[ req ] default_bits = {{ CA_ROOT.key_bits }} default_md = sha256 prompt = no distinguished_name = dn x509_extensions = v3_ca [ dn ] C = {{ CA_ROOT.subject.C }} O = {{ CA_ROOT.subject.O }} OU = {{ CA_ROOT.subject.OU }} CN = {{ CA_ROOT.subject.CN }} [ v3_ca ] basicConstraints = critical,CA:TRUE,pathlen:1 keyUsage = critical,keyCertSign,cRLSign subjectKeyIdentifier = hash authorityKeyIdentifier = keyid:always,issuer