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 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<a href="ppc-simd_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// ppc-simd.h - written and placed in public domain by Jeffrey Walton</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"></span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">/// \file ppc-simd.h</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">/// \brief Support functions for PowerPC and vector operations</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">/// \details This header provides an agnostic interface into GCC and</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">/// IBM XL C/C++ compilers modulo their different built-in functions</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">/// for accessing vector intructions.</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/// \details The abstractions are necesssary to support back to GCC 4.8.</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">/// GCC 4.8 and 4.9 are still popular, and they are the default</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment">/// compiler for GCC112, GCC118 and others on the compile farm. Older</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">/// IBM XL C/C++ compilers also experience it due to lack of</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">/// <tt>vec_xl_be</tt> support on some platforms. Modern compilers</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">/// provide best support and don't need many of the little hacks below.</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="preprocessor">#ifndef CRYPTOPP_PPC_CRYPTO_H</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="preprocessor">#define CRYPTOPP_PPC_CRYPTO_H</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="preprocessor">#include "<a class="code" href="config_8h.html">config.h</a>"</span></div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="preprocessor">#include "<a class="code" href="misc_8h.html">misc.h</a>"</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#if defined(CRYPTOPP_ALTIVEC_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor"># include <altivec.h></span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor"># undef vector</span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor"># undef pixel</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="preprocessor"># undef bool</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> </div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> NAMESPACE_BEGIN(<a class="code" href="namespace_crypto_p_p.html">CryptoPP</a>)</div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#if defined(CRYPTOPP_ALTIVEC_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> uint8x16_p;</div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> uint16x8_p;</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> uint32x4_p;</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#if defined(CRYPTOPP_POWER8_AVAILABLE)</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">typedef</span> __vector <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> <span class="keywordtype">long</span> uint64x2_p;</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#endif // CRYPTOPP_ALTIVEC_AVAILABLE</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#if defined(CRYPTOPP_ALTIVEC_AVAILABLE) && !defined(CRYPTOPP_POWER7_AVAILABLE)</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a1b6283488beeb26de590e2eaffcbcc56">VectorLoad</a>(<span class="keyword">const</span> byte src[16])</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  uint8x16_p data;</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">if</span> (<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(src, 16))</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  data = vec_ld(0, src);</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  }</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  {</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="comment">// http://www.nxp.com/docs/en/reference-manual/ALTIVECPEM.pdf</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">const</span> uint8x16_p perm = vec_lvsl(0, src);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keyword">const</span> uint8x16_p low = vec_ld(0, src);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <span class="keyword">const</span> uint8x16_p high = vec_ld(15, src);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  data = vec_perm(low, high, perm);</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> </div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> <span class="preprocessor">#if defined(CRYPTOPP_BIG_ENDIAN)</span></div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> (uint32x4_p)data;</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">const</span> uint8x16_p mask = {15,14,13,12, 11,10,9,8, 7,6,5,4, 3,2,1,0};</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_perm(data, data, mask);</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a99bcff119cc5a4ee2d824abb5a857e9a">VectorStore</a>(<span class="keyword">const</span> uint32x4_p data, byte dest[16])</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span> <span class="preprocessor">#if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> uint8x16_p mask = {15,14,13,12, 11,10,9,8, 7,6,5,4, 3,2,1,0};</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <span class="keyword">const</span> uint8x16_p t1 = (uint8x16_p)vec_perm(data, data, mask);</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <span class="keyword">const</span> uint8x16_p t1 = (uint8x16_p)data;</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> (<a class="code" href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a>(dest, 16))</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  vec_st(t1, 0, dest);</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  {</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="comment">// http://www.nxp.com/docs/en/reference-manual/ALTIVECPEM.pdf</span></div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keyword">const</span> uint8x16_p t2 = vec_perm(t1, t1, vec_lvsr(0, dest));</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  vec_ste((uint8x16_p) t2, 0, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*) dest);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  vec_ste((uint16x8_p) t2, 1, (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>*)dest);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  vec_ste((uint32x4_p) t2, 3, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*) dest);</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  vec_ste((uint32x4_p) t2, 4, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*) dest);</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  vec_ste((uint32x4_p) t2, 8, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*) dest);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  vec_ste((uint32x4_p) t2, 12, (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*) dest);</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  vec_ste((uint16x8_p) t2, 14, (<span class="keywordtype">unsigned</span> <span class="keywordtype">short</span>*)dest);</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  vec_ste((uint8x16_p) t2, 15, (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*) dest);</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  }</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#ae0979dccc4c3371cf57ae085d0b25ebe">VectorXor</a>(<span class="keyword">const</span> uint32x4_p vec1, <span class="keyword">const</span> uint32x4_p vec2)</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  <span class="keywordflow">return</span> vec_xor(vec1, vec2);</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span> }</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span> </div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span> <span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a05f5903645fc7d8af7397240cd1bfbac">VectorAdd</a>(<span class="keyword">const</span> uint32x4_p vec1, <span class="keyword">const</span> uint32x4_p vec2)</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span> {</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keywordflow">return</span> vec_add(vec1, vec2);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> }</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span> </div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span> </div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> <span class="preprocessor">#if defined(CRYPTOPP_POWER7_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="comment"></span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span> <span class="comment">/// \brief Reverse a 16-byte array</span></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="comment">/// \details ReverseByteArrayLE reverses a 16-byte array on a little endian</span></div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span> <span class="comment">/// system. It does nothing on a big endian system.</span></div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00116"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a82251513246cd3f89f6b7a8e465cb9d2"> 116</a></span> <span class="comment"></span><span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a82251513246cd3f89f6b7a8e465cb9d2">ReverseByteArrayLE</a>(byte src[16])</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> {</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION) && defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  vec_st(vec_reve(vec_ld(0, src)), 0, src);</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span> <span class="preprocessor">#elif defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> uint8x16_p mask = {15,14,13,12, 11,10,9,8, 7,6,5,4, 3,2,1,0};</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keyword">const</span> uint8x16_p zero = {0};</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  vec_vsx_st(vec_perm(vec_vsx_ld(0, src), zero, mask), 0, src);</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> <span class="comment"></span></div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span> <span class="comment">/// \brief Reverse a vector</span></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="comment">/// \param src the vector</span></div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="comment">/// \details Reverse() endian swaps the bytes in a vector</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00134"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80"> 134</a></span> <span class="keyword">inline</span> T <a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>(<span class="keyword">const</span> T& src)</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> {</div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keyword">const</span> uint8x16_p mask = {15,14,13,12, 11,10,9,8, 7,6,5,4, 3,2,1,0};</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  <span class="keywordflow">return</span> vec_perm(src, src, mask);</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> }</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="comment"></span></div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> <span class="comment">/// \details Loads a vector in big endian format from a byte array.</span></div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span> <span class="comment">/// VectorLoadBE will swap endianess on little endian systems.</span></div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="comment">/// \note VectorLoadBE() does not require an aligned array.</span></div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b"> 147</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b">VectorLoadBE</a>(<span class="keyword">const</span> uint8_t src[16])</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> {</div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_xl_be(0, src);</div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <span class="keywordflow">return</span> (uint32x4_p)<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>(vec_vsx_ld(0, src));</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_vsx_ld(0, src);</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> }</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span> <span class="comment"></span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> <span class="comment">/// \param off offset into the src byte array</span></div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> <span class="comment">/// \details Loads a vector in big endian format from a byte array.</span></div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="comment">/// VectorLoadBE will swap endianess on little endian systems.</span></div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span> <span class="comment">/// \note VectorLoadBE does not require an aligned array.</span></div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#aca44f35d708f762b86144d12660af80d"> 168</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b">VectorLoadBE</a>(<span class="keywordtype">int</span> off, <span class="keyword">const</span> uint8_t src[16])</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span> {</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_xl_be(off, src);</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordflow">return</span> (uint32x4_p)<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>(vec_vsx_ld(off, src));</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_vsx_ld(off, src);</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span> }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> <span class="comment"></span></div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span> <span class="comment">/// \details Loads a vector in big endian format from a byte array.</span></div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span> <span class="comment">/// VectorLoad will swap endianess on little endian systems.</span></div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span> <span class="comment">/// \note VectorLoad does not require an aligned array.</span></div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00188"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a1b6283488beeb26de590e2eaffcbcc56"> 188</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a1b6283488beeb26de590e2eaffcbcc56">VectorLoad</a>(<span class="keyword">const</span> byte src[16])</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span> {</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> (uint32x4_p)<a class="code" href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b">VectorLoadBE</a>(src);</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> }</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="comment"></span></div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> <span class="comment">/// \param off offset into the src byte array</span></div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span> <span class="comment">/// \details Loads a vector in big endian format from a byte array.</span></div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span> <span class="comment">/// VectorLoad will swap endianess on little endian systems.</span></div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> <span class="comment">/// \note VectorLoad does not require an aligned array.</span></div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ae8b6e6f1af0793bccba0f1454199b931"> 201</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a1b6283488beeb26de590e2eaffcbcc56">VectorLoad</a>(<span class="keywordtype">int</span> off, <span class="keyword">const</span> byte src[16])</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="keywordflow">return</span> (uint32x4_p)<a class="code" href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b">VectorLoadBE</a>(off, src);</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span> }</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> <span class="comment"></span></div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span> <span class="comment">/// \details Loads a vector from a byte array.</span></div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> <span class="comment">/// VectorLoadKey does not swap endianess on little endian systems.</span></div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span> <span class="comment">/// \note VectorLoadKey does not require an aligned array.</span></div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00213"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a947fc3131e09a4f52be26a43e3f8eb68"> 213</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a947fc3131e09a4f52be26a43e3f8eb68">VectorLoadKey</a>(<span class="keyword">const</span> byte src[16])</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span> {</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_xl(0, src);</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_vsx_ld(0, src);</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> }</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span> <span class="comment"></span></div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span> <span class="comment">/// \brief Loads a vector from a 32-bit word array</span></div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span> <span class="comment">/// \param src the 32-bit word array</span></div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span> <span class="comment">/// \details Loads a vector from a 32-bit word array.</span></div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span> <span class="comment">/// VectorLoadKey does not swap endianess on little endian systems.</span></div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span> <span class="comment">/// \note VectorLoadKey does not require an aligned array.</span></div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00229"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#afa96b4b006ac97d944a20c384301ff75"> 229</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a947fc3131e09a4f52be26a43e3f8eb68">VectorLoadKey</a>(<span class="keyword">const</span> word32 src[4])</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span> {</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_xl(0, src);</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_vsx_ld(0, src);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span> }</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> <span class="comment"></span></div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span> <span class="comment">/// \brief Loads a vector from a byte array</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span> <span class="comment">/// \param src the byte array</span></div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span> <span class="comment">/// \param off offset into the src byte array</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span> <span class="comment">/// \details Loads a vector from a byte array.</span></div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span> <span class="comment">/// VectorLoadKey does not swap endianess on little endian systems.</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span> <span class="comment">/// \note VectorLoadKey does not require an aligned array.</span></div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00246"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ae40ac767db23231a69a7dec5c890e7a8"> 246</a></span> <span class="comment"></span><span class="keyword">inline</span> uint32x4_p <a class="code" href="ppc-simd_8h.html#a947fc3131e09a4f52be26a43e3f8eb68">VectorLoadKey</a>(<span class="keywordtype">int</span> off, <span class="keyword">const</span> byte src[16])</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span> {</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_xl(off, src);</div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span>  <span class="keywordflow">return</span> (uint32x4_p)vec_vsx_ld(off, src);</div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span> <span class="preprocessor">#endif</span></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> <span class="comment"></span></div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span> <span class="comment">/// \brief Stores a vector to a byte array</span></div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span> <span class="comment">/// \param src the vector</span></div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span> <span class="comment">/// \param dest the byte array</span></div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span> <span class="comment">/// \details Stores a vector in big endian format to a byte array.</span></div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span> <span class="comment">/// VectorStoreBE will swap endianess on little endian systems.</span></div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span> <span class="comment">/// \note VectorStoreBE does not require an aligned array.</span></div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a9104539a4e3be4fc0876af605ca13237"> 265</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a9104539a4e3be4fc0876af605ca13237">VectorStoreBE</a>(<span class="keyword">const</span> T& src, uint8_t dest[16])</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span> {</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  vec_xst_be((uint8x16_p)src, 0, dest);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  vec_vsx_st(<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>((uint8x16_p)src), 0, dest);</div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  vec_vsx_st((uint8x16_p)src, 0, dest);</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span> }<span class="comment"></span></div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span> <span class="comment">/// \brief Stores a vector to a byte array</span></div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span> <span class="comment">/// \param src the vector</span></div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span> <span class="comment">/// \param off offset into the dest byte array</span></div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span> <span class="comment">/// \param dest the byte array</span></div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span> <span class="comment">/// \details Stores a vector in big endian format to a byte array.</span></div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span> <span class="comment">/// VectorStoreBE will swap endianess on little endian systems.</span></div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span> <span class="comment">/// \note VectorStoreBE does not require an aligned array.</span></div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span> <span class="comment">/// \sa Reverse(), VectorLoadBE(), VectorLoad(), VectorLoadKey()</span></div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T></div><div class="line"><a name="l00288"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a395dee166fa08d2fb02ed9f2e3fd0b40"> 288</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a9104539a4e3be4fc0876af605ca13237">VectorStoreBE</a>(<span class="keyword">const</span> T& src, <span class="keywordtype">int</span> off, uint8_t dest[16])</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span> {</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  vec_xst_be((uint8x16_p)src, off, dest);</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  vec_vsx_st(<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>((uint8x16_p)src), off, dest);</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span>  vec_vsx_st((uint8x16_p)src, off, dest);</div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> }</div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="comment"></span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="comment">/// \brief Stores a vector to a byte array</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="comment">/// \param src the vector</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="comment">/// \param dest the byte array</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="comment">/// \details Stores a vector in big endian format to a byte array.</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="comment">/// VectorStore will swap endianess on little endian systems.</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="comment">/// \note VectorStore does not require an aligned array.</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="comment"></span><span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00310"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a99bcff119cc5a4ee2d824abb5a857e9a"> 310</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a99bcff119cc5a4ee2d824abb5a857e9a">VectorStore</a>(<span class="keyword">const</span> T& src, byte dest[16])</div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span> {</div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="comment">// Do not call VectorStoreBE. It slows us down by about 0.5 cpb on LE.</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  vec_xst_be((uint8x16_p)src, 0, dest);</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  vec_vsx_st(<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>((uint8x16_p)src), 0, dest);</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  vec_vsx_st((uint8x16_p)src, 0, dest);</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span> }</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span> <span class="comment"></span></div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span> <span class="comment">/// \brief Stores a vector to a byte array</span></div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span> <span class="comment">/// \param src the vector</span></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span> <span class="comment">/// \param off offset into the dest byte array</span></div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span> <span class="comment">/// \param dest the byte array</span></div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span> <span class="comment">/// \details Stores a vector in big endian format to a byte array.</span></div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span> <span class="comment">/// VectorStore will swap endianess on little endian systems.</span></div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span> <span class="comment">/// \note VectorStore does not require an aligned array.</span></div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span> <span class="comment"></span><span class="keyword">template</span><<span class="keyword">class</span> T></div><div class="line"><a name="l00334"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#aed660b93b6b3a7b2f3c682ac1736d599"> 334</a></span> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="ppc-simd_8h.html#a99bcff119cc5a4ee2d824abb5a857e9a">VectorStore</a>(<span class="keyword">const</span> T& src, <span class="keywordtype">int</span> off, byte dest[16])</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span> {</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="comment">// Do not call VectorStoreBE. It slows us down by about 0.5 cpb on LE.</span></div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  vec_xst_be((uint8x16_p)src, off, dest);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span> <span class="preprocessor"># if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  vec_vsx_st(<a class="code" href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a>((uint8x16_p)src), off, dest);</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span> <span class="preprocessor"># else</span></div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  vec_vsx_st((uint8x16_p)src, off, dest);</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span> <span class="preprocessor"># endif</span></div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span> }</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span> <span class="comment"></span></div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span> <span class="comment">/// \brief Permutes two vectors</span></div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span> <span class="comment">/// \param vec1 the first vector</span></div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span> <span class="comment">/// \param vec2 the second vector</span></div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span> <span class="comment">/// \param mask vector mask</span></div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span> <span class="comment">/// \details VectorPermute returns a new vector from vec1 and vec2</span></div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> <span class="comment">/// based on mask. mask is an uint8x16_p type vector. The return</span></div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span> <span class="comment">/// vector is the same type as vec1.</span></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00359"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a22f5eb3c04c38c61723cd626b3d59804"> 359</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#a22f5eb3c04c38c61723cd626b3d59804">VectorPermute</a>(<span class="keyword">const</span> T1& vec1, <span class="keyword">const</span> T1& vec2, <span class="keyword">const</span> T2& mask)</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span> {</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordflow">return</span> (T1)vec_perm(vec1, vec2, (uint8x16_p)mask);</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span> }</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span> <span class="comment"></span></div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span> <span class="comment">/// \brief XOR two vectors</span></div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span> <span class="comment">/// \param vec1 the first vector</span></div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="comment">/// \param vec2 the second vector</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> <span class="comment">/// \details VectorXor returns a new vector from vec1 and vec2. The return</span></div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span> <span class="comment">/// vector is the same type as vec1.</span></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00373"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ae0979dccc4c3371cf57ae085d0b25ebe"> 373</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#ae0979dccc4c3371cf57ae085d0b25ebe">VectorXor</a>(<span class="keyword">const</span> T1& vec1, <span class="keyword">const</span> T2& vec2)</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span> {</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  <span class="keywordflow">return</span> (T1)vec_xor(vec1, (T1)vec2);</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span> }</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span> <span class="comment"></span></div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span> <span class="comment">/// \brief Add two vector</span></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> <span class="comment">/// \param vec1 the first vector</span></div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span> <span class="comment">/// \param vec2 the second vector</span></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span> <span class="comment">/// \details VectorAdd returns a new vector from vec1 and vec2.</span></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span> <span class="comment">/// vec2 is cast to the same type as vec1. The return vector</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span> <span class="comment">/// is the same type as vec1.</span></div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00388"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a05f5903645fc7d8af7397240cd1bfbac"> 388</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#a05f5903645fc7d8af7397240cd1bfbac">VectorAdd</a>(<span class="keyword">const</span> T1& vec1, <span class="keyword">const</span> T2& vec2)</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span> {</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  <span class="keywordflow">return</span> (T1)vec_add(vec1, (T1)vec2);</div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span> }</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span> <span class="comment"></span></div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> <span class="comment">/// \brief Shift two vectors left</span></div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span> <span class="comment">/// \tparam C shift byte count</span></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span> <span class="comment">/// \param vec1 the first vector</span></div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span> <span class="comment">/// \param vec2 the second vector</span></div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span> <span class="comment">/// \details VectorShiftLeft() concatenates vec1 and vec2 and returns a</span></div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span> <span class="comment">/// new vector after shifting the concatenation by the specified number</span></div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span> <span class="comment">/// of bytes. Both vec1 and vec2 are cast to uint8x16_p. The return</span></div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span> <span class="comment">/// vector is the same type as vec1.</span></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span> <span class="comment">/// \details On big endian machines VectorShiftLeft() is <tt>vec_sld(a, b,</span></div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span> <span class="comment">/// c)</tt>. On little endian machines VectorShiftLeft() is translated to</span></div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> <span class="comment">/// <tt>vec_sld(b, a, 16-c)</tt>. You should always call the function as</span></div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span> <span class="comment">/// if on a big endian machine as shown below.</span></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span> <span class="comment">/// <pre></span></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span> <span class="comment">/// uint8x16_p r0 = {0};</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span> <span class="comment">/// uint8x16_p r1 = VectorLoad(ptr);</span></div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span> <span class="comment">/// uint8x16_p r5 = VectorShiftLeft<12>(r0, r1);</span></div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span> <span class="comment">/// </pre></span></div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span> <span class="comment">/// \sa <A HREF="https://stackoverflow.com/q/46341923/608639">Is vec_sld</span></div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span> <span class="comment">/// endian sensitive?</A> on Stack Overflow</span></div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> C, <span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00416"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ab73b86116b8a0520419ad240b760ac39"> 416</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#ab73b86116b8a0520419ad240b760ac39">VectorShiftLeft</a>(<span class="keyword">const</span> T1& vec1, <span class="keyword">const</span> T2& vec2)</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span> {</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span> <span class="preprocessor">#if defined(CRYPTOPP_LITTLE_ENDIAN)</span></div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  <span class="keywordflow">return</span> (T1)vec_sld((uint8x16_p)vec2, (uint8x16_p)vec1, 16-C);</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keywordflow">return</span> (T1)vec_sld((uint8x16_p)vec1, (uint8x16_p)vec2, C);</div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span> }</div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span> </div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span> <span class="preprocessor">#endif // CRYPTOPP_POWER7_AVAILABLE</span></div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span> </div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span> <span class="preprocessor">#if defined(CRYPTOPP_POWER8_AVAILABLE) || defined(CRYPTOPP_DOXYGEN_PROCESSING)</span></div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span> <span class="comment"></span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span> <span class="comment">/// \brief One round of AES encryption</span></div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span> <span class="comment">/// \param state the state vector</span></div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span> <span class="comment">/// \param key the subkey vector</span></div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span> <span class="comment">/// \details VectorEncrypt performs one round of AES encryption of state</span></div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span> <span class="comment">/// using subkey key. The return vector is the same type as vec1.</span></div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00438"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#aac2b5eac1e3f964a606de6fa9fffb448"> 438</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#aac2b5eac1e3f964a606de6fa9fffb448">VectorEncrypt</a>(<span class="keyword">const</span> T1& state, <span class="keyword">const</span> T2& key)</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span> {</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  <span class="keywordflow">return</span> (T1)__vcipher((uint8x16_p)state, (uint8x16_p)key);</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">return</span> (T1)__builtin_crypto_vcipher((uint64x2_p)state, (uint64x2_p)key);</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span> }</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span> <span class="comment"></span></div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span> <span class="comment">/// \brief Final round of AES encryption</span></div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span> <span class="comment">/// \param state the state vector</span></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span> <span class="comment">/// \param key the subkey vector</span></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span> <span class="comment">/// \details VectorEncryptLast performs the final round of AES encryption</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span> <span class="comment">/// of state using subkey key. The return vector is the same type as vec1.</span></div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00458"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a33ec3e5bc4e41573529f77668d107ad3"> 458</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#a33ec3e5bc4e41573529f77668d107ad3">VectorEncryptLast</a>(<span class="keyword">const</span> T1& state, <span class="keyword">const</span> T2& key)</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span> {</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span>  <span class="keywordflow">return</span> (T1)__vcipherlast((uint8x16_p)state, (uint8x16_p)key);</div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  <span class="keywordflow">return</span> (T1)__builtin_crypto_vcipherlast((uint64x2_p)state, (uint64x2_p)key);</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span> }</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span> <span class="comment"></span></div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span> <span class="comment">/// \brief One round of AES decryption</span></div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span> <span class="comment">/// \param state the state vector</span></div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span> <span class="comment">/// \param key the subkey vector</span></div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span> <span class="comment">/// \details VectorDecrypt performs one round of AES decryption of state</span></div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span> <span class="comment">/// using subkey key. The return vector is the same type as vec1.</span></div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00478"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#ac54f4abfcb0e7071a8bcaa98e9a3d324"> 478</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#ac54f4abfcb0e7071a8bcaa98e9a3d324">VectorDecrypt</a>(<span class="keyword">const</span> T1& state, <span class="keyword">const</span> T2& key)</div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span> {</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keywordflow">return</span> (T1)__vncipher((uint8x16_p)state, (uint8x16_p)key);</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  <span class="keywordflow">return</span> (T1)__builtin_crypto_vncipher((uint64x2_p)state, (uint64x2_p)key);</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span> }</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span> <span class="comment"></span></div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span> <span class="comment">/// \brief Final round of AES decryption</span></div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span> <span class="comment">/// \tparam T1 vector type</span></div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span> <span class="comment">/// \tparam T2 vector type</span></div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span> <span class="comment">/// \param state the state vector</span></div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span> <span class="comment">/// \param key the subkey vector</span></div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span> <span class="comment">/// \details VectorDecryptLast performs the final round of AES decryption</span></div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span> <span class="comment">/// of state using subkey key. The return vector is the same type as vec1.</span></div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keyword">class</span> T1, <span class="keyword">class</span> T2></div><div class="line"><a name="l00498"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a91950b9a731a0ad0d7e947fc7e27c1ef"> 498</a></span> <span class="keyword">inline</span> T1 <a class="code" href="ppc-simd_8h.html#a91950b9a731a0ad0d7e947fc7e27c1ef">VectorDecryptLast</a>(<span class="keyword">const</span> T1& state, <span class="keyword">const</span> T2& key)</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span> {</div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="keywordflow">return</span> (T1)__vncipherlast((uint8x16_p)state, (uint8x16_p)key);</div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="keywordflow">return</span> (T1)__builtin_crypto_vncipherlast((uint64x2_p)state, (uint64x2_p)key);</div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span> }</div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span> <span class="comment"></span></div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span> <span class="comment">/// \brief SHA256 Sigma functions</span></div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span> <span class="comment">/// \tparam func function</span></div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span> <span class="comment">/// \tparam subfunc sub-function</span></div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span> <span class="comment">/// \param vec the block to transform</span></div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span> <span class="comment">/// \details VectorSHA256 selects sigma0, sigma1, Sigma0, Sigma1 based on</span></div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span> <span class="comment">/// func and subfunc. The return vector is the same type as vec.</span></div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keywordtype">int</span> func, <span class="keywordtype">int</span> subfunc, <span class="keyword">class</span> T></div><div class="line"><a name="l00518"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a70aac5018a185abc01b512f4c52ab8ca"> 518</a></span> <span class="keyword">inline</span> T <a class="code" href="ppc-simd_8h.html#a70aac5018a185abc01b512f4c52ab8ca">VectorSHA256</a>(<span class="keyword">const</span> T& vec)</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span> {</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <span class="keywordflow">return</span> (T)__vshasigmaw((uint32x4_p)vec, func, subfunc);</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="keywordflow">return</span> (T)__builtin_crypto_vshasigmaw((uint32x4_p)vec, func, subfunc);</div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span> }</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span> <span class="comment"></span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span> <span class="comment">/// \brief SHA512 Sigma functions</span></div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span> <span class="comment">/// \tparam func function</span></div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span> <span class="comment">/// \tparam subfunc sub-function</span></div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span> <span class="comment">/// \tparam T vector type</span></div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span> <span class="comment">/// \param vec the block to transform</span></div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span> <span class="comment">/// \details VectorSHA512 selects sigma0, sigma1, Sigma0, Sigma1 based on</span></div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span> <span class="comment">/// func and subfunc. The return vector is the same type as vec.</span></div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span> <span class="comment">/// \since Crypto++ 6.0</span></div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span> <span class="comment"></span><span class="keyword">template</span> <<span class="keywordtype">int</span> func, <span class="keywordtype">int</span> subfunc, <span class="keyword">class</span> T></div><div class="line"><a name="l00538"></a><span class="lineno"><a class="line" href="ppc-simd_8h.html#a578b717b4131de3a2a1437d306ac5d80"> 538</a></span> <span class="keyword">inline</span> T <a class="code" href="ppc-simd_8h.html#a578b717b4131de3a2a1437d306ac5d80">VectorSHA512</a>(<span class="keyword">const</span> T& vec)</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span> {</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span> <span class="preprocessor">#if defined(CRYPTOPP_XLC_VERSION)</span></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  <span class="keywordflow">return</span> (T)__vshasigmad((uint64x2_p)vec, func, subfunc);</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span> <span class="preprocessor">#elif defined(CRYPTOPP_GCC_VERSION)</span></div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  <span class="keywordflow">return</span> (T)__builtin_crypto_vshasigmad((uint64x2_p)vec, func, subfunc);</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <a class="code" href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a>(0);</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span> }</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="preprocessor">#endif // CRYPTOPP_POWER8_AVAILABLE</span></div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span> </div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span> NAMESPACE_END</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span> </div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span> <span class="preprocessor">#endif // CRYPTOPP_PPC_CRYPTO_H</span></div><div class="ttc" id="ppc-simd_8h_html_aac2b5eac1e3f964a606de6fa9fffb448"><div class="ttname"><a href="ppc-simd_8h.html#aac2b5eac1e3f964a606de6fa9fffb448">VectorEncrypt</a></div><div class="ttdeci">T1 VectorEncrypt(const T1 &state, const T2 &key)</div><div class="ttdoc">One round of AES encryption. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00438">ppc-simd.h:438</a></div></div>
<div class="ttc" id="misc_8h_html"><div class="ttname"><a href="misc_8h.html">misc.h</a></div><div class="ttdoc">Utility functions for the Crypto++ library. </div></div>
<div class="ttc" id="ppc-simd_8h_html_ab73b86116b8a0520419ad240b760ac39"><div class="ttname"><a href="ppc-simd_8h.html#ab73b86116b8a0520419ad240b760ac39">VectorShiftLeft</a></div><div class="ttdeci">T1 VectorShiftLeft(const T1 &vec1, const T2 &vec2)</div><div class="ttdoc">Shift two vectors left. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00416">ppc-simd.h:416</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a9104539a4e3be4fc0876af605ca13237"><div class="ttname"><a href="ppc-simd_8h.html#a9104539a4e3be4fc0876af605ca13237">VectorStoreBE</a></div><div class="ttdeci">void VectorStoreBE(const T &src, uint8_t dest[16])</div><div class="ttdoc">Stores a vector to a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00265">ppc-simd.h:265</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a33ec3e5bc4e41573529f77668d107ad3"><div class="ttname"><a href="ppc-simd_8h.html#a33ec3e5bc4e41573529f77668d107ad3">VectorEncryptLast</a></div><div class="ttdeci">T1 VectorEncryptLast(const T1 &state, const T2 &key)</div><div class="ttdoc">Final round of AES encryption. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00458">ppc-simd.h:458</a></div></div>
<div class="ttc" id="config_8h_html"><div class="ttname"><a href="config_8h.html">config.h</a></div><div class="ttdoc">Library configuration file. </div></div>
<div class="ttc" id="ppc-simd_8h_html_a91950b9a731a0ad0d7e947fc7e27c1ef"><div class="ttname"><a href="ppc-simd_8h.html#a91950b9a731a0ad0d7e947fc7e27c1ef">VectorDecryptLast</a></div><div class="ttdeci">T1 VectorDecryptLast(const T1 &state, const T2 &key)</div><div class="ttdoc">Final round of AES decryption. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00498">ppc-simd.h:498</a></div></div>
<div class="ttc" id="misc_8h_html_a726c3b76265182681f5d5fd173ab5676"><div class="ttname"><a href="misc_8h.html#a726c3b76265182681f5d5fd173ab5676">IsAlignedOn</a></div><div class="ttdeci">bool IsAlignedOn(const void *ptr, unsigned int alignment)</div><div class="ttdoc">Determines whether ptr is aligned to a minimum value. </div><div class="ttdef"><b>Definition:</b> <a href="misc_8h_source.html#l01030">misc.h:1030</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a70aac5018a185abc01b512f4c52ab8ca"><div class="ttname"><a href="ppc-simd_8h.html#a70aac5018a185abc01b512f4c52ab8ca">VectorSHA256</a></div><div class="ttdeci">T VectorSHA256(const T &vec)</div><div class="ttdoc">SHA256 Sigma functions. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00518">ppc-simd.h:518</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_ab460a63c9a22173e86d5bcf66d8a9c80"><div class="ttname"><a href="ppc-simd_8h.html#ab460a63c9a22173e86d5bcf66d8a9c80">Reverse</a></div><div class="ttdeci">T Reverse(const T &src)</div><div class="ttdoc">Reverse a vector. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00134">ppc-simd.h:134</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a05f5903645fc7d8af7397240cd1bfbac"><div class="ttname"><a href="ppc-simd_8h.html#a05f5903645fc7d8af7397240cd1bfbac">VectorAdd</a></div><div class="ttdeci">T1 VectorAdd(const T1 &vec1, const T2 &vec2)</div><div class="ttdoc">Add two vector. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00388">ppc-simd.h:388</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a82251513246cd3f89f6b7a8e465cb9d2"><div class="ttname"><a href="ppc-simd_8h.html#a82251513246cd3f89f6b7a8e465cb9d2">ReverseByteArrayLE</a></div><div class="ttdeci">void ReverseByteArrayLE(byte src[16])</div><div class="ttdoc">Reverse a 16-byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00116">ppc-simd.h:116</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a1b6283488beeb26de590e2eaffcbcc56"><div class="ttname"><a href="ppc-simd_8h.html#a1b6283488beeb26de590e2eaffcbcc56">VectorLoad</a></div><div class="ttdeci">uint32x4_p VectorLoad(const byte src[16])</div><div class="ttdoc">Loads a vector from a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00188">ppc-simd.h:188</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a947fc3131e09a4f52be26a43e3f8eb68"><div class="ttname"><a href="ppc-simd_8h.html#a947fc3131e09a4f52be26a43e3f8eb68">VectorLoadKey</a></div><div class="ttdeci">uint32x4_p VectorLoadKey(const byte src[16])</div><div class="ttdoc">Loads a vector from a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00213">ppc-simd.h:213</a></div></div>
<div class="ttc" id="trap_8h_html_adf3b392588bc94cbeae9f415a78c7b95"><div class="ttname"><a href="trap_8h.html#adf3b392588bc94cbeae9f415a78c7b95">CRYPTOPP_ASSERT</a></div><div class="ttdeci">#define CRYPTOPP_ASSERT(exp)</div><div class="ttdoc">Debugging and diagnostic assertion. </div><div class="ttdef"><b>Definition:</b> <a href="trap_8h_source.html#l00060">trap.h:60</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a22f5eb3c04c38c61723cd626b3d59804"><div class="ttname"><a href="ppc-simd_8h.html#a22f5eb3c04c38c61723cd626b3d59804">VectorPermute</a></div><div class="ttdeci">T1 VectorPermute(const T1 &vec1, const T1 &vec2, const T2 &mask)</div><div class="ttdoc">Permutes two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00359">ppc-simd.h:359</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a578b717b4131de3a2a1437d306ac5d80"><div class="ttname"><a href="ppc-simd_8h.html#a578b717b4131de3a2a1437d306ac5d80">VectorSHA512</a></div><div class="ttdeci">T VectorSHA512(const T &vec)</div><div class="ttdoc">SHA512 Sigma functions. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00538">ppc-simd.h:538</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_ae0979dccc4c3371cf57ae085d0b25ebe"><div class="ttname"><a href="ppc-simd_8h.html#ae0979dccc4c3371cf57ae085d0b25ebe">VectorXor</a></div><div class="ttdeci">T1 VectorXor(const T1 &vec1, const T2 &vec2)</div><div class="ttdoc">XOR two vectors. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00373">ppc-simd.h:373</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_ac54f4abfcb0e7071a8bcaa98e9a3d324"><div class="ttname"><a href="ppc-simd_8h.html#ac54f4abfcb0e7071a8bcaa98e9a3d324">VectorDecrypt</a></div><div class="ttdeci">T1 VectorDecrypt(const T1 &state, const T2 &key)</div><div class="ttdoc">One round of AES decryption. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00478">ppc-simd.h:478</a></div></div>
<div class="ttc" id="namespace_crypto_p_p_html"><div class="ttname"><a href="namespace_crypto_p_p.html">CryptoPP</a></div><div class="ttdoc">Crypto++ library namespace. </div></div>
<div class="ttc" id="ppc-simd_8h_html_a99bcff119cc5a4ee2d824abb5a857e9a"><div class="ttname"><a href="ppc-simd_8h.html#a99bcff119cc5a4ee2d824abb5a857e9a">VectorStore</a></div><div class="ttdeci">void VectorStore(const T &src, byte dest[16])</div><div class="ttdoc">Stores a vector to a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00310">ppc-simd.h:310</a></div></div>
<div class="ttc" id="ppc-simd_8h_html_a1dd794d3ddd505c399eb711d41048e7b"><div class="ttname"><a href="ppc-simd_8h.html#a1dd794d3ddd505c399eb711d41048e7b">VectorLoadBE</a></div><div class="ttdeci">uint32x4_p VectorLoadBE(const uint8_t src[16])</div><div class="ttdoc">Loads a vector from a byte array. </div><div class="ttdef"><b>Definition:</b> <a href="ppc-simd_8h_source.html#l00147">ppc-simd.h:147</a></div></div>
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