<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    k = _k;</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;</div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;  }</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;  <span class="comment">// hash of bw+s</span></div><div class="line"><a name="l0012