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<div class="title">SpeckTiny.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment"> * Copyright (C) 2016 Southern Storm Software, Pty Ltd.</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"> * copy of this software and associated documentation files (the &quot;Software&quot;),</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> * in all copies or substantial portions of the Software.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> * THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160;<span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;</div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &quot;SpeckTiny.h&quot;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &quot;Crypto.h&quot;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &quot;utility/RotateUtil.h&quot;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &quot;utility/EndianUtil.h&quot;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160;<span class="comment">// The &quot;avr-gcc&quot; compiler doesn&#39;t do a very good job of compiling</span></div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160;<span class="comment">// code involving 64-bit values. So we have to use inline assembly.</span></div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;<span class="comment">// It also helps to break the state up into 32-bit quantities</span></div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;<span class="comment">// because &quot;asm&quot; supports register names like %A0, %B0, %C0, %D0</span></div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160;<span class="comment">// for the bytes in a 32-bit quantity, but it does not support</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="comment">// %E0, %F0, %G0, %H0 for the high bytes of a 64-bit quantity.</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="preprocessor">#if defined(__AVR__)</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define USE_AVR_INLINE_ASM 1</span></div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a2ac351443979ea9da3521e79313cc580"> 76</a></span>&#160;<a class="code" href="classSpeckTiny.html#a2ac351443979ea9da3521e79313cc580">SpeckTiny::SpeckTiny</a>()</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; : rounds(32)</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160;{</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160;}</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160;</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160;SpeckTiny::~SpeckTiny()</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160;{</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; clean(k);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160;}</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160;</div>
<div class="line"><a name="l00086"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#af8bbd1d1124fd1c4ef1aa167625376a9"> 86</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="classSpeckTiny.html#af8bbd1d1124fd1c4ef1aa167625376a9">SpeckTiny::blockSize</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; <span class="keywordflow">return</span> 16;</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160;}</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a5587909ba48776b01bbd40b339b1262e"> 91</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="classSpeckTiny.html#a5587909ba48776b01bbd40b339b1262e">SpeckTiny::keySize</a>()<span class="keyword"> const</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160;<span class="keyword"></span>{</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="comment">// Also supports 128-bit and 192-bit, but we only report 256-bit.</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; <span class="keywordflow">return</span> 32;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160;}</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160;<span class="comment">// Pack/unpack byte-aligned big-endian 64-bit quantities.</span></div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160;<span class="preprocessor">#define pack64(data, value) \</span></div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160;<span class="preprocessor"> uint64_t v = htobe64((value)); \</span></div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160;<span class="preprocessor"> memcpy((data), &amp;v, sizeof(uint64_t)); \</span></div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160;<span class="preprocessor"> } while (0)</span></div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160;<span class="preprocessor"></span><span class="preprocessor">#define unpack64(value, data) \</span></div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160;<span class="preprocessor"> do { \</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="preprocessor"> memcpy(&amp;(value), (data), sizeof(uint64_t)); \</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="preprocessor"> (value) = be64toh((value)); \</span></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="preprocessor"> } while (0)</span></div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00109"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a05180c773b9d26d3b67ff569dc86fc2d"> 109</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="classSpeckTiny.html#a05180c773b9d26d3b67ff569dc86fc2d">SpeckTiny::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160;{</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160;<span class="preprocessor">#if USE_AVR_INLINE_ASM</span></div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160;<span class="preprocessor"></span> <span class="comment">// Determine the number of rounds to use and validate the key length.</span></div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; <span class="keywordflow">if</span> (len == 32) {</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; rounds = 34;</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 24) {</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160; rounds = 33;</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 16) {</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160; rounds = 32;</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; }</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; <span class="comment">// Copy the bytes of the key into the &quot;k&quot; array in reverse order to</span></div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; <span class="comment">// convert big endian into little-endian.</span></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; __asm__ __volatile__ (</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="stringliteral">&quot;1:\n&quot;</span></div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="stringliteral">&quot;ld __tmp_reg__,-Z\n&quot;</span></div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; <span class="stringliteral">&quot;st X+,__tmp_reg__\n&quot;</span></div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="stringliteral">&quot;dec %2\n&quot;</span></div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160; <span class="stringliteral">&quot;brne 1b\n&quot;</span></div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>&#160; : : <span class="stringliteral">&quot;x&quot;</span>(k), <span class="stringliteral">&quot;z&quot;</span>(key + len), <span class="stringliteral">&quot;r&quot;</span>(len)</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160; );</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">if</span> (len == 32) {</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; rounds = 34;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; unpack64(k[3], key);</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; unpack64(k[2], key + 8);</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; unpack64(k[1], key + 16);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; unpack64(k[0], key + 24);</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 24) {</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; rounds = 33;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; unpack64(k[2], key);</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; unpack64(k[1], key + 8);</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160; unpack64(k[0], key + 16);</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (len == 16) {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160; rounds = 32;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160; unpack64(k[1], key);</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>&#160; unpack64(k[0], key + 8);</div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>&#160; } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>&#160; }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>&#160;<span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>&#160;}</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>&#160;</div>
<div class="line"><a name="l00156"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a5dd2cf40dc48addb6a393e78a58a07c0"> 156</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSpeckTiny.html#a5dd2cf40dc48addb6a393e78a58a07c0">SpeckTiny::encryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>&#160;{</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>&#160;<span class="preprocessor">#if USE_AVR_INLINE_ASM</span></div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>&#160;<span class="preprocessor"></span> <span class="comment">// Automatically generated by the genspeck tool.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>&#160; uint64_t l[5];</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>&#160; uint8_t r = rounds;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>&#160; uint8_t mb = (r - 31) * 8;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>&#160; __asm__ __volatile__ (</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>&#160; <span class="stringliteral">&quot;movw r8,r30\n&quot;</span></div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>&#160; <span class="stringliteral">&quot;ldd r16,%4\n&quot;</span></div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>&#160; <span class="stringliteral">&quot;ldi r24,8\n&quot;</span></div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>&#160; <span class="stringliteral">&quot;add r16,r24\n&quot;</span></div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>&#160; <span class="stringliteral">&quot;1:\n&quot;</span></div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>&#160; <span class="stringliteral">&quot;ld __tmp_reg__,X+\n&quot;</span></div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>&#160; <span class="stringliteral">&quot;st Z+,__tmp_reg__\n&quot;</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>&#160; <span class="stringliteral">&quot;dec r16\n&quot;</span></div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>&#160; <span class="stringliteral">&quot;brne 1b\n&quot;</span></div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>&#160; <span class="stringliteral">&quot;movw r30,r8\n&quot;</span></div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>&#160; <span class="stringliteral">&quot;movw r26,%A2\n&quot;</span></div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>&#160; <span class="stringliteral">&quot;ld r15,X+\n&quot;</span></div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>&#160; <span class="stringliteral">&quot;ld r14,X+\n&quot;</span></div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>&#160; <span class="stringliteral">&quot;ld r13,X+\n&quot;</span></div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>&#160; <span class="stringliteral">&quot;ld r12,X+\n&quot;</span></div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>&#160; <span class="stringliteral">&quot;ld r11,X+\n&quot;</span></div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>&#160; <span class="stringliteral">&quot;ld r10,X+\n&quot;</span></div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>&#160; <span class="stringliteral">&quot;ld r9,X+\n&quot;</span></div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>&#160; <span class="stringliteral">&quot;ld r8,X+\n&quot;</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>&#160; <span class="stringliteral">&quot;ld r23,X+\n&quot;</span></div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>&#160; <span class="stringliteral">&quot;ld r22,X+\n&quot;</span></div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>&#160; <span class="stringliteral">&quot;ld r21,X+\n&quot;</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>&#160; <span class="stringliteral">&quot;ld r20,X+\n&quot;</span></div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>&#160; <span class="stringliteral">&quot;ld r19,X+\n&quot;</span></div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>&#160; <span class="stringliteral">&quot;ld r18,X+\n&quot;</span></div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>&#160; <span class="stringliteral">&quot;ld r17,X+\n&quot;</span></div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>&#160; <span class="stringliteral">&quot;ld r16,X\n&quot;</span></div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>&#160; <span class="stringliteral">&quot;clr %A2\n&quot;</span></div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>&#160; <span class="stringliteral">&quot;ldd %B2,%4\n&quot;</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>&#160; <span class="stringliteral">&quot;clr r25\n&quot;</span></div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>&#160; <span class="stringliteral">&quot;2:\n&quot;</span></div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>&#160; <span class="stringliteral">&quot;add r9,r16\n&quot;</span></div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>&#160; <span class="stringliteral">&quot;adc r10,r17\n&quot;</span></div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>&#160; <span class="stringliteral">&quot;adc r11,r18\n&quot;</span></div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>&#160; <span class="stringliteral">&quot;adc r12,r19\n&quot;</span></div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>&#160; <span class="stringliteral">&quot;adc r13,r20\n&quot;</span></div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>&#160; <span class="stringliteral">&quot;adc r14,r21\n&quot;</span></div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>&#160; <span class="stringliteral">&quot;adc r15,r22\n&quot;</span></div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>&#160; <span class="stringliteral">&quot;adc r8,r23\n&quot;</span></div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>&#160; <span class="stringliteral">&quot;ld __tmp_reg__,Z+\n&quot;</span></div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>&#160; <span class="stringliteral">&quot;eor __tmp_reg__,r9\n&quot;</span></div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>&#160; <span class="stringliteral">&quot;ld r9,Z+\n&quot;</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>&#160; <span class="stringliteral">&quot;eor r9,r10\n&quot;</span></div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>&#160; <span class="stringliteral">&quot;ld r10,Z+\n&quot;</span></div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>&#160; <span class="stringliteral">&quot;eor r10,r11\n&quot;</span></div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>&#160; <span class="stringliteral">&quot;ld r11,Z+\n&quot;</span></div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>&#160; <span class="stringliteral">&quot;eor r11,r12\n&quot;</span></div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>&#160; <span class="stringliteral">&quot;ld r12,Z+\n&quot;</span></div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>&#160; <span class="stringliteral">&quot;eor r12,r13\n&quot;</span></div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>&#160; <span class="stringliteral">&quot;ld r13,Z+\n&quot;</span></div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>&#160; <span class="stringliteral">&quot;eor r13,r14\n&quot;</span></div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>&#160; <span class="stringliteral">&quot;ld r14,Z+\n&quot;</span></div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>&#160; <span class="stringliteral">&quot;eor r14,r15\n&quot;</span></div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>&#160; <span class="stringliteral">&quot;ld r15,Z+\n&quot;</span></div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>&#160; <span class="stringliteral">&quot;eor r15,r8\n&quot;</span></div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span>&#160; <span class="stringliteral">&quot;mov r8,__tmp_reg__\n&quot;</span></div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>&#160; <span class="stringliteral">&quot;eor r16,r8\n&quot;</span></div>
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>&#160; <span class="stringliteral">&quot;eor r17,r9\n&quot;</span></div>
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>&#160; <span class="stringliteral">&quot;eor r18,r10\n&quot;</span></div>
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>&#160; <span class="stringliteral">&quot;eor r19,r11\n&quot;</span></div>
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>&#160; <span class="stringliteral">&quot;eor r20,r12\n&quot;</span></div>
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>&#160; <span class="stringliteral">&quot;eor r21,r13\n&quot;</span></div>
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>&#160; <span class="stringliteral">&quot;eor r22,r14\n&quot;</span></div>
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span>&#160; <span class="stringliteral">&quot;eor r23,r15\n&quot;</span></div>
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>&#160; <span class="stringliteral">&quot;mov __tmp_reg__,r25\n&quot;</span></div>
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>&#160; <span class="stringliteral">&quot;inc __tmp_reg__\n&quot;</span></div>
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>&#160; <span class="stringliteral">&quot;ldd r24,%5\n&quot;</span></div>
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span>&#160; <span class="stringliteral">&quot;cp __tmp_reg__,r24\n&quot;</span></div>
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span>&#160; <span class="stringliteral">&quot;brne 3f\n&quot;</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span>&#160; <span class="stringliteral">&quot;rjmp 4f\n&quot;</span></div>
<div class="line"><a name="l00261"></a><span class="lineno"> 261</span>&#160; <span class="stringliteral">&quot;3:\n&quot;</span></div>
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span>&#160; <span class="stringliteral">&quot;push r8\n&quot;</span></div>
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span>&#160; <span class="stringliteral">&quot;push r9\n&quot;</span></div>
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span>&#160; <span class="stringliteral">&quot;push r10\n&quot;</span></div>
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>&#160; <span class="stringliteral">&quot;push r11\n&quot;</span></div>
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>&#160; <span class="stringliteral">&quot;push r12\n&quot;</span></div>
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>&#160; <span class="stringliteral">&quot;push r13\n&quot;</span></div>
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>&#160; <span class="stringliteral">&quot;push r14\n&quot;</span></div>
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>&#160; <span class="stringliteral">&quot;push r15\n&quot;</span></div>
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>&#160; <span class="stringliteral">&quot;push r16\n&quot;</span></div>
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>&#160; <span class="stringliteral">&quot;push r17\n&quot;</span></div>
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>&#160; <span class="stringliteral">&quot;push r18\n&quot;</span></div>
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>&#160; <span class="stringliteral">&quot;push r19\n&quot;</span></div>
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>&#160; <span class="stringliteral">&quot;push r20\n&quot;</span></div>
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>&#160; <span class="stringliteral">&quot;push r21\n&quot;</span></div>
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>&#160; <span class="stringliteral">&quot;push r22\n&quot;</span></div>
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>&#160; <span class="stringliteral">&quot;push r23\n&quot;</span></div>
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>&#160; <span class="stringliteral">&quot;sbiw r30,8\n&quot;</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>&#160; <span class="stringliteral">&quot;ld r16,Z\n&quot;</span></div>
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>&#160; <span class="stringliteral">&quot;ldd r17,Z+1\n&quot;</span></div>
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>&#160; <span class="stringliteral">&quot;ldd r18,Z+2\n&quot;</span></div>
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>&#160; <span class="stringliteral">&quot;ldd r19,Z+3\n&quot;</span></div>
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>&#160; <span class="stringliteral">&quot;ldd r20,Z+4\n&quot;</span></div>
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>&#160; <span class="stringliteral">&quot;ldd r21,Z+5\n&quot;</span></div>
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>&#160; <span class="stringliteral">&quot;ldd r22,Z+6\n&quot;</span></div>
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>&#160; <span class="stringliteral">&quot;ldd r23,Z+7\n&quot;</span></div>
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>&#160; <span class="stringliteral">&quot;add r30,%A2\n&quot;</span></div>
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>&#160; <span class="stringliteral">&quot;adc r31,__zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>&#160; <span class="stringliteral">&quot;ldd r15,Z+8\n&quot;</span></div>
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>&#160; <span class="stringliteral">&quot;ldd r8,Z+9\n&quot;</span></div>
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>&#160; <span class="stringliteral">&quot;ldd r9,Z+10\n&quot;</span></div>
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>&#160; <span class="stringliteral">&quot;ldd r10,Z+11\n&quot;</span></div>
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>&#160; <span class="stringliteral">&quot;ldd r11,Z+12\n&quot;</span></div>
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>&#160; <span class="stringliteral">&quot;ldd r12,Z+13\n&quot;</span></div>
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>&#160; <span class="stringliteral">&quot;ldd r13,Z+14\n&quot;</span></div>
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>&#160; <span class="stringliteral">&quot;ldd r14,Z+15\n&quot;</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>&#160; <span class="stringliteral">&quot;add r8,r16\n&quot;</span></div>
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>&#160; <span class="stringliteral">&quot;adc r9,r17\n&quot;</span></div>
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>&#160; <span class="stringliteral">&quot;adc r10,r18\n&quot;</span></div>
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>&#160; <span class="stringliteral">&quot;adc r11,r19\n&quot;</span></div>
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>&#160; <span class="stringliteral">&quot;adc r12,r20\n&quot;</span></div>
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>&#160; <span class="stringliteral">&quot;adc r13,r21\n&quot;</span></div>
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>&#160; <span class="stringliteral">&quot;adc r14,r22\n&quot;</span></div>
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>&#160; <span class="stringliteral">&quot;adc r15,r23\n&quot;</span></div>
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>&#160; <span class="stringliteral">&quot;eor r8,r25\n&quot;</span></div>
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>&#160; <span class="stringliteral">&quot;sub r30,%A2\n&quot;</span></div>
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>&#160; <span class="stringliteral">&quot;sbc r31,__zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>&#160; <span class="stringliteral">&quot;add r30,%B2\n&quot;</span></div>
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>&#160; <span class="stringliteral">&quot;adc r31,__zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>&#160; <span class="stringliteral">&quot;std Z+8,r8\n&quot;</span></div>
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>&#160; <span class="stringliteral">&quot;std Z+9,r9\n&quot;</span></div>
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>&#160; <span class="stringliteral">&quot;std Z+10,r10\n&quot;</span></div>
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>&#160; <span class="stringliteral">&quot;std Z+11,r11\n&quot;</span></div>
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>&#160; <span class="stringliteral">&quot;std Z+12,r12\n&quot;</span></div>
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>&#160; <span class="stringliteral">&quot;std Z+13,r13\n&quot;</span></div>
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>&#160; <span class="stringliteral">&quot;std Z+14,r14\n&quot;</span></div>
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>&#160; <span class="stringliteral">&quot;std Z+15,r15\n&quot;</span></div>
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>&#160; <span class="stringliteral">&quot;sub r30,%B2\n&quot;</span></div>
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>&#160; <span class="stringliteral">&quot;sbc r31,__zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>&#160; <span class="stringliteral">&quot;lsl r16\n&quot;</span></div>
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>&#160; <span class="stringliteral">&quot;rol r17\n&quot;</span></div>
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>&#160; <span class="stringliteral">&quot;rol r18\n&quot;</span></div>
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>&#160; <span class="stringliteral">&quot;rol r19\n&quot;</span></div>
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>&#160; <span class="stringliteral">&quot;rol r20\n&quot;</span></div>
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>&#160; <span class="stringliteral">&quot;rol r21\n&quot;</span></div>
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>&#160; <span class="stringliteral">&quot;rol r22\n&quot;</span></div>
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>&#160; <span class="stringliteral">&quot;rol r23\n&quot;</span></div>
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>&#160; <span class="stringliteral">&quot;adc r16, __zero_reg__\n&quot;</span></div>
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>&#160; <span class="stringliteral">&quot;eor r16,r8\n&quot;</span></div>
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>&#160; <span class="stringliteral">&quot;eor r17,r9\n&quot;</span></div>
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>&#160; <span class="stringliteral">&quot;eor r18,r10\n&quot;</span></div>
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>&#160; <span class="stringliteral">&quot;eor r19,r11\n&quot;</span></div>
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>&#160; <span class="stringliteral">&quot;eor r20,r12\n&quot;</span></div>
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>&#160; <span class="stringliteral">&quot;eor r21,r13\n&quot;</span></div>
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>&#160; <span class="stringliteral">&quot;eor r22,r14\n&quot;</span></div>
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>&#160; <span class="stringliteral">&quot;eor r23,r15\n&quot;</span></div>
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>&#160; <span class="stringliteral">&quot;st Z,r16\n&quot;</span></div>
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>&#160; <span class="stringliteral">&quot;std Z+1,r17\n&quot;</span></div>
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>&#160; <span class="stringliteral">&quot;std Z+2,r18\n&quot;</span></div>
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>&#160; <span class="stringliteral">&quot;std Z+3,r19\n&quot;</span></div>
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>&#160; <span class="stringliteral">&quot;std Z+4,r20\n&quot;</span></div>
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>&#160; <span class="stringliteral">&quot;std Z+5,r21\n&quot;</span></div>
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>&#160; <span class="stringliteral">&quot;std Z+6,r22\n&quot;</span></div>
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>&#160; <span class="stringliteral">&quot;std Z+7,r23\n&quot;</span></div>
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>&#160; <span class="stringliteral">&quot;ldi r24,8\n&quot;</span></div>
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>&#160; <span class="stringliteral">&quot;add %A2,r24\n&quot;</span></div>
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>&#160; <span class="stringliteral">&quot;add %B2,r24\n&quot;</span></div>
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>&#160; <span class="stringliteral">&quot;ldi r24,0x1F\n&quot;</span></div>
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>&#160; <span class="stringliteral">&quot;and %A2,r24\n&quot;</span></div>
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>&#160; <span class="stringliteral">&quot;and %B2,r24\n&quot;</span></div>
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>&#160; <span class="stringliteral">&quot;pop r23\n&quot;</span></div>
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>&#160; <span class="stringliteral">&quot;pop r22\n&quot;</span></div>
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>&#160; <span class="stringliteral">&quot;pop r21\n&quot;</span></div>
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>&#160; <span class="stringliteral">&quot;pop r20\n&quot;</span></div>
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>&#160; <span class="stringliteral">&quot;pop r19\n&quot;</span></div>
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>&#160; <span class="stringliteral">&quot;pop r18\n&quot;</span></div>
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>&#160; <span class="stringliteral">&quot;pop r17\n&quot;</span></div>
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>&#160; <span class="stringliteral">&quot;pop r16\n&quot;</span></div>
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>&#160; <span class="stringliteral">&quot;pop r15\n&quot;</span></div>
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>&#160; <span class="stringliteral">&quot;pop r14\n&quot;</span></div>
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>&#160; <span class="stringliteral">&quot;pop r13\n&quot;</span></div>
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>&#160; <span class="stringliteral">&quot;pop r12\n&quot;</span></div>
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>&#160; <span class="stringliteral">&quot;pop r11\n&quot;</span></div>
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>&#160; <span class="stringliteral">&quot;pop r10\n&quot;</span></div>
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>&#160; <span class="stringliteral">&quot;pop r9\n&quot;</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>&#160; <span class="stringliteral">&quot;pop r8\n&quot;</span></div>
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>&#160; <span class="stringliteral">&quot;inc r25\n&quot;</span></div>
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>&#160; <span class="stringliteral">&quot;rjmp 2b\n&quot;</span></div>
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>&#160; <span class="stringliteral">&quot;4:\n&quot;</span></div>
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>&#160; <span class="stringliteral">&quot;ldd r26,%A3\n&quot;</span></div>
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>&#160; <span class="stringliteral">&quot;ldd r27,%B3\n&quot;</span></div>
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>&#160; <span class="stringliteral">&quot;st X+,r15\n&quot;</span></div>
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>&#160; <span class="stringliteral">&quot;st X+,r14\n&quot;</span></div>
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>&#160; <span class="stringliteral">&quot;st X+,r13\n&quot;</span></div>
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>&#160; <span class="stringliteral">&quot;st X+,r12\n&quot;</span></div>
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>&#160; <span class="stringliteral">&quot;st X+,r11\n&quot;</span></div>
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>&#160; <span class="stringliteral">&quot;st X+,r10\n&quot;</span></div>
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>&#160; <span class="stringliteral">&quot;st X+,r9\n&quot;</span></div>
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>&#160; <span class="stringliteral">&quot;st X+,r8\n&quot;</span></div>
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>&#160; <span class="stringliteral">&quot;st X+,r23\n&quot;</span></div>
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>&#160; <span class="stringliteral">&quot;st X+,r22\n&quot;</span></div>
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>&#160; <span class="stringliteral">&quot;st X+,r21\n&quot;</span></div>
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>&#160; <span class="stringliteral">&quot;st X+,r20\n&quot;</span></div>
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>&#160; <span class="stringliteral">&quot;st X+,r19\n&quot;</span></div>
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>&#160; <span class="stringliteral">&quot;st X+,r18\n&quot;</span></div>
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>&#160; <span class="stringliteral">&quot;st X+,r17\n&quot;</span></div>
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>&#160; <span class="stringliteral">&quot;st X,r16\n&quot;</span></div>
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>&#160; : : <span class="stringliteral">&quot;x&quot;</span>(k), <span class="stringliteral">&quot;z&quot;</span>(l), <span class="stringliteral">&quot;r&quot;</span>(input), <span class="stringliteral">&quot;Q&quot;</span>(output), <span class="stringliteral">&quot;Q&quot;</span>(mb), <span class="stringliteral">&quot;Q&quot;</span>(r)</div>
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>&#160; : <span class="stringliteral">&quot;r8&quot;</span>, <span class="stringliteral">&quot;r9&quot;</span>, <span class="stringliteral">&quot;r10&quot;</span>, <span class="stringliteral">&quot;r11&quot;</span>, <span class="stringliteral">&quot;r12&quot;</span>, <span class="stringliteral">&quot;r13&quot;</span>, <span class="stringliteral">&quot;r14&quot;</span>, <span class="stringliteral">&quot;r15&quot;</span>,</div>
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>&#160; <span class="stringliteral">&quot;r16&quot;</span>, <span class="stringliteral">&quot;r17&quot;</span>, <span class="stringliteral">&quot;r18&quot;</span>, <span class="stringliteral">&quot;r19&quot;</span>, <span class="stringliteral">&quot;r20&quot;</span>, <span class="stringliteral">&quot;r21&quot;</span>, <span class="stringliteral">&quot;r22&quot;</span>, <span class="stringliteral">&quot;r23&quot;</span>, <span class="stringliteral">&quot;memory&quot;</span></div>
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>&#160; , <span class="stringliteral">&quot;r24&quot;</span>, <span class="stringliteral">&quot;r25&quot;</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>&#160; );</div>
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>&#160;<span class="preprocessor">#else</span></div>
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>&#160;<span class="preprocessor"></span> uint64_t l[4];</div>
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>&#160; uint64_t x, y, s;</div>
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>&#160; uint8_t round;</div>
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>&#160; uint8_t li_in = 0;</div>
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>&#160; uint8_t li_out = rounds - 31;</div>
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>&#160; uint8_t i = 0;</div>
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>&#160;</div>
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>&#160; <span class="comment">// Copy the input block into the work registers.</span></div>
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>&#160; unpack64(x, input);</div>
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>&#160; unpack64(y, input + 8);</div>
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>&#160;</div>
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>&#160; <span class="comment">// Prepare the key schedule.</span></div>
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>&#160; memcpy(l, k + 1, li_out * <span class="keyword">sizeof</span>(uint64_t));</div>
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>&#160; s = k[0];</div>
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>&#160;</div>
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>&#160; <span class="comment">// Perform all encryption rounds except the last.</span></div>
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>&#160; <span class="keywordflow">for</span> (round = rounds - 1; round &gt; 0; --round, ++i) {</div>
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>&#160; <span class="comment">// Perform the round with the current key schedule word.</span></div>
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>&#160; x = (rightRotate8_64(x) + y) ^ s;</div>
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>&#160; y = leftRotate3_64(y) ^ x;</div>
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>&#160;</div>
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>&#160; <span class="comment">// Calculate the next key schedule word.</span></div>
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>&#160; l[li_out] = (s + rightRotate8_64(l[li_in])) ^ i;</div>
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>&#160; s = leftRotate3_64(s) ^ l[li_out];</div>
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>&#160; li_in = (li_in + 1) &amp; 0x03;</div>
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>&#160; li_out = (li_out + 1) &amp; 0x03;</div>
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>&#160; }</div>
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>&#160;</div>
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>&#160; <span class="comment">// Perform the final round and copy to the output.</span></div>
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>&#160; x = (rightRotate8_64(x) + y) ^ s;</div>
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>&#160; y = leftRotate3_64(y) ^ x;</div>
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>&#160; pack64(output, x);</div>
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>&#160; pack64(output + 8, y);</div>
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>&#160;<span class="preprocessor"></span>}</div>
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>&#160;</div>
<div class="line"><a name="l00448"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a19e54aef7d1b3ef92e8140dd9c308c3c"> 448</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSpeckTiny.html#a19e54aef7d1b3ef92e8140dd9c308c3c">SpeckTiny::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>&#160;{</div>
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>&#160; <span class="comment">// Decryption is not supported by SpeckTiny. Use SpeckSmall instead.</span></div>
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>&#160;}</div>
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>&#160;</div>
<div class="line"><a name="l00453"></a><span class="lineno"><a class="line" href="classSpeckTiny.html#a303ecc2639459e47c6eeb21991d52ccf"> 453</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="classSpeckTiny.html#a303ecc2639459e47c6eeb21991d52ccf">SpeckTiny::clear</a>()</div>
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>&#160;{</div>
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>&#160; clean(k);</div>
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>&#160;}</div>
<div class="ttc" id="classSpeckTiny_html_a2ac351443979ea9da3521e79313cc580"><div class="ttname"><a href="classSpeckTiny.html#a2ac351443979ea9da3521e79313cc580">SpeckTiny::SpeckTiny</a></div><div class="ttdeci">SpeckTiny()</div><div class="ttdoc">Constructs a tiny-memory Speck block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00076">SpeckTiny.cpp:76</a></div></div>
<div class="ttc" id="classSpeckTiny_html_af8bbd1d1124fd1c4ef1aa167625376a9"><div class="ttname"><a href="classSpeckTiny.html#af8bbd1d1124fd1c4ef1aa167625376a9">SpeckTiny::blockSize</a></div><div class="ttdeci">size_t blockSize() const </div><div class="ttdoc">Size of a single block processed by this cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00086">SpeckTiny.cpp:86</a></div></div>
<div class="ttc" id="classSpeckTiny_html_a05180c773b9d26d3b67ff569dc86fc2d"><div class="ttname"><a href="classSpeckTiny.html#a05180c773b9d26d3b67ff569dc86fc2d">SpeckTiny::setKey</a></div><div class="ttdeci">bool setKey(const uint8_t *key, size_t len)</div><div class="ttdoc">Sets the key to use for future encryption and decryption operations. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00109">SpeckTiny.cpp:109</a></div></div>
<div class="ttc" id="classSpeckTiny_html_a5dd2cf40dc48addb6a393e78a58a07c0"><div class="ttname"><a href="classSpeckTiny.html#a5dd2cf40dc48addb6a393e78a58a07c0">SpeckTiny::encryptBlock</a></div><div class="ttdeci">void encryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Encrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00156">SpeckTiny.cpp:156</a></div></div>
<div class="ttc" id="classSpeckTiny_html_a5587909ba48776b01bbd40b339b1262e"><div class="ttname"><a href="classSpeckTiny.html#a5587909ba48776b01bbd40b339b1262e">SpeckTiny::keySize</a></div><div class="ttdeci">size_t keySize() const </div><div class="ttdoc">Default size of the key for this block cipher, in bytes. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00091">SpeckTiny.cpp:91</a></div></div>
<div class="ttc" id="classSpeckTiny_html_a19e54aef7d1b3ef92e8140dd9c308c3c"><div class="ttname"><a href="classSpeckTiny.html#a19e54aef7d1b3ef92e8140dd9c308c3c">SpeckTiny::decryptBlock</a></div><div class="ttdeci">void decryptBlock(uint8_t *output, const uint8_t *input)</div><div class="ttdoc">Decrypts a single block using this cipher. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00448">SpeckTiny.cpp:448</a></div></div>
<div class="ttc" id="classSpeckTiny_html_a303ecc2639459e47c6eeb21991d52ccf"><div class="ttname"><a href="classSpeckTiny.html#a303ecc2639459e47c6eeb21991d52ccf">SpeckTiny::clear</a></div><div class="ttdeci">void clear()</div><div class="ttdoc">Clears all security-sensitive state from this block cipher. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckTiny_8cpp_source.html#l00453">SpeckTiny.cpp:453</a></div></div>
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