# /etc/strongswan.conf - strongSwan configuration file swanctl { load = pem pkcs1 x509 revocation constraints pubkey openssl random } charon { dh_exponent_ansi_x9_42 = no load = sha1 sha2 md5 aes des hmac pem pkcs1 x509 revocation constraints pubkey gmp random nonce curl kernel-netlink socket-default resolve updown vici }