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https://github.com/taigrr/arduinolibs
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Update docs
This commit is contained in:
Rhys Weatherley
@@ -158,159 +158,149 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  state.h[6] = BLAKE2s_IV6;</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  state.h[7] = BLAKE2s_IV7;</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  state.chunkSize = 0;</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  state.finalized = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  state.length = 0;</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> }</div>
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<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
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<div class="line"><a name="l00103"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a91ba6bc39e42002ac61114ced1d0af6d"> 103</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">BLAKE2s::reset</a>(uint8_t outputLength)</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span> {</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  state.h[0] = BLAKE2s_IV0 ^ 0x01010000 ^ outputLength;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  state.h[1] = BLAKE2s_IV1;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  state.h[2] = BLAKE2s_IV2;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  state.h[3] = BLAKE2s_IV3;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  state.h[4] = BLAKE2s_IV4;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  state.h[5] = BLAKE2s_IV5;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  state.h[6] = BLAKE2s_IV6;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  state.h[7] = BLAKE2s_IV7;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  state.chunkSize = 0;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  state.finalized = <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  state.length = 0;</div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> }</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div>
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<div class="line"><a name="l00118"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911"> 118</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911">BLAKE2s::update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span> {</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="comment">// Reset the hashing process if finalize() was called previously.</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (state.finalized)</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">reset</a>();</div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> </div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="comment">// Break the input up into 512-bit chunks and process each in turn.</span></div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="keywordflow">while</span> (len > 0) {</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (state.chunkSize == 64) {</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="comment">// Previous chunk was full and we know that it wasn't the</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="comment">// last chunk, so we can process it now with f0 set to zero.</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  processChunk(0);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  state.chunkSize = 0;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  uint8_t size = 64 - state.chunkSize;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordflow">if</span> (size > len)</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  size = len;</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  memcpy(((uint8_t *)state.m) + state.chunkSize, d, size);</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  state.chunkSize += size;</div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  state.length += size;</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  len -= size;</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  d += size;</div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  }</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span> }</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  state.length = 0;</div>
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<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> }</div>
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<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> </div>
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<div class="line"><a name="l00102"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a91ba6bc39e42002ac61114ced1d0af6d"> 102</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">BLAKE2s::reset</a>(uint8_t outputLength)</div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  state.h[0] = BLAKE2s_IV0 ^ 0x01010000 ^ outputLength;</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  state.h[1] = BLAKE2s_IV1;</div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  state.h[2] = BLAKE2s_IV2;</div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  state.h[3] = BLAKE2s_IV3;</div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  state.h[4] = BLAKE2s_IV4;</div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  state.h[5] = BLAKE2s_IV5;</div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  state.h[6] = BLAKE2s_IV6;</div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  state.h[7] = BLAKE2s_IV7;</div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  state.chunkSize = 0;</div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  state.length = 0;</div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> }</div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911"> 116</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911">BLAKE2s::update</a>(<span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span> {</div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="comment">// Break the input up into 512-bit chunks and process each in turn.</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keyword">const</span> uint8_t *d = (<span class="keyword">const</span> uint8_t *)data;</div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keywordflow">while</span> (len > 0) {</div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keywordflow">if</span> (state.chunkSize == 64) {</div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="comment">// Previous chunk was full and we know that it wasn't the</span></div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="comment">// last chunk, so we can process it now with f0 set to zero.</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  processChunk(0);</div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  state.chunkSize = 0;</div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  }</div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  uint8_t size = 64 - state.chunkSize;</div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">if</span> (size > len)</div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  size = len;</div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  memcpy(((uint8_t *)state.m) + state.chunkSize, d, size);</div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  state.chunkSize += size;</div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  state.length += size;</div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  len -= size;</div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  d += size;</div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
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<div class="line"><a name="l00136"></a><span class="lineno"> 136</span> }</div>
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<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div>
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<div class="line"><a name="l00138"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b"> 138</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b">BLAKE2s::finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> {</div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="comment">// Pad the last chunk and hash it with f0 set to all-ones.</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  memset(((uint8_t *)state.m) + state.chunkSize, 0, 64 - state.chunkSize);</div>
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<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  processChunk(0xFFFFFFFF);</div>
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<div class="line"><a name="l00143"></a><span class="lineno"> 143</span> </div>
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<div class="line"><a name="l00144"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b"> 144</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b">BLAKE2s::finalize</a>(<span class="keywordtype">void</span> *hash, <span class="keywordtype">size_t</span> len)</div>
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<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> {</div>
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<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="comment">// Finalize the hash if necessary.</span></div>
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<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keywordflow">if</span> (!state.finalized) {</div>
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<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// Pad the last chunk and hash it with f0 set to all-ones.</span></div>
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<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  memset(((uint8_t *)state.m) + state.chunkSize, 0, 64 - state.chunkSize);</div>
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<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  processChunk(0xFFFFFFFF);</div>
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<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> </div>
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<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="comment">// Convert the hash into little-endian in the message buffer.</span></div>
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<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">for</span> (uint8_t posn = 0; posn < 8; ++posn)</div>
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<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  state.m[posn] = htole32(state.h[posn]);</div>
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<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  state.finalized = <span class="keyword">true</span>;</div>
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<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
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<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
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<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="comment">// Copy the hash to the caller's return buffer.</span></div>
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<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordflow">if</span> (len > 32)</div>
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<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  len = 32;</div>
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<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  memcpy(hash, state.m, len);</div>
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<div class="line"><a name="l00162"></a><span class="lineno"> 162</span> }</div>
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<div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div>
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<div class="line"><a name="l00164"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d"> 164</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a>()</div>
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<div class="line"><a name="l00165"></a><span class="lineno"> 165</span> {</div>
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<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  clean(state);</div>
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<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <a class="code" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">reset</a>();</div>
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<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div>
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<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="comment">// Permutation on the message input state for BLAKE2s.</span></div>
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<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> <span class="keyword">static</span> <span class="keyword">const</span> uint8_t sigma[10][16] PROGMEM = {</div>
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<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},</div>
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<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3},</div>
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<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  {11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4},</div>
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<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8},</div>
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<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13},</div>
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<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9},</div>
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<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  {12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11},</div>
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<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  {13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10},</div>
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<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5},</div>
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<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  {10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0}</div>
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<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> };</div>
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<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> </div>
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<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">// Perform a BLAKE2s quarter round operation.</span></div>
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<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor">#define quarterRound(a, b, c, d, i) \</span></div>
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<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"> uint32_t _b = (b); \</span></div>
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<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"> uint32_t _a = (a) + _b + state.m[pgm_read_byte(&(sigma[index][2 * (i)]))]; \</span></div>
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<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"> uint32_t _d = rightRotate16((d) ^ _a); \</span></div>
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<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="preprocessor"> uint32_t _c = (c) + _d; \</span></div>
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<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> <span class="preprocessor"> _b = rightRotate12(_b ^ _c); \</span></div>
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<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="preprocessor"> _a += _b + state.m[pgm_read_byte(&(sigma[index][2 * (i) + 1]))]; \</span></div>
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<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="preprocessor"> (d) = _d = rightRotate8(_d ^ _a); \</span></div>
|
||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="preprocessor"> _c += _d; \</span></div>
|
||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor"> (a) = _a; \</span></div>
|
||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"> (b) = rightRotate7(_b ^ _c); \</span></div>
|
||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="preprocessor"> (c) = _c; \</span></div>
|
||||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor"> } while (0)</span></div>
|
||||
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="comment">// Convert the hash into little-endian in the message buffer.</span></div>
|
||||
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  <span class="keywordflow">for</span> (uint8_t posn = 0; posn < 8; ++posn)</div>
|
||||
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  state.m[posn] = htole32(state.h[posn]);</div>
|
||||
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
|
||||
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  <span class="comment">// Copy the hash to the caller's return buffer.</span></div>
|
||||
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (len > 32)</div>
|
||||
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  len = 32;</div>
|
||||
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  memcpy(hash, state.m, len);</div>
|
||||
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span> }</div>
|
||||
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> </div>
|
||||
<div class="line"><a name="l00154"></a><span class="lineno"><a class="line" href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d"> 154</a></span> <span class="keywordtype">void</span> <a class="code" href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a>()</div>
|
||||
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div>
|
||||
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  clean(state);</div>
|
||||
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <a class="code" href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">reset</a>();</div>
|
||||
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div>
|
||||
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
|
||||
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">// Permutation on the message input state for BLAKE2s.</span></div>
|
||||
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="keyword">static</span> <span class="keyword">const</span> uint8_t sigma[10][16] PROGMEM = {</div>
|
||||
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},</div>
|
||||
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3},</div>
|
||||
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  {11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4},</div>
|
||||
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8},</div>
|
||||
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13},</div>
|
||||
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9},</div>
|
||||
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  {12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11},</div>
|
||||
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  {13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10},</div>
|
||||
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5},</div>
|
||||
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  {10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0}</div>
|
||||
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span> };</div>
|
||||
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div>
|
||||
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> <span class="comment">// Perform a BLAKE2s quarter round operation.</span></div>
|
||||
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor">#define quarterRound(a, b, c, d, i) \</span></div>
|
||||
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> <span class="preprocessor"> do { \</span></div>
|
||||
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor"> uint32_t _b = (b); \</span></div>
|
||||
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor"> uint32_t _a = (a) + _b + state.m[pgm_read_byte(&(sigma[index][2 * (i)]))]; \</span></div>
|
||||
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span> <span class="preprocessor"> uint32_t _d = rightRotate16((d) ^ _a); \</span></div>
|
||||
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="preprocessor"> uint32_t _c = (c) + _d; \</span></div>
|
||||
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="preprocessor"> _b = rightRotate12(_b ^ _c); \</span></div>
|
||||
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="preprocessor"> _a += _b + state.m[pgm_read_byte(&(sigma[index][2 * (i) + 1]))]; \</span></div>
|
||||
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="preprocessor"> (d) = _d = rightRotate8(_d ^ _a); \</span></div>
|
||||
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="preprocessor"> _c += _d; \</span></div>
|
||||
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="preprocessor"> (a) = _a; \</span></div>
|
||||
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="preprocessor"> (b) = rightRotate7(_b ^ _c); \</span></div>
|
||||
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="preprocessor"> (c) = _c; \</span></div>
|
||||
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span> <span class="preprocessor"> } while (0)</span></div>
|
||||
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span> <span class="keywordtype">void</span> BLAKE2s::processChunk(uint32_t f0)</div>
|
||||
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div>
|
||||
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  uint8_t index;</div>
|
||||
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span> </div>
|
||||
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
||||
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
||||
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
||||
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  state.m[index] = le32toh(state.m[index]);</div>
|
||||
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="keywordtype">void</span> BLAKE2s::processChunk(uint32_t f0)</div>
|
||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span> {</div>
|
||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  uint8_t index;</div>
|
||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span> </div>
|
||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="comment">// Byte-swap the message buffer into little-endian if necessary.</span></div>
|
||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="preprocessor">#if !defined(CRYPTO_LITTLE_ENDIAN)</span></div>
|
||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="preprocessor"></span> <span class="keywordflow">for</span> (index = 0; index < 16; ++index)</div>
|
||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  state.m[index] = le32toh(state.m[index]);</div>
|
||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="preprocessor">#endif</span></div>
|
||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="preprocessor"></span></div>
|
||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  memcpy(state.v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  state.v[8] = BLAKE2s_IV0;</div>
|
||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  state.v[9] = BLAKE2s_IV1;</div>
|
||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  state.v[10] = BLAKE2s_IV2;</div>
|
||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  state.v[11] = BLAKE2s_IV3;</div>
|
||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  state.v[12] = BLAKE2s_IV4 ^ (uint32_t)(state.length);</div>
|
||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  state.v[13] = BLAKE2s_IV5 ^ (uint32_t)(state.length >> 32);</div>
|
||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  state.v[14] = BLAKE2s_IV6 ^ f0;</div>
|
||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  state.v[15] = BLAKE2s_IV7;</div>
|
||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span> </div>
|
||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="comment">// Perform the 10 BLAKE2s rounds.</span></div>
|
||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="keywordflow">for</span> (index = 0; index < 10; ++index) {</div>
|
||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="comment">// Column round.</span></div>
|
||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  quarterRound(state.v[0], state.v[4], state.v[8], state.v[12], 0);</div>
|
||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  quarterRound(state.v[1], state.v[5], state.v[9], state.v[13], 1);</div>
|
||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  quarterRound(state.v[2], state.v[6], state.v[10], state.v[14], 2);</div>
|
||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  quarterRound(state.v[3], state.v[7], state.v[11], state.v[15], 3);</div>
|
||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span> </div>
|
||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="comment">// Diagonal round.</span></div>
|
||||
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  quarterRound(state.v[0], state.v[5], state.v[10], state.v[15], 4);</div>
|
||||
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  quarterRound(state.v[1], state.v[6], state.v[11], state.v[12], 5);</div>
|
||||
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  quarterRound(state.v[2], state.v[7], state.v[8], state.v[13], 6);</div>
|
||||
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  quarterRound(state.v[3], state.v[4], state.v[9], state.v[14], 7);</div>
|
||||
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  }</div>
|
||||
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span> </div>
|
||||
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
||||
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
||||
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  state.h[index] ^= (state.v[index] ^ state.v[index + 8]);</div>
|
||||
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> }</div>
|
||||
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="comment">// Format the block to be hashed.</span></div>
|
||||
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  memcpy(state.v, state.h, <span class="keyword">sizeof</span>(state.h));</div>
|
||||
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  state.v[8] = BLAKE2s_IV0;</div>
|
||||
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  state.v[9] = BLAKE2s_IV1;</div>
|
||||
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  state.v[10] = BLAKE2s_IV2;</div>
|
||||
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  state.v[11] = BLAKE2s_IV3;</div>
|
||||
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  state.v[12] = BLAKE2s_IV4 ^ (uint32_t)(state.length);</div>
|
||||
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  state.v[13] = BLAKE2s_IV5 ^ (uint32_t)(state.length >> 32);</div>
|
||||
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  state.v[14] = BLAKE2s_IV6 ^ f0;</div>
|
||||
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  state.v[15] = BLAKE2s_IV7;</div>
|
||||
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span> </div>
|
||||
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="comment">// Perform the 10 BLAKE2s rounds.</span></div>
|
||||
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">for</span> (index = 0; index < 10; ++index) {</div>
|
||||
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="comment">// Column round.</span></div>
|
||||
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  quarterRound(state.v[0], state.v[4], state.v[8], state.v[12], 0);</div>
|
||||
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  quarterRound(state.v[1], state.v[5], state.v[9], state.v[13], 1);</div>
|
||||
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  quarterRound(state.v[2], state.v[6], state.v[10], state.v[14], 2);</div>
|
||||
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  quarterRound(state.v[3], state.v[7], state.v[11], state.v[15], 3);</div>
|
||||
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span> </div>
|
||||
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  <span class="comment">// Diagonal round.</span></div>
|
||||
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  quarterRound(state.v[0], state.v[5], state.v[10], state.v[15], 4);</div>
|
||||
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  quarterRound(state.v[1], state.v[6], state.v[11], state.v[12], 5);</div>
|
||||
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  quarterRound(state.v[2], state.v[7], state.v[8], state.v[13], 6);</div>
|
||||
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  quarterRound(state.v[3], state.v[4], state.v[9], state.v[14], 7);</div>
|
||||
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  }</div>
|
||||
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span> </div>
|
||||
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="comment">// Combine the new and old hash values.</span></div>
|
||||
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keywordflow">for</span> (index = 0; index < 8; ++index)</div>
|
||||
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  state.h[index] ^= (state.v[index] ^ state.v[index + 8]);</div>
|
||||
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> }</div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a4b3187ecaa3d3c8febfbb40c0f779aa7"><div class="ttname"><a href="classBLAKE2s.html#a4b3187ecaa3d3c8febfbb40c0f779aa7">BLAKE2s::~BLAKE2s</a></div><div class="ttdeci">virtual ~BLAKE2s()</div><div class="ttdoc">Destroys this BLAKE2s hash object after clearing sensitive information. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00056">BLAKE2s.cpp:56</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_af9f50aac096f92ba27b1b2dd48df4c52"><div class="ttname"><a href="classBLAKE2s.html#af9f50aac096f92ba27b1b2dd48df4c52">BLAKE2s::hashSize</a></div><div class="ttdeci">size_t hashSize() const </div><div class="ttdoc">Size of the hash result from finalize(). </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00061">BLAKE2s.cpp:61</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00164">BLAKE2s.cpp:164</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a0848885f52df51dc53949d32a206e72d"><div class="ttname"><a href="classBLAKE2s.html#a0848885f52df51dc53949d32a206e72d">BLAKE2s::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears the hash state, removing all sensitive data, and then resets the hash ready for a new hashing ...</div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00154">BLAKE2s.cpp:154</a></div></div>
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<div class="ttc" id="classBLAKE2s_html_a778776d15316c182fdb2df5a89b3ca02"><div class="ttname"><a href="classBLAKE2s.html#a778776d15316c182fdb2df5a89b3ca02">BLAKE2s::reset</a></div><div class="ttdeci">void reset()</div><div class="ttdoc">Resets the hash ready for a new hashing process. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00081">BLAKE2s.cpp:81</a></div></div>
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<div class="ttc" id="classBLAKE2s_html_a9b5403734c20a0591d72a98912e4a305"><div class="ttname"><a href="classBLAKE2s.html#a9b5403734c20a0591d72a98912e4a305">BLAKE2s::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of the internal block used by the hash algorithm. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00066">BLAKE2s.cpp:66</a></div></div>
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||||
<div class="ttc" id="classBLAKE2s_html_aa192da2fa044b03cccaf11e87fdf9911"><div class="ttname"><a href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911">BLAKE2s::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00118">BLAKE2s.cpp:118</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a751a3d772cbe1cd1dad83dbd09853b1b"><div class="ttname"><a href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b">BLAKE2s::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00144">BLAKE2s.cpp:144</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_aa192da2fa044b03cccaf11e87fdf9911"><div class="ttname"><a href="classBLAKE2s.html#aa192da2fa044b03cccaf11e87fdf9911">BLAKE2s::update</a></div><div class="ttdeci">void update(const void *data, size_t len)</div><div class="ttdoc">Updates the hash with more data. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00116">BLAKE2s.cpp:116</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a751a3d772cbe1cd1dad83dbd09853b1b"><div class="ttname"><a href="classBLAKE2s.html#a751a3d772cbe1cd1dad83dbd09853b1b">BLAKE2s::finalize</a></div><div class="ttdeci">void finalize(void *hash, size_t len)</div><div class="ttdoc">Finalizes the hashing process and returns the hash. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00138">BLAKE2s.cpp:138</a></div></div>
|
||||
<div class="ttc" id="classBLAKE2s_html_a7345f4e08c19d7a8c278282b46df21a2"><div class="ttname"><a href="classBLAKE2s.html#a7345f4e08c19d7a8c278282b46df21a2">BLAKE2s::BLAKE2s</a></div><div class="ttdeci">BLAKE2s()</div><div class="ttdoc">Constructs a BLAKE2s hash object. </div><div class="ttdef"><b>Definition:</b> <a href="BLAKE2s_8cpp_source.html#l00047">BLAKE2s.cpp:47</a></div></div>
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