# /etc/strongswan.conf - strongSwan configuration file swanctl { load = pem pkcs1 x509 revocation constraints pubkey openssl random } charon-systemd { load = random nonce sha1 sha2 aes curve25519 hmac mgf1 pem pkcs1 x509 revocation constraints pubkey gmp curl kernel-netlink socket-default updown vici rsa_pss = yes }