[ req ] default_md = sha512 string_mask = utf8only utf8 = yes distinguished_name = req_dn req_extensions = req_ext x509_extensions = x509_ext [ req_dn ] [ req_ext ] [ x509_ext ] basicConstraints = CA:TRUE, pathlen:5 keyUsage = keyCertSign subjectKeyIdentifier = hash authorityKeyIdentifier = keyid:always subjectAltName = dirName:san_dir [ san_dir ] CN = ACME Wheel C = FI O = ACME Alternative Ltd.