[strongSwan] Does strongswan (5.0.4) have any options to cache and reuse the diffie-hellman keys?

[Chinmaya Dwibedy]

Hi,
The  Diffe Hellman
exchange consists of CPU-intensive operations like key-pair generation and
shared-secret generation. Does  strongswan (5.0.4) have any options to cache
and reuse the diffie-hellman keys for enhanced IKE setup rate?
 
Thanks in advance for your support and help.
 
Regards,
Chinmaya
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