[ req ]
distinguished_name = req_distinguished_name
prompt             = no
x509_extensions    = constraints

[ req_distinguished_name ]
C             = US
ST            = Montana
L             = Bozeman
O             = Sawtooth
OU            = Consulting
CN            = www.wolfssl.com
emailAddress  = info@wolfsssl.com

[constraints]
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid:always,issuer:always
basicConstraints=CA:TRUE
nameConstraints=critical,permitted;dirName:dir_name

[dir_name]
countryName = US