[strongSwan] Does StrongSwan use AES-NI instructions on x86 systems?

[Li, Charlie]

Hi All,

I use Ubuntu14.04/StrongSwan 5.1.2 to set up a IPSec gateway in tunnel mode.

My question is - does it take advantage of the special AES-NI instructions or just use regular assembly to do the encryption/decryption like AES128-CBC?

http://en.wikipedia.org/wiki/AES_instruction_set

Thanks,
Charlie
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