ect</span><span class="p">:</span> <span class="kt">Signal_Session</span><span class="o">.</span><span class="kt">Chain</span><span class="o">.</span><span class="kt">ChainKey</span><span class="p">,</span> <span class="nv">version</span><span class="p">:</span> <span class="kt"><a href="../Enums/HKDFVersion.html">HKDFVersion</a></span><span class="p">)</span> <span class="k">throws</span></code></pre>

                        </div>
                      </div>
                      <div>
                 