DMAC</a></div><div class="ttdeci">DMAC()</div><div class="ttdoc">Construct a DMAC.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00051">dmac.h:51</a></div></div>
<div class="ttc" id="class_d_m_a_c___base_html"><div class="ttname"><a href="class_d_m_a_c___base.html">DMAC_Base</a></div><div class="ttdoc">DMAC message authentication code base class.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00017">dmac.h:17</a></div></div>
<div class="ttc" id="class_message_authentication_code_final_html"><div class="ttname"><a href="class_message_authentication_code_final.html">MessageAuthenticationCodeFinal</a></div><div class="ttdoc">Provides class member functions to key a message authentication code.</div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00392">seckey.h:392</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="cbcmac_8h_html"><div class="ttname"><a href="cbcmac_8h.html">cbcmac.h</a></div><div class="ttdoc">Classes for CBC MAC.</div></div>
<div class="ttc" id="class_d_m_a_c___base_html_ad472a78f064ead0f9b0d1a39dce1bac9"><div class="ttname"><a href="class_d_m_a_c___base.html#ad472a78f064ead0f9b0d1a39dce1bac9">DMAC_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="dmac_8h_source.html#l00029">dmac.h:29</a></div></div>
<div class="ttc" id="class_d_m_a_c_html_a52fac17929c02766ec6d75b2d1bf6521"><div class="ttname"><a href="class_d_m_a_c.html#a52fac17929c02766ec6d75b2d1bf6521">DMAC::DMAC</a></div><div class="ttdeci">DMAC(const byte *key, size_t length=DMAC_Base< T >::DEFAULT_KEYLENGTH)</div><div class="ttdoc">Construct a DMAC.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00056">dmac.h:56</a></div></div>
<div class="ttc" id="class_d_m_a_c___base_html_a2b03546cff8891451c480c18391d83a5"><div class="ttname"><a href="class_d_m_a_c___base.html#a2b03546cff8891451c480c18391d83a5">DMAC_Base::Update</a></div><div class="ttdeci">void Update(const byte *input, size_t length)</div><div class="ttdoc">Updates a hash with additional input.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00072">dmac.h:72</a></div></div>
<div class="ttc" id="misc_8h_html_ac8391e7d9d613a6c401787d2cdab1f51"><div class="ttname"><a href="misc_8h.html#ac8391e7d9d613a6c401787d2cdab1f51">UnsignedMin</a></div><div class="ttdeci">const T1 UnsignedMin(const T1 &a, const T2 &b)</div><div class="ttdoc">Safe comparison of values that could be neagtive and incorrectly promoted.</div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00546">misc.h:546</a></div></div>
<div class="ttc" id="class_same_key_length_as_html"><div class="ttname"><a href="class_same_key_length_as.html">SameKeyLengthAs</a></div><div class="ttdoc">Provides key lengths based on another class's key length.</div><div class="ttdef"><b>Definition:</b> <a href="seckey_8h_source.html#l00240">seckey.h:240</a></div></div>
<div class="ttc" id="class_d_m_a_c___base_html_a026cf284eb700742dc1dcb4387bd3022"><div class="ttname"><a href="class_d_m_a_c___base.html#a026cf284eb700742dc1dcb4387bd3022">DMAC_Base::UncheckedSetKey</a></div><div class="ttdeci">void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs &params)</div><div class="ttdoc">Sets the key for this object without performing parameter validation.</div><div class="ttdef"><b>Definition:</b> <a href="dmac_8h_source.html#l00061">dmac.h:61</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_b_c___m_a_c_html"><div class="ttname"><a href="class_c_b_c___m_a_c.html">CBC_MAC</a></div><div class="ttdoc">CBC-MAC.</div><div class="ttdef"><b>Definition:</b> <a href="cbcmac_8h_source.html#l00043">cbcmac.h:43</a></div></div>
<div class="ttc" id="class_hash_transformation_html_aafabefaf445b65d3ba0d8e1c0294afe5"><div class="ttname"><a href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5">HashTransformation::Update</a></div><div class="ttdeci">virtual void Update(const byte *input, size_t length)=0</div><div class="ttdoc">Updates a hash with additional input.</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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