[ req ] default_bits = 4096 distinguished_name = req_distinguished_name prompt = no string_mask = utf8only x509_extensions = myexts [ req_distinguished_name ] #O = Unspecified company CN = Build time autogenerated kernel key #emailAddress = unspecified.user@unspecified.company [ myexts ] basicConstraints=critical,CA:FALSE keyUsage=digitalSignature subjectKeyIdentifier=hash authorityKeyIdentifier=keyid