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<div class="title">SpeckSmall.cpp</div> </div>
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<div class="contents">
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
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<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (C) 2016 Southern Storm Software, Pty Ltd.</span></div>
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<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Permission is hereby granted, free of charge, to any person obtaining a</span></div>
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<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> * copy of this software and associated documentation files (the "Software"),</span></div>
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<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * to deal in the Software without restriction, including without limitation</span></div>
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<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * the rights to use, copy, modify, merge, publish, distribute, sublicense,</span></div>
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<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * and/or sell copies of the Software, and to permit persons to whom the</span></div>
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<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * Software is furnished to do so, subject to the following conditions:</span></div>
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<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * The above copyright notice and this permission notice shall be included</span></div>
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<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * in all copies or substantial portions of the Software.</span></div>
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<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> *</span></div>
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<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS</span></div>
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<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,</span></div>
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<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE</span></div>
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<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER</span></div>
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<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING</span></div>
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<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER</span></div>
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<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * DEALINGS IN THE SOFTWARE.</span></div>
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<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
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<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
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<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "SpeckSmall.h"</span></div>
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<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "Crypto.h"</span></div>
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<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "utility/RotateUtil.h"</span></div>
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<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor">#include "utility/EndianUtil.h"</span></div>
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<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <string.h></span></div>
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<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div>
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<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <span class="comment">// The "avr-gcc" compiler doesn't do a very good job of compiling</span></div>
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<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="comment">// code involving 64-bit values. So we have to use inline assembly.</span></div>
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<div class="line"><a name="l00059"></a><span class="lineno"> 59</span> <span class="comment">// It also helps to break the state up into 32-bit quantities</span></div>
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<div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="comment">// because "asm" supports register names like %A0, %B0, %C0, %D0</span></div>
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<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="comment">// for the bytes in a 32-bit quantity, but it does not support</span></div>
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<div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="comment">// %E0, %F0, %G0, %H0 for the high bytes of a 64-bit quantity.</span></div>
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<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#if defined(__AVR__)</span></div>
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<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> <span class="preprocessor"></span><span class="preprocessor">#define USE_AVR_INLINE_ASM 1</span></div>
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<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="preprocessor"></span><span class="preprocessor">#endif</span></div>
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<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00067"></a><span class="lineno"> 67</span> <span class="comment">// Pack/unpack byte-aligned big-endian 64-bit quantities.</span></div>
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<div class="line"><a name="l00068"></a><span class="lineno"> 68</span> <span class="preprocessor">#define pack64(data, value) \</span></div>
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<div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> <span class="preprocessor"> uint64_t v = htobe64((value)); \</span></div>
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<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor"> memcpy((data), &v, sizeof(uint64_t)); \</span></div>
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<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> <span class="preprocessor"> } while (0)</span></div>
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<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> <span class="preprocessor"></span><span class="preprocessor">#define unpack64(value, data) \</span></div>
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<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor"> do { \</span></div>
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<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="preprocessor"> memcpy(&(value), (data), sizeof(uint64_t)); \</span></div>
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<div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor"> (value) = be64toh((value)); \</span></div>
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<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> <span class="preprocessor"> } while (0)</span></div>
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<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> <span class="preprocessor"></span></div>
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<div class="line"><a name="l00085"></a><span class="lineno"><a class="line" href="classSpeckSmall.html#a0efa12c897f718a5a49cbd6f2fc6aca3"> 85</a></span> <a class="code" href="classSpeckSmall.html#a0efa12c897f718a5a49cbd6f2fc6aca3">SpeckSmall::SpeckSmall</a>()</div>
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<div class="line"><a name="l00086"></a><span class="lineno"> 86</span> {</div>
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<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> }</div>
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<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
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<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> SpeckSmall::~SpeckSmall()</div>
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<div class="line"><a name="l00090"></a><span class="lineno"> 90</span> {</div>
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<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  clean(l);</div>
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<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> }</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"><a class="line" href="classSpeckSmall.html#a3345df135f6530bad475d630ef6c1038"> 94</a></span> <span class="keywordtype">bool</span> <a class="code" href="classSpeckSmall.html#a3345df135f6530bad475d630ef6c1038">SpeckSmall::setKey</a>(<span class="keyword">const</span> uint8_t *key, <span class="keywordtype">size_t</span> len)</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="l00096"></a><span class="lineno"> 96</span>  <span class="comment">// Try setting the key for the forward encryption direction.</span></div>
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<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordflow">if</span> (!<a class="code" href="classSpeckTiny.html#a05180c773b9d26d3b67ff569dc86fc2d">SpeckTiny::setKey</a>(key, len))</div>
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<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
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<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
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<div class="line"><a name="l00100"></a><span class="lineno"> 100</span> <span class="preprocessor">#if USE_AVR_INLINE_ASM</span></div>
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<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> <span class="preprocessor"></span> <span class="comment">// Expand the key schedule to get the l and s values at the end</span></div>
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<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  <span class="comment">// of the schedule, which will allow us to reverse it later.</span></div>
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<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  uint8_t mb = (rounds - 31) * 8;</div>
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<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  __asm__ __volatile__ (</div>
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<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="stringliteral">"ld r16,Z+\n"</span> <span class="comment">// s = k[0]</span></div>
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<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="stringliteral">"ld r17,Z+\n"</span> </div>
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<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="stringliteral">"ld r18,Z+\n"</span> </div>
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<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="stringliteral">"ld r19,Z+\n"</span> </div>
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<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="stringliteral">"ld r20,Z+\n"</span> </div>
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<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="stringliteral">"ld r21,Z+\n"</span> </div>
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<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="stringliteral">"ld r22,Z+\n"</span> </div>
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<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="stringliteral">"ld r23,Z+\n"</span> </div>
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<div class="line"><a name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="stringliteral">"mov r24,%3\n"</span> <span class="comment">// memcpy(l, k + 1, mb)</span></div>
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<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  <span class="stringliteral">"3:\n"</span></div>
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<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  <span class="stringliteral">"ld __tmp_reg__,Z+\n"</span></div>
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<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
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<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="stringliteral">"dec r24\n"</span></div>
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<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="stringliteral">"brne 3b\n"</span></div>
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<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="stringliteral">"sub %A1,%3\n"</span> <span class="comment">// return X to its initial value</span></div>
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<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="stringliteral">"sbc %B1,__zero_reg__\n"</span></div>
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<div class="line"><a name="l00122"></a><span class="lineno"> 122</span> </div>
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<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="stringliteral">"1:\n"</span></div>
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<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
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<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="comment">// l[li_out] = (s + rightRotate8_64(l[li_in])) ^ i;</span></div>
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<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  <span class="stringliteral">"add %A1,%2\n"</span> <span class="comment">// X = &(l[li_in])</span></div>
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<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="stringliteral">"adc %B1,__zero_reg__\n"</span></div>
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<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="stringliteral">"ld r15,X+\n"</span> <span class="comment">// x = rightRotate8_64(l[li_in])</span></div>
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<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  <span class="stringliteral">"ld r8,X+\n"</span></div>
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<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="stringliteral">"ld r9,X+\n"</span></div>
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<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="stringliteral">"ld r10,X+\n"</span></div>
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<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="stringliteral">"ld r11,X+\n"</span></div>
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<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="stringliteral">"ld r12,X+\n"</span></div>
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<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="stringliteral">"ld r13,X+\n"</span></div>
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<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="stringliteral">"ld r14,X+\n"</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>  <span class="stringliteral">"add r8,r16\n"</span> <span class="comment">// x += s</span></div>
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<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  <span class="stringliteral">"adc r9,r17\n"</span></div>
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<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="stringliteral">"adc r10,r18\n"</span></div>
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<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="stringliteral">"adc r11,r19\n"</span></div>
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<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="stringliteral">"adc r12,r20\n"</span></div>
|
|
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  <span class="stringliteral">"adc r13,r21\n"</span></div>
|
|
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="stringliteral">"adc r14,r22\n"</span></div>
|
|
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="stringliteral">"adc r15,r23\n"</span></div>
|
|
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> </div>
|
|
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="stringliteral">"eor r8,%4\n"</span> <span class="comment">// x ^= i</span></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">// X = X - li_in + li_out</span></div>
|
|
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="stringliteral">"ldi r24,8\n"</span> <span class="comment">// li_in = li_in + 1</span></div>
|
|
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="stringliteral">"add %2,r24\n"</span></div>
|
|
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="stringliteral">"sub %A1,%2\n"</span> <span class="comment">// return X to its initial value</span></div>
|
|
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  <span class="stringliteral">"sbc %B1,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="stringliteral">"ldi r25,0x1f\n"</span></div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="stringliteral">"and %2,r25\n"</span> <span class="comment">// li_in = li_in % 4</span></div>
|
|
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="stringliteral">"add %A1,%3\n"</span> <span class="comment">// X = &(l[li_out])</span></div>
|
|
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="stringliteral">"adc %B1,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="stringliteral">"st X+,r8\n"</span> <span class="comment">// l[li_out] = x</span></div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="stringliteral">"st X+,r9\n"</span></div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="stringliteral">"st X+,r10\n"</span></div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="stringliteral">"st X+,r11\n"</span></div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="stringliteral">"st X+,r12\n"</span></div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="stringliteral">"st X+,r13\n"</span></div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="stringliteral">"st X+,r14\n"</span></div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <span class="stringliteral">"st X+,r15\n"</span></div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="stringliteral">"add %3,r24\n"</span> <span class="comment">// li_out = li_out + 1</span></div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"sub %A1,%3\n"</span> <span class="comment">// return X to its initial value</span></div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="stringliteral">"sbc %B1,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="stringliteral">"and %3,r25\n"</span> <span class="comment">// li_out = li_out % 4</span></div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="comment">// s = leftRotate3_64(s) ^ l[li_out];</span></div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  <span class="stringliteral">"lsl r16\n"</span> <span class="comment">// s = leftRotate1_64(s)</span></div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="stringliteral">"rol r17\n"</span></div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="stringliteral">"rol r18\n"</span></div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="stringliteral">"rol r19\n"</span></div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="stringliteral">"rol r20\n"</span></div>
|
|
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="stringliteral">"rol r21\n"</span></div>
|
|
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  <span class="stringliteral">"rol r22\n"</span></div>
|
|
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  <span class="stringliteral">"rol r23\n"</span></div>
|
|
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="stringliteral">"adc r16,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span> </div>
|
|
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  <span class="stringliteral">"lsl r16\n"</span> <span class="comment">// s = leftRotate1_64(s)</span></div>
|
|
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  <span class="stringliteral">"rol r17\n"</span></div>
|
|
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="stringliteral">"rol r18\n"</span></div>
|
|
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="stringliteral">"rol r19\n"</span></div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="stringliteral">"rol r20\n"</span></div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="stringliteral">"rol r21\n"</span></div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="stringliteral">"rol r22\n"</span></div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="stringliteral">"rol r23\n"</span></div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="stringliteral">"adc r16,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span> </div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <span class="stringliteral">"lsl r16\n"</span> <span class="comment">// s = leftRotate1_64(s)</span></div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="stringliteral">"rol r17\n"</span></div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="stringliteral">"rol r18\n"</span></div>
|
|
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="stringliteral">"rol r19\n"</span></div>
|
|
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="stringliteral">"rol r20\n"</span></div>
|
|
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  <span class="stringliteral">"rol r21\n"</span></div>
|
|
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="stringliteral">"rol r22\n"</span></div>
|
|
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="stringliteral">"rol r23\n"</span></div>
|
|
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="stringliteral">"adc r16,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div>
|
|
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <span class="stringliteral">"eor r16,r8\n"</span> <span class="comment">// s ^= x</span></div>
|
|
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="stringliteral">"eor r17,r9\n"</span></div>
|
|
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="stringliteral">"eor r18,r10\n"</span></div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="stringliteral">"eor r19,r11\n"</span></div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="stringliteral">"eor r20,r12\n"</span></div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="stringliteral">"eor r21,r13\n"</span></div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="stringliteral">"eor r22,r14\n"</span></div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  <span class="stringliteral">"eor r23,r15\n"</span></div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span> </div>
|
|
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="comment">// Loop</span></div>
|
|
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="stringliteral">"inc %4\n"</span> <span class="comment">// ++i</span></div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="stringliteral">"dec %5\n"</span> <span class="comment">// --rounds</span></div>
|
|
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="stringliteral">"breq 2f\n"</span></div>
|
|
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="stringliteral">"rjmp 1b\n"</span></div>
|
|
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  <span class="stringliteral">"2:\n"</span></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="stringliteral">"add %A1,%3\n"</span> <span class="comment">// X = &(l[li_out])</span></div>
|
|
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  <span class="stringliteral">"adc %B1,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  <span class="stringliteral">"st X+,r16\n"</span> <span class="comment">// l[li_out] = s</span></div>
|
|
<div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  <span class="stringliteral">"st X+,r17\n"</span></div>
|
|
<div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  <span class="stringliteral">"st X+,r18\n"</span></div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="stringliteral">"st X+,r19\n"</span></div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="stringliteral">"st X+,r20\n"</span></div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="stringliteral">"st X+,r21\n"</span></div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="stringliteral">"st X+,r22\n"</span></div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="stringliteral">"st X+,r23\n"</span></div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span> </div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  : : <span class="stringliteral">"z"</span>(k), <span class="stringliteral">"x"</span>(l),</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="stringliteral">"r"</span>((uint8_t)0), <span class="comment">// initial value of li_in</span></div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="stringliteral">"r"</span>((uint8_t)mb), <span class="comment">// initial value of li_out</span></div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="stringliteral">"r"</span>(0), <span class="comment">// initial value of i</span></div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="stringliteral">"r"</span>(rounds - 1)</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  : <span class="stringliteral">"r8"</span>, <span class="stringliteral">"r9"</span>, <span class="stringliteral">"r10"</span>, <span class="stringliteral">"r11"</span>, <span class="stringliteral">"r12"</span>, <span class="stringliteral">"r13"</span>, <span class="stringliteral">"r14"</span>, <span class="stringliteral">"r15"</span>,</div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="stringliteral">"r16"</span>, <span class="stringliteral">"r17"</span>, <span class="stringliteral">"r18"</span>, <span class="stringliteral">"r19"</span>, <span class="stringliteral">"r20"</span>, <span class="stringliteral">"r21"</span>, <span class="stringliteral">"r22"</span>, <span class="stringliteral">"r23"</span>,</div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  <span class="stringliteral">"r24"</span>, <span class="stringliteral">"r25"</span></div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  );</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="preprocessor"></span> <span class="comment">// Expand the key schedule to get the l and s values at the end</span></div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="comment">// of the schedule, which will allow us to reverse it later.</span></div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  uint8_t m = rounds - 30;</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  uint8_t li_in = 0;</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  uint8_t li_out = m - 1;</div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  uint64_t s = k[0];</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  memcpy(l, k + 1, (m - 1) * <span class="keyword">sizeof</span>(uint64_t));</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="keywordflow">for</span> (uint8_t i = 0; i < (rounds - 1); ++i) {</div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  l[li_out] = (s + rightRotate8_64(l[li_in])) ^ i;</div>
|
|
<div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  s = leftRotate3_64(s) ^ l[li_out];</div>
|
|
<div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  li_in = (li_in + 1) & 0x03;</div>
|
|
<div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  li_out = (li_out + 1) & 0x03;</div>
|
|
<div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  }</div>
|
|
<div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div>
|
|
<div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="comment">// Save the final s value in the l array so that we can recover it later.</span></div>
|
|
<div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  l[li_out] = s;</div>
|
|
<div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
|
|
<div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="preprocessor"></span>}</div>
|
|
<div class="line"><a name="l00260"></a><span class="lineno"> 260</span> </div>
|
|
<div class="line"><a name="l00261"></a><span class="lineno"><a class="line" href="classSpeckSmall.html#acced022717603980ecca21b3f953bf51"> 261</a></span> <span class="keywordtype">void</span> <a class="code" href="classSpeckSmall.html#acced022717603980ecca21b3f953bf51">SpeckSmall::decryptBlock</a>(uint8_t *output, <span class="keyword">const</span> uint8_t *input)</div>
|
|
<div class="line"><a name="l00262"></a><span class="lineno"> 262</span> {</div>
|
|
<div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="preprocessor">#if USE_AVR_INLINE_ASM</span></div>
|
|
<div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="preprocessor"></span> <span class="comment">// Automatically generated by the genspeck tool.</span></div>
|
|
<div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  uint64_t l[5];</div>
|
|
<div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  uint8_t r = rounds;</div>
|
|
<div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  uint8_t li_in = ((r + 3) & 0x03) * 8;</div>
|
|
<div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  uint8_t li_out = ((((r - 31) & 0x03) * 8) + li_in) & 0x1F;</div>
|
|
<div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  __asm__ __volatile__ (</div>
|
|
<div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="stringliteral">"ldd r25,%4\n"</span></div>
|
|
<div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="stringliteral">"ldi r24,32\n"</span></div>
|
|
<div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="stringliteral">"1:\n"</span></div>
|
|
<div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <span class="stringliteral">"ld __tmp_reg__,X+\n"</span></div>
|
|
<div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="stringliteral">"st Z+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  <span class="stringliteral">"dec r24\n"</span></div>
|
|
<div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="stringliteral">"brne 1b\n"</span></div>
|
|
<div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="stringliteral">"movw r26,r30\n"</span></div>
|
|
<div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  <span class="stringliteral">"sbiw r30,32\n"</span></div>
|
|
<div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  <span class="stringliteral">"add r30,r25\n"</span></div>
|
|
<div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  <span class="stringliteral">"adc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  <span class="stringliteral">"ld __tmp_reg__,Z\n"</span></div>
|
|
<div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+1\n"</span></div>
|
|
<div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+2\n"</span></div>
|
|
<div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+3\n"</span></div>
|
|
<div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+4\n"</span></div>
|
|
<div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+5\n"</span></div>
|
|
<div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+6\n"</span></div>
|
|
<div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  <span class="stringliteral">"ldd __tmp_reg__,Z+7\n"</span></div>
|
|
<div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  <span class="stringliteral">"st X+,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00297"></a><span class="lineno"> 297</span>  <span class="stringliteral">"sub r30,r25\n"</span></div>
|
|
<div class="line"><a name="l00298"></a><span class="lineno"> 298</span>  <span class="stringliteral">"sbc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00299"></a><span class="lineno"> 299</span>  <span class="stringliteral">"movw r26,%A2\n"</span></div>
|
|
<div class="line"><a name="l00300"></a><span class="lineno"> 300</span>  <span class="stringliteral">"ld r15,X+\n"</span></div>
|
|
<div class="line"><a name="l00301"></a><span class="lineno"> 301</span>  <span class="stringliteral">"ld r14,X+\n"</span></div>
|
|
<div class="line"><a name="l00302"></a><span class="lineno"> 302</span>  <span class="stringliteral">"ld r13,X+\n"</span></div>
|
|
<div class="line"><a name="l00303"></a><span class="lineno"> 303</span>  <span class="stringliteral">"ld r12,X+\n"</span></div>
|
|
<div class="line"><a name="l00304"></a><span class="lineno"> 304</span>  <span class="stringliteral">"ld r11,X+\n"</span></div>
|
|
<div class="line"><a name="l00305"></a><span class="lineno"> 305</span>  <span class="stringliteral">"ld r10,X+\n"</span></div>
|
|
<div class="line"><a name="l00306"></a><span class="lineno"> 306</span>  <span class="stringliteral">"ld r9,X+\n"</span></div>
|
|
<div class="line"><a name="l00307"></a><span class="lineno"> 307</span>  <span class="stringliteral">"ld r8,X+\n"</span></div>
|
|
<div class="line"><a name="l00308"></a><span class="lineno"> 308</span>  <span class="stringliteral">"ld r23,X+\n"</span></div>
|
|
<div class="line"><a name="l00309"></a><span class="lineno"> 309</span>  <span class="stringliteral">"ld r22,X+\n"</span></div>
|
|
<div class="line"><a name="l00310"></a><span class="lineno"> 310</span>  <span class="stringliteral">"ld r21,X+\n"</span></div>
|
|
<div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="stringliteral">"ld r20,X+\n"</span></div>
|
|
<div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="stringliteral">"ld r19,X+\n"</span></div>
|
|
<div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  <span class="stringliteral">"ld r18,X+\n"</span></div>
|
|
<div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  <span class="stringliteral">"ld r17,X+\n"</span></div>
|
|
<div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  <span class="stringliteral">"ld r16,X\n"</span></div>
|
|
<div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="stringliteral">"ldd %A2,%6\n"</span></div>
|
|
<div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  <span class="stringliteral">"mov %B2,r25\n"</span></div>
|
|
<div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="stringliteral">"ldd r25,%5\n"</span></div>
|
|
<div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  <span class="stringliteral">"dec r25\n"</span></div>
|
|
<div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="stringliteral">"movw r26,r30\n"</span></div>
|
|
<div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  <span class="stringliteral">"adiw r26,40\n"</span></div>
|
|
<div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  <span class="stringliteral">"2:\n"</span></div>
|
|
<div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="stringliteral">"eor r16,r8\n"</span></div>
|
|
<div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  <span class="stringliteral">"eor r17,r9\n"</span></div>
|
|
<div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="stringliteral">"eor r18,r10\n"</span></div>
|
|
<div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  <span class="stringliteral">"eor r19,r11\n"</span></div>
|
|
<div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  <span class="stringliteral">"eor r20,r12\n"</span></div>
|
|
<div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="stringliteral">"eor r21,r13\n"</span></div>
|
|
<div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  <span class="stringliteral">"eor r22,r14\n"</span></div>
|
|
<div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="stringliteral">"eor r23,r15\n"</span></div>
|
|
<div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00355"></a><span class="lineno"> 355</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="stringliteral">"ld __tmp_reg__,-X\n"</span></div>
|
|
<div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  <span class="stringliteral">"eor __tmp_reg__,r15\n"</span></div>
|
|
<div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="stringliteral">"ld r15,-X\n"</span></div>
|
|
<div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="stringliteral">"eor r15,r14\n"</span></div>
|
|
<div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  <span class="stringliteral">"ld r14,-X\n"</span></div>
|
|
<div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="stringliteral">"eor r14,r13\n"</span></div>
|
|
<div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  <span class="stringliteral">"ld r13,-X\n"</span></div>
|
|
<div class="line"><a name="l00368"></a><span class="lineno"> 368</span>  <span class="stringliteral">"eor r13,r12\n"</span></div>
|
|
<div class="line"><a name="l00369"></a><span class="lineno"> 369</span>  <span class="stringliteral">"ld r12,-X\n"</span></div>
|
|
<div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="stringliteral">"eor r12,r11\n"</span></div>
|
|
<div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="stringliteral">"ld r11,-X\n"</span></div>
|
|
<div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="stringliteral">"eor r11,r10\n"</span></div>
|
|
<div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  <span class="stringliteral">"ld r10,-X\n"</span></div>
|
|
<div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  <span class="stringliteral">"eor r10,r9\n"</span></div>
|
|
<div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="stringliteral">"ld r9,-X\n"</span></div>
|
|
<div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  <span class="stringliteral">"eor r9,r8\n"</span></div>
|
|
<div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  <span class="stringliteral">"mov r8,__tmp_reg__\n"</span></div>
|
|
<div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  <span class="stringliteral">"sub r9,r16\n"</span></div>
|
|
<div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  <span class="stringliteral">"sbc r10,r17\n"</span></div>
|
|
<div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  <span class="stringliteral">"sbc r11,r18\n"</span></div>
|
|
<div class="line"><a name="l00381"></a><span class="lineno"> 381</span>  <span class="stringliteral">"sbc r12,r19\n"</span></div>
|
|
<div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="stringliteral">"sbc r13,r20\n"</span></div>
|
|
<div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="stringliteral">"sbc r14,r21\n"</span></div>
|
|
<div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="stringliteral">"sbc r15,r22\n"</span></div>
|
|
<div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  <span class="stringliteral">"sbc r8,r23\n"</span></div>
|
|
<div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  <span class="stringliteral">"or r25,r25\n"</span></div>
|
|
<div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  <span class="stringliteral">"brne 3f\n"</span></div>
|
|
<div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  <span class="stringliteral">"rjmp 4f\n"</span></div>
|
|
<div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  <span class="stringliteral">"3:\n"</span></div>
|
|
<div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="stringliteral">"dec r25\n"</span></div>
|
|
<div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  <span class="stringliteral">"push r8\n"</span></div>
|
|
<div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  <span class="stringliteral">"push r9\n"</span></div>
|
|
<div class="line"><a name="l00393"></a><span class="lineno"> 393</span>  <span class="stringliteral">"push r10\n"</span></div>
|
|
<div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="stringliteral">"push r11\n"</span></div>
|
|
<div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="stringliteral">"push r12\n"</span></div>
|
|
<div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="stringliteral">"push r13\n"</span></div>
|
|
<div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  <span class="stringliteral">"push r14\n"</span></div>
|
|
<div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  <span class="stringliteral">"push r15\n"</span></div>
|
|
<div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  <span class="stringliteral">"push r16\n"</span></div>
|
|
<div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  <span class="stringliteral">"push r17\n"</span></div>
|
|
<div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  <span class="stringliteral">"push r18\n"</span></div>
|
|
<div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  <span class="stringliteral">"push r19\n"</span></div>
|
|
<div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  <span class="stringliteral">"push r20\n"</span></div>
|
|
<div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  <span class="stringliteral">"push r21\n"</span></div>
|
|
<div class="line"><a name="l00405"></a><span class="lineno"> 405</span>  <span class="stringliteral">"push r22\n"</span></div>
|
|
<div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="stringliteral">"push r23\n"</span></div>
|
|
<div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="stringliteral">"ldi r24,24\n"</span></div>
|
|
<div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="stringliteral">"add %A2,r24\n"</span></div>
|
|
<div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  <span class="stringliteral">"add %B2,r24\n"</span></div>
|
|
<div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  <span class="stringliteral">"ldi r24,0x1F\n"</span></div>
|
|
<div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  <span class="stringliteral">"and %A2,r24\n"</span></div>
|
|
<div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  <span class="stringliteral">"and %B2,r24\n"</span></div>
|
|
<div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  <span class="stringliteral">"ld r16,X+\n"</span></div>
|
|
<div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  <span class="stringliteral">"ld r17,X+\n"</span></div>
|
|
<div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  <span class="stringliteral">"ld r18,X+\n"</span></div>
|
|
<div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  <span class="stringliteral">"ld r19,X+\n"</span></div>
|
|
<div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  <span class="stringliteral">"ld r20,X+\n"</span></div>
|
|
<div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  <span class="stringliteral">"ld r21,X+\n"</span></div>
|
|
<div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="stringliteral">"ld r22,X+\n"</span></div>
|
|
<div class="line"><a name="l00420"></a><span class="lineno"> 420</span>  <span class="stringliteral">"ld r23,X+\n"</span></div>
|
|
<div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="stringliteral">"add r30,%B2\n"</span></div>
|
|
<div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="stringliteral">"adc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="stringliteral">"ld r8,Z\n"</span></div>
|
|
<div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  <span class="stringliteral">"ldd r9,Z+1\n"</span></div>
|
|
<div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  <span class="stringliteral">"ldd r10,Z+2\n"</span></div>
|
|
<div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  <span class="stringliteral">"ldd r11,Z+3\n"</span></div>
|
|
<div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  <span class="stringliteral">"ldd r12,Z+4\n"</span></div>
|
|
<div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  <span class="stringliteral">"ldd r13,Z+5\n"</span></div>
|
|
<div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  <span class="stringliteral">"ldd r14,Z+6\n"</span></div>
|
|
<div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="stringliteral">"ldd r15,Z+7\n"</span></div>
|
|
<div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  <span class="stringliteral">"sub r30,%B2\n"</span></div>
|
|
<div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="stringliteral">"sbc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  <span class="stringliteral">"eor r16,r8\n"</span></div>
|
|
<div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  <span class="stringliteral">"eor r17,r9\n"</span></div>
|
|
<div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  <span class="stringliteral">"eor r18,r10\n"</span></div>
|
|
<div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  <span class="stringliteral">"eor r19,r11\n"</span></div>
|
|
<div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="stringliteral">"eor r20,r12\n"</span></div>
|
|
<div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  <span class="stringliteral">"eor r21,r13\n"</span></div>
|
|
<div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  <span class="stringliteral">"eor r22,r14\n"</span></div>
|
|
<div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  <span class="stringliteral">"eor r23,r15\n"</span></div>
|
|
<div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00451"></a><span class="lineno"> 451</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="stringliteral">"bst r16,0\n"</span></div>
|
|
<div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="stringliteral">"ror r23\n"</span></div>
|
|
<div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="stringliteral">"ror r22\n"</span></div>
|
|
<div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="stringliteral">"ror r21\n"</span></div>
|
|
<div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <span class="stringliteral">"ror r20\n"</span></div>
|
|
<div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="stringliteral">"ror r19\n"</span></div>
|
|
<div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  <span class="stringliteral">"ror r18\n"</span></div>
|
|
<div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  <span class="stringliteral">"ror r17\n"</span></div>
|
|
<div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  <span class="stringliteral">"ror r16\n"</span></div>
|
|
<div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="stringliteral">"bld r23,7\n"</span></div>
|
|
<div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  <span class="stringliteral">"st -X,r23\n"</span></div>
|
|
<div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="stringliteral">"st -X,r22\n"</span></div>
|
|
<div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  <span class="stringliteral">"st -X,r21\n"</span></div>
|
|
<div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  <span class="stringliteral">"st -X,r20\n"</span></div>
|
|
<div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  <span class="stringliteral">"st -X,r19\n"</span></div>
|
|
<div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  <span class="stringliteral">"st -X,r18\n"</span></div>
|
|
<div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  <span class="stringliteral">"st -X,r17\n"</span></div>
|
|
<div class="line"><a name="l00478"></a><span class="lineno"> 478</span>  <span class="stringliteral">"st -X,r16\n"</span></div>
|
|
<div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="stringliteral">"adiw r26,8\n"</span></div>
|
|
<div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  <span class="stringliteral">"eor r8,r25\n"</span></div>
|
|
<div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="stringliteral">"sub r8,r16\n"</span></div>
|
|
<div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="stringliteral">"sbc r9,r17\n"</span></div>
|
|
<div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="stringliteral">"sbc r10,r18\n"</span></div>
|
|
<div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="stringliteral">"sbc r11,r19\n"</span></div>
|
|
<div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <span class="stringliteral">"sbc r12,r20\n"</span></div>
|
|
<div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  <span class="stringliteral">"sbc r13,r21\n"</span></div>
|
|
<div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="stringliteral">"sbc r14,r22\n"</span></div>
|
|
<div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  <span class="stringliteral">"sbc r15,r23\n"</span></div>
|
|
<div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  <span class="stringliteral">"add r30,%A2\n"</span></div>
|
|
<div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  <span class="stringliteral">"adc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  <span class="stringliteral">"st Z,r15\n"</span></div>
|
|
<div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="stringliteral">"std Z+1,r8\n"</span></div>
|
|
<div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  <span class="stringliteral">"std Z+2,r9\n"</span></div>
|
|
<div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  <span class="stringliteral">"std Z+3,r10\n"</span></div>
|
|
<div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  <span class="stringliteral">"std Z+4,r11\n"</span></div>
|
|
<div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  <span class="stringliteral">"std Z+5,r12\n"</span></div>
|
|
<div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="stringliteral">"std Z+6,r13\n"</span></div>
|
|
<div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  <span class="stringliteral">"std Z+7,r14\n"</span></div>
|
|
<div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="stringliteral">"sub r30,%A2\n"</span></div>
|
|
<div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="stringliteral">"sbc r31,__zero_reg__\n"</span></div>
|
|
<div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="stringliteral">"pop r23\n"</span></div>
|
|
<div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="stringliteral">"pop r22\n"</span></div>
|
|
<div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="stringliteral">"pop r21\n"</span></div>
|
|
<div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="stringliteral">"pop r20\n"</span></div>
|
|
<div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="stringliteral">"pop r19\n"</span></div>
|
|
<div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="stringliteral">"pop r18\n"</span></div>
|
|
<div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="stringliteral">"pop r17\n"</span></div>
|
|
<div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="stringliteral">"pop r16\n"</span></div>
|
|
<div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="stringliteral">"pop r15\n"</span></div>
|
|
<div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  <span class="stringliteral">"pop r14\n"</span></div>
|
|
<div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="stringliteral">"pop r13\n"</span></div>
|
|
<div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  <span class="stringliteral">"pop r12\n"</span></div>
|
|
<div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="stringliteral">"pop r11\n"</span></div>
|
|
<div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  <span class="stringliteral">"pop r10\n"</span></div>
|
|
<div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="stringliteral">"pop r9\n"</span></div>
|
|
<div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  <span class="stringliteral">"pop r8\n"</span></div>
|
|
<div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  <span class="stringliteral">"rjmp 2b\n"</span></div>
|
|
<div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="stringliteral">"4:\n"</span></div>
|
|
<div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  <span class="stringliteral">"ldd r26,%A3\n"</span></div>
|
|
<div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  <span class="stringliteral">"ldd r27,%B3\n"</span></div>
|
|
<div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="stringliteral">"st X+,r15\n"</span></div>
|
|
<div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="stringliteral">"st X+,r14\n"</span></div>
|
|
<div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="stringliteral">"st X+,r13\n"</span></div>
|
|
<div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="stringliteral">"st X+,r12\n"</span></div>
|
|
<div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <span class="stringliteral">"st X+,r11\n"</span></div>
|
|
<div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  <span class="stringliteral">"st X+,r10\n"</span></div>
|
|
<div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  <span class="stringliteral">"st X+,r9\n"</span></div>
|
|
<div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="stringliteral">"st X+,r8\n"</span></div>
|
|
<div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  <span class="stringliteral">"st X+,r23\n"</span></div>
|
|
<div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="stringliteral">"st X+,r22\n"</span></div>
|
|
<div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  <span class="stringliteral">"st X+,r21\n"</span></div>
|
|
<div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  <span class="stringliteral">"st X+,r20\n"</span></div>
|
|
<div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  <span class="stringliteral">"st X+,r19\n"</span></div>
|
|
<div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  <span class="stringliteral">"st X+,r18\n"</span></div>
|
|
<div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="stringliteral">"st X+,r17\n"</span></div>
|
|
<div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  <span class="stringliteral">"st X,r16\n"</span></div>
|
|
<div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  : : <span class="stringliteral">"x"</span>(this->l), <span class="stringliteral">"z"</span>(l), <span class="stringliteral">"r"</span>(input), <span class="stringliteral">"Q"</span>(output), <span class="stringliteral">"Q"</span>(li_out), <span class="stringliteral">"Q"</span>(r), <span class="stringliteral">"Q"</span>(li_in)</div>
|
|
<div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  : <span class="stringliteral">"r8"</span>, <span class="stringliteral">"r9"</span>, <span class="stringliteral">"r10"</span>, <span class="stringliteral">"r11"</span>, <span class="stringliteral">"r12"</span>, <span class="stringliteral">"r13"</span>, <span class="stringliteral">"r14"</span>, <span class="stringliteral">"r15"</span>,</div>
|
|
<div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  <span class="stringliteral">"r16"</span>, <span class="stringliteral">"r17"</span>, <span class="stringliteral">"r18"</span>, <span class="stringliteral">"r19"</span>, <span class="stringliteral">"r20"</span>, <span class="stringliteral">"r21"</span>, <span class="stringliteral">"r22"</span>, <span class="stringliteral">"r23"</span>, <span class="stringliteral">"memory"</span></div>
|
|
<div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  , <span class="stringliteral">"r24"</span>, <span class="stringliteral">"r25"</span></div>
|
|
<div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  );</div>
|
|
<div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="preprocessor">#else</span></div>
|
|
<div class="line"><a name="l00543"></a><span class="lineno"> 543</span> <span class="preprocessor"></span> uint64_t l[4];</div>
|
|
<div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  uint64_t x, y, s;</div>
|
|
<div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  uint8_t round;</div>
|
|
<div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  uint8_t li_in = (rounds + 3) & 0x03;</div>
|
|
<div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  uint8_t li_out = ((rounds - 31) + li_in) & 0x03;</div>
|
|
<div class="line"><a name="l00548"></a><span class="lineno"> 548</span> </div>
|
|
<div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  <span class="comment">// Prepare the key schedule, starting at the end.</span></div>
|
|
<div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  <span class="keywordflow">for</span> (round = li_in; round != li_out; round = (round + 1) & 0x03)</div>
|
|
<div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  l[round] = this->l[round];</div>
|
|
<div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  s = this->l[li_out];</div>
|
|
<div class="line"><a name="l00553"></a><span class="lineno"> 553</span> </div>
|
|
<div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  <span class="comment">// Unpack the input and convert from big-endian.</span></div>
|
|
<div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  unpack64(x, input);</div>
|
|
<div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  unpack64(y, input + 8);</div>
|
|
<div class="line"><a name="l00557"></a><span class="lineno"> 557</span> </div>
|
|
<div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="comment">// Perform all decryption rounds except the last while</span></div>
|
|
<div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  <span class="comment">// expanding the decryption schedule on the fly.</span></div>
|
|
<div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="keywordflow">for</span> (uint8_t round = rounds - 1; round > 0; --round) {</div>
|
|
<div class="line"><a name="l00561"></a><span class="lineno"> 561</span>  <span class="comment">// Decrypt using the current round key.</span></div>
|
|
<div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  y = rightRotate3_64(x ^ y);</div>
|
|
<div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  x = leftRotate8_64((x ^ s) - y);</div>
|
|
<div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div>
|
|
<div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="comment">// Generate the round key for the previous round.</span></div>
|
|
<div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  li_in = (li_in + 3) & 0x03;</div>
|
|
<div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  li_out = (li_out + 3) & 0x03;</div>
|
|
<div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  s = rightRotate3_64(s ^ l[li_out]);</div>
|
|
<div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  l[li_in] = leftRotate8_64((l[li_out] ^ (round - 1)) - s);</div>
|
|
<div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  }</div>
|
|
<div class="line"><a name="l00571"></a><span class="lineno"> 571</span> </div>
|
|
<div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  <span class="comment">// Perform the final decryption round.</span></div>
|
|
<div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  y = rightRotate3_64(x ^ y);</div>
|
|
<div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  x = leftRotate8_64((x ^ s) - y);</div>
|
|
<div class="line"><a name="l00575"></a><span class="lineno"> 575</span> </div>
|
|
<div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="comment">// Pack the output and convert to big-endian.</span></div>
|
|
<div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  pack64(output, x);</div>
|
|
<div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  pack64(output + 8, y);</div>
|
|
<div class="line"><a name="l00579"></a><span class="lineno"> 579</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="line"><a name="l00580"></a><span class="lineno"> 580</span> <span class="preprocessor"></span>}</div>
|
|
<div class="line"><a name="l00581"></a><span class="lineno"> 581</span> </div>
|
|
<div class="line"><a name="l00582"></a><span class="lineno"><a class="line" href="classSpeckSmall.html#aa93d9f0b5153425dc04e8fb8faff7513"> 582</a></span> <span class="keywordtype">void</span> <a class="code" href="classSpeckSmall.html#aa93d9f0b5153425dc04e8fb8faff7513">SpeckSmall::clear</a>()</div>
|
|
<div class="line"><a name="l00583"></a><span class="lineno"> 583</span> {</div>
|
|
<div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  <a class="code" href="classSpeckTiny.html#a303ecc2639459e47c6eeb21991d52ccf">SpeckTiny::clear</a>();</div>
|
|
<div class="line"><a name="l00585"></a><span class="lineno"> 585</span>  clean(l);</div>
|
|
<div class="line"><a name="l00586"></a><span class="lineno"> 586</span> }</div>
|
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<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>
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<div class="ttc" id="classSpeckSmall_html_acced022717603980ecca21b3f953bf51"><div class="ttname"><a href="classSpeckSmall.html#acced022717603980ecca21b3f953bf51">SpeckSmall::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="SpeckSmall_8cpp_source.html#l00261">SpeckSmall.cpp:261</a></div></div>
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<div class="ttc" id="classSpeckSmall_html_a3345df135f6530bad475d630ef6c1038"><div class="ttname"><a href="classSpeckSmall.html#a3345df135f6530bad475d630ef6c1038">SpeckSmall::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="SpeckSmall_8cpp_source.html#l00094">SpeckSmall.cpp:94</a></div></div>
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<div class="ttc" id="classSpeckSmall_html_aa93d9f0b5153425dc04e8fb8faff7513"><div class="ttname"><a href="classSpeckSmall.html#aa93d9f0b5153425dc04e8fb8faff7513">SpeckSmall::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="SpeckSmall_8cpp_source.html#l00582">SpeckSmall.cpp:582</a></div></div>
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<div class="ttc" id="classSpeckSmall_html_a0efa12c897f718a5a49cbd6f2fc6aca3"><div class="ttname"><a href="classSpeckSmall.html#a0efa12c897f718a5a49cbd6f2fc6aca3">SpeckSmall::SpeckSmall</a></div><div class="ttdeci">SpeckSmall()</div><div class="ttdoc">Constructs a small-memory Speck block cipher with no initial key. </div><div class="ttdef"><b>Definition:</b> <a href="SpeckSmall_8cpp_source.html#l00085">SpeckSmall.cpp:85</a></div></div>
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<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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