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 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<div class="title">pubkey.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// pubkey.cpp - 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> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="preprocessor">#include "<a class="code" href="pch_8h.html">pch.h</a>"</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> </div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="preprocessor">#ifndef CRYPTOPP_IMPORTS</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> </div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "<a class="code" href="pubkey_8h.html">pubkey.h</a>"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "<a class="code" href="integer_8h.html">integer.h</a>"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "<a class="code" href="filters_8h.html">filters.h</a>"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> </div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> </div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="keywordtype">void</span> P1363_MGF1KDF2_Common(<a class="code" href="class_hash_transformation.html">HashTransformation</a> &hash, byte *output, <span class="keywordtype">size_t</span> outputLength, <span class="keyword">const</span> byte *input, <span class="keywordtype">size_t</span> inputLength, <span class="keyword">const</span> byte *derivationParams, <span class="keywordtype">size_t</span> derivationParamsLength, <span class="keywordtype">bool</span> mask, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> counterStart)</div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> {</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <a class="code" href="class_array_sink.html">ArraySink</a> *sink;</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  <a class="code" href="class_hash_filter.html">HashFilter</a> filter(hash, sink = mask ? <span class="keyword">new</span> <a class="code" href="class_array_xor_sink.html">ArrayXorSink</a>(output, outputLength) : <span class="keyword">new</span> <a class="code" href="class_array_sink.html">ArraySink</a>(output, outputLength));</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  word32 counter = counterStart;</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  <span class="keywordflow">while</span> (sink-><a class="code" href="class_array_sink.html#a8a0b2bc344136755ae7edc83cea078cc">AvailableSize</a>() > 0)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span>  {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  filter.Put(input, inputLength);</div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  filter.PutWord32(counter++);</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  filter.Put(derivationParams, derivationParamsLength);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  filter.MessageEnd();</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> }</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="keywordtype">bool</span> PK_DeterministicSignatureMessageEncodingMethod::VerifyMessageRepresentative(</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  <a class="code" href="class_hash_transformation.html">HashTransformation</a> &hash, HashIdentifier hashIdentifier, <span class="keywordtype">bool</span> messageEmpty,</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  byte *representative, <span class="keywordtype">size_t</span> representativeBitLength)<span class="keyword"> const</span></div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="keyword"></span>{</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> computedRepresentative(<a class="code" href="misc_8h.html#a7c5d30b17c9d4869fdc3458dd05c500d">BitsToBytes</a>(representativeBitLength));</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  ComputeMessageRepresentative(<a class="code" href="cryptlib_8h.html#a1e53479a6d427158247ac1ece3161a6d">NullRNG</a>(), NULLPTR, 0, hash, hashIdentifier, messageEmpty, computedRepresentative, representativeBitLength);</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  <span class="keywordflow">return</span> <a class="code" href="misc_8h.html#a8e14b85d64aa63e5ba80471716837c74">VerifyBufsEqual</a>(representative, computedRepresentative, computedRepresentative.size());</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> }</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keywordtype">bool</span> PK_RecoverableSignatureMessageEncodingMethod::VerifyMessageRepresentative(</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="class_hash_transformation.html">HashTransformation</a> &hash, HashIdentifier hashIdentifier, <span class="keywordtype">bool</span> messageEmpty,</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  byte *representative, <span class="keywordtype">size_t</span> representativeBitLength)<span class="keyword"> const</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword"></span>{</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> recoveredMessage(MaxRecoverableLength(representativeBitLength, hashIdentifier.second, hash.<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()));</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <a class="code" href="struct_decoding_result.html">DecodingResult</a> result = RecoverMessageFromRepresentative(</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  hash, hashIdentifier, messageEmpty, representative, representativeBitLength, recoveredMessage);</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  <span class="keywordflow">return</span> result.<a class="code" href="struct_decoding_result.html#ab88062318cd0e68b3061db351d3ba34d">isValidCoding</a> && result.<a class="code" href="struct_decoding_result.html#af4496c82e5764175a27e36629e1cded7">messageLength</a> == 0;</div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> }</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00047"></a><span class="lineno"><a class="line" href="class_t_f___signer_base.html#a7025c051e00eccc96a69a38c3e5ef506"> 47</a></span> <span class="keywordtype">void</span> <a class="code" href="class_t_f___signer_base.html#a7025c051e00eccc96a69a38c3e5ef506">TF_SignerBase::InputRecoverableMessage</a>(<a class="code" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, <span class="keyword">const</span> byte *recoverableMessage, <span class="keywordtype">size_t</span> recoverableMessageLength)<span class="keyword"> const</span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword"></span>{</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  <a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &ma = <span class="keyword">static_cast<</span><a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &<span class="keyword">></span>(messageAccumulator);</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  HashIdentifier <span class="keywordtype">id</span> = GetHashIdentifier();</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">const</span> <a class="code" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> &encoding = GetMessageEncodingInterface();</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordflow">if</span> (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(<span class="keywordtype">id</span>.second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()))</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordflow">throw</span> <a class="code" href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a>();</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> </div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordtype">size_t</span> maxRecoverableLength = encoding.MaxRecoverableLength(MessageRepresentativeBitLength(), GetHashIdentifier().second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>());</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">if</span> (maxRecoverableLength == 0)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  {<span class="keywordflow">throw</span> <a class="code" href="class_not_implemented.html">NotImplemented</a>(<span class="stringliteral">"TF_SignerBase: this algorithm does not support message recovery or the key is too short"</span>);}</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordflow">if</span> (recoverableMessageLength > maxRecoverableLength)</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">throw</span> <a class="code" href="class_invalid_argument.html">InvalidArgument</a>(<span class="stringliteral">"TF_SignerBase: the recoverable message part is too long for the given key and algorithm"</span>);</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>  ma.m_recoverableMessage.<a class="code" href="class_sec_block.html#aaf38f976508a632e2f74aa4f2622da86">Assign</a>(recoverableMessage, recoverableMessageLength);</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  encoding.ProcessRecoverableMessage(</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  ma.AccessHash(),</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  recoverableMessage, recoverableMessageLength,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  NULLPTR, 0, ma.m_semisignature);</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> </div><div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="class_t_f___signer_base.html#a4bea75aabc6715680e0c1ab7373c5440"> 70</a></span> <span class="keywordtype">size_t</span> <a class="code" href="class_t_f___signer_base.html#a4bea75aabc6715680e0c1ab7373c5440">TF_SignerBase::SignAndRestart</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <a class="code" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, byte *signature, <span class="keywordtype">bool</span> restart)<span class="keyword"> const</span></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="keyword"></span>{</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  CRYPTOPP_UNUSED(restart);</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>  <a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &ma = <span class="keyword">static_cast<</span><a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &<span class="keyword">></span>(messageAccumulator);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  HashIdentifier <span class="keywordtype">id</span> = GetHashIdentifier();</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keyword">const</span> <a class="code" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> &encoding = GetMessageEncodingInterface();</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="keywordflow">if</span> (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(<span class="keywordtype">id</span>.second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()))</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <span class="keywordflow">throw</span> <a class="code" href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a>();</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>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> representative(MessageRepresentativeLength());</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  encoding.ComputeMessageRepresentative(rng,</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  ma.m_recoverableMessage, ma.m_recoverableMessage.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>(),</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  ma.AccessHash(), id, ma.m_empty,</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  representative, MessageRepresentativeBitLength());</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  ma.m_empty = <span class="keyword">true</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <a class="code" href="class_integer.html">Integer</a> r(representative, representative.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>());</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  <span class="keywordtype">size_t</span> signatureLength = SignatureLength();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  GetTrapdoorFunctionInterface().CalculateRandomizedInverse(rng, r).Encode(signature, signatureLength);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  <span class="keywordflow">return</span> signatureLength;</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> </div><div class="line"><a name="l00094"></a><span class="lineno"><a class="line" href="class_t_f___verifier_base.html#a3aef5cd6fad386f2e37ea7f5f96760fc"> 94</a></span> <span class="keywordtype">void</span> <a class="code" href="class_t_f___verifier_base.html#a3aef5cd6fad386f2e37ea7f5f96760fc">TF_VerifierBase::InputSignature</a>(<a class="code" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator, <span class="keyword">const</span> byte *signature, <span class="keywordtype">size_t</span> signatureLength)<span class="keyword"> const</span></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> <span class="keyword"></span>{</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &ma = <span class="keyword">static_cast<</span><a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &<span class="keyword">></span>(messageAccumulator);</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  HashIdentifier <span class="keywordtype">id</span> = GetHashIdentifier();</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">const</span> <a class="code" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> &encoding = GetMessageEncodingInterface();</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(<span class="keywordtype">id</span>.second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()))</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keywordflow">throw</span> <a class="code" href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a>();</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  ma.m_representative.<a class="code" href="class_sec_block.html#a90d46e577c951d81a2d25a4742a3e979">New</a>(MessageRepresentativeLength());</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <a class="code" href="class_integer.html">Integer</a> x = GetTrapdoorFunctionInterface().ApplyFunction(<a class="code" href="class_integer.html">Integer</a>(signature, signatureLength));</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> (x.BitCount() > MessageRepresentativeBitLength())</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  x = <a class="code" href="class_integer.html#a19b7e6d48b1b57bd4846160ea2928175">Integer::Zero</a>(); <span class="comment">// don't return false here to prevent timing attack</span></div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  x.Encode(ma.m_representative, ma.m_representative.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>());</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> }</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"><a class="line" href="class_t_f___verifier_base.html#a4b2939810bf9ddc7bf77562c3a1fd27c"> 110</a></span> <span class="keywordtype">bool</span> <a class="code" href="class_t_f___verifier_base.html#a4b2939810bf9ddc7bf77562c3a1fd27c">TF_VerifierBase::VerifyAndRestart</a>(<a class="code" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator)<span class="keyword"> const</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="keyword"></span>{</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &ma = <span class="keyword">static_cast<</span><a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &<span class="keyword">></span>(messageAccumulator);</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  HashIdentifier <span class="keywordtype">id</span> = GetHashIdentifier();</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keyword">const</span> <a class="code" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> &encoding = GetMessageEncodingInterface();</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="keywordflow">if</span> (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(<span class="keywordtype">id</span>.second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()))</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">throw</span> <a class="code" href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a>();</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>  <span class="keywordtype">bool</span> result = encoding.VerifyMessageRepresentative(</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength());</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  ma.m_empty = <span class="keyword">true</span>;</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div><div class="line"><a name="l00125"></a><span class="lineno"><a class="line" href="class_t_f___verifier_base.html#afff8535e4229e7e27e0824ce68e7e723"> 125</a></span> <a class="code" href="struct_decoding_result.html">DecodingResult</a> <a class="code" href="class_t_f___verifier_base.html#afff8535e4229e7e27e0824ce68e7e723">TF_VerifierBase::RecoverAndRestart</a>(byte *recoveredMessage, <a class="code" href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a> &messageAccumulator)<span class="keyword"> const</span></div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="keyword"></span>{</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &ma = <span class="keyword">static_cast<</span><a class="code" href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a> &<span class="keyword">></span>(messageAccumulator);</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  HashIdentifier <span class="keywordtype">id</span> = GetHashIdentifier();</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="keyword">const</span> <a class="code" href="class_p_k___signature_message_encoding_method.html">MessageEncodingInterface</a> &encoding = GetMessageEncodingInterface();</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (MessageRepresentativeBitLength() < encoding.MinRepresentativeBitLength(<span class="keywordtype">id</span>.second, ma.AccessHash().<a class="code" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">DigestSize</a>()))</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">throw</span> <a class="code" href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a>();</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <a class="code" href="struct_decoding_result.html">DecodingResult</a> result = encoding.RecoverMessageFromRepresentative(</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ma.AccessHash(), id, ma.m_empty, ma.m_representative, MessageRepresentativeBitLength(), recoveredMessage);</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  ma.m_empty = <span class="keyword">true</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> result;</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> </div><div class="line"><a name="l00140"></a><span class="lineno"><a class="line" href="class_t_f___decryptor_base.html#ab013c5ab13f90882f68bf065bd27fbed"> 140</a></span> <a class="code" href="struct_decoding_result.html">DecodingResult</a> <a class="code" href="class_t_f___decryptor_base.html#ab013c5ab13f90882f68bf065bd27fbed">TF_DecryptorBase::Decrypt</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <span class="keyword">const</span> byte *ciphertext, <span class="keywordtype">size_t</span> ciphertextLength, byte *plaintext, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &parameters)<span class="keyword"> const</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="keyword"></span>{</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="keywordflow">if</span> (ciphertextLength != FixedCiphertextLength())</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">throw</span> <a class="code" href="class_invalid_argument.html">InvalidArgument</a>(<a class="code" href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a>() + <span class="stringliteral">": ciphertext length of "</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(ciphertextLength) + <span class="stringliteral">" doesn't match the required length of "</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(FixedCiphertextLength()) + <span class="stringliteral">" for this key"</span>);</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>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> paddedBlock(PaddedBlockByteLength());</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <a class="code" href="class_integer.html">Integer</a> x = GetTrapdoorFunctionInterface().CalculateInverse(rng, <a class="code" href="class_integer.html">Integer</a>(ciphertext, ciphertextLength));</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (x.ByteCount() > paddedBlock.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>())</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  x = <a class="code" href="class_integer.html#a19b7e6d48b1b57bd4846160ea2928175">Integer::Zero</a>(); <span class="comment">// don't return false here to prevent timing attack</span></div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  x.Encode(paddedBlock, paddedBlock.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>());</div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> GetMessageEncodingInterface().Unpad(paddedBlock, PaddedBlockBitLength(), plaintext, parameters);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> </div><div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="class_t_f___encryptor_base.html#afa1feef1aeea65276bba4788f5d7b0b4"> 153</a></span> <span class="keywordtype">void</span> <a class="code" href="class_t_f___encryptor_base.html#afa1feef1aeea65276bba4788f5d7b0b4">TF_EncryptorBase::Encrypt</a>(<a class="code" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, <span class="keyword">const</span> byte *plaintext, <span class="keywordtype">size_t</span> plaintextLength, byte *ciphertext, <span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &parameters)<span class="keyword"> const</span></div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keyword"></span>{</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">if</span> (plaintextLength > FixedMaxPlaintextLength())</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="keywordflow">if</span> (FixedMaxPlaintextLength() < 1)</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">throw</span> <a class="code" href="class_invalid_argument.html">InvalidArgument</a>(<a class="code" href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a>() + <span class="stringliteral">": this key is too short to encrypt any messages"</span>);</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">throw</span> <a class="code" href="class_invalid_argument.html">InvalidArgument</a>(<a class="code" href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a>() + <span class="stringliteral">": message length of "</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(plaintextLength) + <span class="stringliteral">" exceeds the maximum of "</span> + <a class="code" href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a>(FixedMaxPlaintextLength()) + <span class="stringliteral">" for this public key"</span>);</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  }</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <a class="code" href="class_sec_byte_block.html">SecByteBlock</a> paddedBlock(PaddedBlockByteLength());</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  GetMessageEncodingInterface().Pad(rng, plaintext, plaintextLength, paddedBlock, PaddedBlockBitLength(), parameters);</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  GetTrapdoorFunctionInterface().ApplyRandomizedFunction(rng, <a class="code" href="class_integer.html">Integer</a>(paddedBlock, paddedBlock.<a class="code" href="class_sec_block.html#af5999bffe3193e62719cc0792b0282a7">size</a>())).Encode(ciphertext, FixedCiphertextLength());</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> }</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span> NAMESPACE_END</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_invalid_argument_html"><div class="ttname"><a href="class_invalid_argument.html">InvalidArgument</a></div><div class="ttdoc">An invalid argument was detected. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00199">cryptlib.h:199</a></div></div>
<div class="ttc" id="misc_8h_html_a7c5d30b17c9d4869fdc3458dd05c500d"><div class="ttname"><a href="misc_8h.html#a7c5d30b17c9d4869fdc3458dd05c500d">BitsToBytes</a></div><div class="ttdeci">size_t BitsToBytes(size_t bitCount)</div><div class="ttdoc">Returns the number of 8-bit bytes or octets required for the specified number of bits. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00790">misc.h:790</a></div></div>
<div class="ttc" id="pubkey_8h_html"><div class="ttname"><a href="pubkey_8h.html">pubkey.h</a></div><div class="ttdoc">This file contains helper classes/functions for implementing public key algorithms. </div></div>
<div class="ttc" id="class_t_f___signer_base_html_a4bea75aabc6715680e0c1ab7373c5440"><div class="ttname"><a href="class_t_f___signer_base.html#a4bea75aabc6715680e0c1ab7373c5440">TF_SignerBase::SignAndRestart</a></div><div class="ttdeci">size_t SignAndRestart(RandomNumberGenerator &rng, PK_MessageAccumulator &messageAccumulator, byte *signature, bool restart=true) const</div><div class="ttdoc">Sign and restart messageAccumulator. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00070">pubkey.cpp:70</a></div></div>
<div class="ttc" id="class_p_k___signature_message_encoding_method_html"><div class="ttname"><a href="class_p_k___signature_message_encoding_method.html">PK_SignatureMessageEncodingMethod</a></div><div class="ttdoc">Interface for message encoding method for public key signature schemes. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8h_source.html#l00310">pubkey.h:310</a></div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Library configuration file. </div></div>
<div class="ttc" id="class_random_number_generator_html"><div class="ttname"><a href="class_random_number_generator.html">RandomNumberGenerator</a></div><div class="ttdoc">Interface for random number generators. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01330">cryptlib.h:1330</a></div></div>
<div class="ttc" id="struct_decoding_result_html_af4496c82e5764175a27e36629e1cded7"><div class="ttname"><a href="struct_decoding_result.html#af4496c82e5764175a27e36629e1cded7">DecodingResult::messageLength</a></div><div class="ttdeci">size_t messageLength</div><div class="ttdoc">Recovered message length if isValidCoding is true, undefined otherwise. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00275">cryptlib.h:275</a></div></div>
<div class="ttc" id="class_sec_block_html_a90d46e577c951d81a2d25a4742a3e979"><div class="ttname"><a href="class_sec_block.html#a90d46e577c951d81a2d25a4742a3e979">SecBlock::New</a></div><div class="ttdeci">void New(size_type newSize)</div><div class="ttdoc">Change size without preserving contents. </div><div class="ttdef"><b>Definition:</b> <a href="secblock_8h_source.html#l00729">secblock.h:729</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="class_t_f___verifier_base_html_a3aef5cd6fad386f2e37ea7f5f96760fc"><div class="ttname"><a href="class_t_f___verifier_base.html#a3aef5cd6fad386f2e37ea7f5f96760fc">TF_VerifierBase::InputSignature</a></div><div class="ttdeci">void InputSignature(PK_MessageAccumulator &messageAccumulator, const byte *signature, size_t signatureLength) const</div><div class="ttdoc">Input signature into a message accumulator. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00094">pubkey.cpp:94</a></div></div>
<div class="ttc" id="class_t_f___signer_base_html_a7025c051e00eccc96a69a38c3e5ef506"><div class="ttname"><a href="class_t_f___signer_base.html#a7025c051e00eccc96a69a38c3e5ef506">TF_SignerBase::InputRecoverableMessage</a></div><div class="ttdeci">void InputRecoverableMessage(PK_MessageAccumulator &messageAccumulator, const byte *recoverableMessage, size_t recoverableMessageLength) const</div><div class="ttdoc">Input a recoverable message to an accumulator. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00047">pubkey.cpp:47</a></div></div>
<div class="ttc" id="class_array_sink_html"><div class="ttname"><a href="class_array_sink.html">ArraySink</a></div><div class="ttdoc">Copy input to a memory buffer. </div><div class="ttdef"><b>Definition:</b> <a href="filters_8h_source.html#l01132">filters.h:1132</a></div></div>
<div class="ttc" id="struct_decoding_result_html"><div class="ttname"><a href="struct_decoding_result.html">DecodingResult</a></div><div class="ttdoc">Returns a decoding results. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00252">cryptlib.h:252</a></div></div>
<div class="ttc" id="class_array_xor_sink_html"><div class="ttname"><a href="class_array_xor_sink.html">ArrayXorSink</a></div><div class="ttdoc">Xor input to a memory buffer. </div><div class="ttdef"><b>Definition:</b> <a href="filters_8h_source.html#l01174">filters.h:1174</a></div></div>
<div class="ttc" id="class_not_implemented_html"><div class="ttname"><a href="class_not_implemented.html">NotImplemented</a></div><div class="ttdoc">A method was called which was not implemented. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00220">cryptlib.h:220</a></div></div>
<div class="ttc" id="class_hash_filter_html"><div class="ttname"><a href="class_hash_filter.html">HashFilter</a></div><div class="ttdoc">Filter wrapper for HashTransformation. </div><div class="ttdef"><b>Definition:</b> <a href="filters_8h_source.html#l00550">filters.h:550</a></div></div>
<div class="ttc" id="class_p_k___signature_scheme_1_1_key_too_short_html"><div class="ttname"><a href="class_p_k___signature_scheme_1_1_key_too_short.html">PK_SignatureScheme::KeyTooShort</a></div><div class="ttdoc">Exception throw when the private or public key is too short to sign or verify. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l02628">cryptlib.h:2628</a></div></div>
<div class="ttc" id="class_p_k___message_accumulator_base_html"><div class="ttname"><a href="class_p_k___message_accumulator_base.html">PK_MessageAccumulatorBase</a></div><div class="ttdoc">Interface for message encoding method for public key signature schemes. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8h_source.html#l00451">pubkey.h:451</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_t_f___verifier_base_html_afff8535e4229e7e27e0824ce68e7e723"><div class="ttname"><a href="class_t_f___verifier_base.html#afff8535e4229e7e27e0824ce68e7e723">TF_VerifierBase::RecoverAndRestart</a></div><div class="ttdeci">DecodingResult RecoverAndRestart(byte *recoveredMessage, PK_MessageAccumulator &recoveryAccumulator) const</div><div class="ttdoc">Recover a message from its signature. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00125">pubkey.cpp:125</a></div></div>
<div class="ttc" id="class_integer_html"><div class="ttname"><a href="class_integer.html">Integer</a></div><div class="ttdoc">Multiple precision integer with arithmetic operations. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8h_source.html#l00049">integer.h:49</a></div></div>
<div class="ttc" id="pch_8h_html"><div class="ttname"><a href="pch_8h.html">pch.h</a></div><div class="ttdoc">Precompiled header file. </div></div>
<div class="ttc" id="class_array_sink_html_a8a0b2bc344136755ae7edc83cea078cc"><div class="ttname"><a href="class_array_sink.html#a8a0b2bc344136755ae7edc83cea078cc">ArraySink::AvailableSize</a></div><div class="ttdeci">size_t AvailableSize()</div><div class="ttdoc">Provides the size remaining in the Sink. </div><div class="ttdef"><b>Definition:</b> <a href="filters_8h_source.html#l01151">filters.h:1151</a></div></div>
<div class="ttc" id="class_algorithm_html_a4f31510a192d1121856efe8ad0a9b844"><div class="ttname"><a href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">Algorithm::AlgorithmName</a></div><div class="ttdeci">virtual std::string AlgorithmName() const</div><div class="ttdoc">Provides the name of this algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00594">cryptlib.h:594</a></div></div>
<div class="ttc" id="cryptlib_8h_html_a1e53479a6d427158247ac1ece3161a6d"><div class="ttname"><a href="cryptlib_8h.html#a1e53479a6d427158247ac1ece3161a6d">NullRNG</a></div><div class="ttdeci">RandomNumberGenerator & NullRNG()</div><div class="ttdoc">Random Number Generator that does not produce random numbers. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8cpp_source.html#l00406">cryptlib.cpp:406</a></div></div>
<div class="ttc" id="filters_8h_html"><div class="ttname"><a href="filters_8h.html">filters.h</a></div><div class="ttdoc">Implementation of BufferedTransformation&#39;s attachment interface. </div></div>
<div class="ttc" id="class_p_k___message_accumulator_html"><div class="ttname"><a href="class_p_k___message_accumulator.html">PK_MessageAccumulator</a></div><div class="ttdoc">Interface for accumulating messages to be signed or verified. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l02689">cryptlib.h:2689</a></div></div>
<div class="ttc" id="class_hash_transformation_html_a9f42cc280bac76b884ad12615c0dabb5"><div class="ttname"><a href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5">HashTransformation::DigestSize</a></div><div class="ttdeci">virtual unsigned int DigestSize() const =0</div><div class="ttdoc">Provides the digest size of the hash. </div></div>
<div class="ttc" id="class_hash_transformation_html"><div class="ttname"><a href="class_hash_transformation.html">HashTransformation</a></div><div class="ttdoc">Interface for hash functions and data processing part of MACs. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l01065">cryptlib.h:1065</a></div></div>
<div class="ttc" id="misc_8h_html_a6cd7decd035cc4e144cd3d395e834106"><div class="ttname"><a href="misc_8h.html#a6cd7decd035cc4e144cd3d395e834106">IntToString</a></div><div class="ttdeci">std::string IntToString(T value, unsigned int base=10)</div><div class="ttdoc">Converts a value to a string. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l00576">misc.h:576</a></div></div>
<div class="ttc" id="misc_8h_html_a8e14b85d64aa63e5ba80471716837c74"><div class="ttname"><a href="misc_8h.html#a8e14b85d64aa63e5ba80471716837c74">VerifyBufsEqual</a></div><div class="ttdeci">bool VerifyBufsEqual(const byte *buf1, const byte *buf2, size_t count)</div><div class="ttdoc">Performs a near constant-time comparison of two equally sized buffers. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8cpp_source.html#l00100">misc.cpp:100</a></div></div>
<div class="ttc" id="integer_8h_html"><div class="ttname"><a href="integer_8h.html">integer.h</a></div><div class="ttdoc">Multiple precision integer with arithmetic operations. </div></div>
<div class="ttc" id="class_t_f___decryptor_base_html_ab013c5ab13f90882f68bf065bd27fbed"><div class="ttname"><a href="class_t_f___decryptor_base.html#ab013c5ab13f90882f68bf065bd27fbed">TF_DecryptorBase::Decrypt</a></div><div class="ttdeci">DecodingResult Decrypt(RandomNumberGenerator &rng, const byte *ciphertext, size_t ciphertextLength, byte *plaintext, const NameValuePairs &parameters=g_nullNameValuePairs) const</div><div class="ttdoc">Decrypt a byte string. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00140">pubkey.cpp:140</a></div></div>
<div class="ttc" id="class_integer_html_a19b7e6d48b1b57bd4846160ea2928175"><div class="ttname"><a href="class_integer.html#a19b7e6d48b1b57bd4846160ea2928175">Integer::Zero</a></div><div class="ttdeci">static const Integer & Zero()</div><div class="ttdoc">Integer representing 0. </div><div class="ttdef"><b>Definition:</b> <a href="integer_8cpp_source.html#l04812">integer.cpp:4812</a></div></div>
<div class="ttc" id="struct_decoding_result_html_ab88062318cd0e68b3061db351d3ba34d"><div class="ttname"><a href="struct_decoding_result.html#ab88062318cd0e68b3061db351d3ba34d">DecodingResult::isValidCoding</a></div><div class="ttdeci">bool isValidCoding</div><div class="ttdoc">Flag to indicate the decoding is valid. </div><div class="ttdef"><b>Definition:</b> <a href="cryptlib_8h_source.html#l00273">cryptlib.h:273</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_t_f___encryptor_base_html_afa1feef1aeea65276bba4788f5d7b0b4"><div class="ttname"><a href="class_t_f___encryptor_base.html#afa1feef1aeea65276bba4788f5d7b0b4">TF_EncryptorBase::Encrypt</a></div><div class="ttdeci">void Encrypt(RandomNumberGenerator &rng, const byte *plaintext, size_t plaintextLength, byte *ciphertext, const NameValuePairs &parameters=g_nullNameValuePairs) const</div><div class="ttdoc">Encrypt a byte string. </div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00153">pubkey.cpp:153</a></div></div>
<div class="ttc" id="class_t_f___verifier_base_html_a4b2939810bf9ddc7bf77562c3a1fd27c"><div class="ttname"><a href="class_t_f___verifier_base.html#a4b2939810bf9ddc7bf77562c3a1fd27c">TF_VerifierBase::VerifyAndRestart</a></div><div class="ttdeci">bool VerifyAndRestart(PK_MessageAccumulator &messageAccumulator) const</div><div class="ttdoc">Check whether messageAccumulator contains a valid signature and message, and restart messageAccumulat...</div><div class="ttdef"><b>Definition:</b> <a href="pubkey_8cpp_source.html#l00110">pubkey.cpp:110</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="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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