[strongSwan] Path of Execution

Chris Rogers crogers122 at gmail.com
Sat Jul 14 20:04:30 CEST 2012


So over the past few weeks, I've been perusing through the StrongSwan
source, trying to get a better understanding of how a packet actually gets
encrypted, and then transmitted.  I'm still working in a *BSD environment,
and it would help me greatly if someone could shed light on the following:

- What libraries are called first to initiate encryption?
- In BSD, Kernel-Pfkey is responsible for interfacing with the kernel, but
where are the calls to kernel level encryption functions?

As of now, I'm only concerned with ESP.  Thanks for the help.

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