strongswan-ext/testing/tests/ikev2/alg-aes-ctr/hosts/carol/etc/strongswan.conf

# /etc/strongswan.conf - strongSwan configuration file

charon {
  load = random nonce aes sha1 sha2 md5 pem pkcs1 curve25519 gmp x509 curl revocation xcbc ctr stroke kernel-netlink socket-default updown
}