[Swan-dev] Can Libreswan be used only for IKEv2 negotiation and not for IPsec?

Paul Wouters paul at nohats.ca
Mon Apr 25 22:27:39 EEST 2022

This is done automatically for CPU hardware and with nic-offload=yes for NIC hardware.


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> On Apr 25, 2022, at 20:37, Balaji Thoguluva <tbbalaji at gmail.com> wrote:
> Hi Folks,
> I would like to know if I could use Libreswan just for IKEv2 negotiation alone and assuming after successful IKEv2 negotiation, perform the IPsec encryption/decryption using proprietary hardware since it is a CPU intensive operation?
> If yes, do you have any reference to the API's in the source code that will export the negotiated IPsec SA parameters to the user?
> Also any reference to guidelines on how to achieve this?
> Thanks,
> Balaji
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