#
# OpenSSL configuration for the Root Certification Authority.
#

#
# This definition doesn't work if HOME isn't defined.
CA_HOME                 = .
RANDFILE                = $ENV::CA_HOME/private/.rnd

#
# Default Certification Authority
[ ca ]
default_ca              = root_ca

#
# Root Certification Authority
[ root_ca ]
dir                     = $ENV::CA_HOME
certs                   = $dir/certs
serial                  = $dir/root-ca.serial
database                = $dir/root-ca.index
new_certs_dir           = $dir/newcerts
certificate             = $dir/root-ca.cert.pem
private_key             = $dir/private/root-ca.key.pem
default_days            = 1826 # Five years
crl                     = $dir/root-ca.crl
crl_dir                 = $dir/crl
crlnumber               = $dir/root-ca.crlnum
name_opt                = multiline, align
cert_opt                = no_pubkey
copy_extensions         = copy
crl_extensions          = crl_ext
default_crl_days        = 180
default_md              = sha256
preserve                = no
email_in_dn             = no
policy                  = policy
unique_subject          = no

#
# Distinguished Name Policy for CAs
[ policy ]
countryName             = optional
stateOrProvinceName     = optional
localityName            = optional
organizationName        = supplied
organizationalUnitName  = optional
commonName              = supplied

#
# Root CA Request Options
[ req ]
default_bits            = 4096
default_keyfile         = private/root-ca.key.pem
encrypt_key             = yes
default_md              = sha256
string_mask             = utf8only
utf8                    = yes
prompt                  = no
req_extensions          = root-ca_req_ext
distinguished_name      = distinguished_name
subjectAltName          = @subject_alt_name

#
# Root CA Request Extensions
[ root-ca_req_ext ]
subjectKeyIdentifier    = hash
subjectAltName          = @subject_alt_name

#
# Distinguished Name (DN)
[ distinguished_name ]
organizationName        = example.net
commonName              = example.net Root Certification Authority

#
# Root CA Certificate Extensions
[ root-ca_ext ]
basicConstraints        = critical, CA:true
keyUsage                = critical, keyCertSign, cRLSign
nameConstraints         = critical, @name_constraints
subjectKeyIdentifier    = hash
subjectAltName          = @subject_alt_name
authorityKeyIdentifier  = keyid:always
issuerAltName           = issuer:copy
authorityInfoAccess     = @auth_info_access
crlDistributionPoints   = crl_dist

#
# Intermediate CA Certificate Extensions
[ intermed-ca_ext ]
basicConstraints        = critical, CA:true, pathlen:0
keyUsage                = critical, keyCertSign, cRLSign
subjectKeyIdentifier    = hash
subjectAltName          = @subject_alt_name
authorityKeyIdentifier  = keyid:always
issuerAltName           = issuer:copy
authorityInfoAccess     = @auth_info_access
crlDistributionPoints   = crl_dist

#
# CRL Certificate Extensions
[ crl_ext ]
authorityKeyIdentifier  = keyid:always
issuerAltName           = issuer:copy

#
# Certificate Authorities Alternative Names
[ subject_alt_name ]
URI                     = http://ca.example.net/
email                   = certmaster@example.net

#
# Name Constraints
[ name_constraints ]
permitted;DNS.1         = example.net
permitted;DNS.2         = example.org
permitted;DNS.3         = lan
permitted;DNS.4         = onion
permitted;email.1       = example.net
permitted;email.2       = example.org

#
# Certificate download addresses for the root CA
[ auth_info_access ]
caIssuers;URI           = ROOTCRT

#
# CRL Download address for the root CA
[ crl_dist ]
fullname                = URI:ROOTCRL