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<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt">dear libreswan:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt"> I want to remove the klips from kernel to user state. Here are some questions.Thank you!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt">1. why the sa is four?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt">2. which two sa is the ipsec sa not IKE sa in these four sa and what other two sa is use for ?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt"><img width="1048" height="772" id="图片_x0020_1" src="cid:image001.png@01D1B20E.D83ABF30"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt">3. This code in function "</span><span lang="EN-US">
</span><span lang="EN-US" style="font-size:22.0pt">setup_half_ipsec_sa ". what this key use for ? This enckey and authkey is the last encap key ? If it isn't , How does the last key produce using this key? why two sa have this key and have value ,but other
two sa is NULL in previous picture?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt;color:red">My english is poor ,thank you for your help. thank you very much.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:22.0pt"><img width="975" height="195" id="图片_x0020_2" src="cid:image002.png@01D1B211.B3BAB180"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><img width="1256" height="222" id="图片_x0020_3" src="cid:image003.png@01D1B211.B3BAB180"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt">hongbowang</span><span style="font-size:10.0pt;font-family:宋体">（王洪波）</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:宋体">分机号：</span><span lang="EN-US">0755-86013388-85880<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:宋体">电话：</span><span lang="EN-US" style="font-size:10.0pt">13544015836</span><span lang="EN-US"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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