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<p class=MsoNormal><span lang=EN-US>As Paul requested, I’ll state what I
did to switch klips to kernel cryptoapi. I’ve changed settings on
defconfig and created a new file for def_include. I’ll attach both of them
for references. This was done on Ubuntu 9.04.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Download openswan-2.6.24rc1.tar.gz and
extract it. Enter openswan-2.6.24rc1 directory and:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>cp packaging/linus/config-all.h
packaging/linus/ubuntu9.h<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Edit packaging/linus/ubuntu9.h to match the
file attached. Basically, those are the changes made:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>define CONFIG_KLIPS_AH 0<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>define CONFIG_KLIPS_ENC_3DES 0<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>define CONFIG_KLIPS_ENC_AES 0<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>define CONFIG_KLIPS_ENC_CRYPTOAPI 1<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>This is important: I had to add those lines
to the file or the module would compile but fail to load:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>#undef CONFIG_KLIPS_ENC_3DES<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>#undef CONFIG_KLIPS_ENC_AES<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>#undef CONFIG_KLIPS_AH<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Edit linux/net/ipsec/defconfig to match the
file attached. What I changed was:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CONFIG_KLIPS_AH=n<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CONFIG_KLIPS_ENC_3DES=n<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CONFIG_KLIPS_ENC_AES=n<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US>CONFIG_KLIPS_ENC_CRYPTOAPI=y<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Compile and install the module with:<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>make module
KERNELSRC=/lib/modules/2.6.28-15-generic/build/
MODULE_DEF_INCLUDE=/usr/src/openswan/openswan-2.6.24rc1/packaging/linus/ubuntu9.h
MODULE_DEFCONFIG=/usr/src/openswan/openswan-2.6.24rc1/linux/net/ipsec/defconfig<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>make minstall
KERNELSRC=/lib/modules/2.6.28-15-generic/build/
MODULE_DEF_INCLUDE=/usr/src/openswan/openswan-2.6.24rc1/packaging/linus/ubuntu9.h
MODULE_DEFCONFIG=/usr/src/openswan/openswan-2.6.24rc1/linux/net/ipsec/defconfig<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Remember to change KERNELSRC to the correct
location of your kernel headers and MODULE_DEF_INCLUDE and MODULE_DEFCONFIG to
the location of the files edited above. I’m not covering compiling the
userland or configuring ipsec.conf here, but you’ll need David McCullough
NAT-T patches to get it working with l2tp/ipsec.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US>Hope it helps,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Giovani</span><span
lang=EN-US><o:p></o:p></span></p>
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