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docs/tls_docs/ca/root.cnf
2025-11-07 03:44:26 +00:00

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INI

[ ca ]
# `man ca`
default_ca = CA_default
[ CA_default ]
# Default directory locations (make sure to properly set the dir option as it dictates the rest of the other options)
dir = /path/to/root_ca
certs = $dir/certs
crl_dir = $dir/crl
new_certs_dir = $dir/newcerts
database = $dir/index.txt
serial = $dir/serial
RANDFILE = $dir/private/.rand
# The root key and root certificate.
private_key = $dir/private/root.key
certificate = $dir/certs/root.crt
# For certificate revocation lists.
crlnumber = $dir/crlnumber
crl = $dir/crl/ca.crl
crl_extensions = crl_ext
default_crl_days = 30
default_md = sha256
name_opt = ca_default
cert_opt = ca_default
default_days = 375
preserve = no
policy = policy_strict
[ policy_strict ]
# policy_strict sets the root CA to sign certificates for intermediate CAs
# POLICY FORMAT section of "man ca" has more info
countryName = match
stateOrProvinceName = match
organizationName = match
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ policy_loose ]
# Allow the intermediate CA to sign a more diverse range of certificates
# See the POLICY FORMAT section of the "man ca"
countryName = optional
stateOrProvinceName = optional
localityName = optional
organizationName = optional
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ req ]
# `req` options. See "man req" for more info
default_bits = 2048
distinguished_name = req_distinguished_name
string_mask = utf8only
default_md = sha256
x509_extensions = v3_ca
[ req_distinguished_name ]
countryName = Country Name (2 letter code)
stateOrProvinceName = State or Province Name
localityName = Locality Name
0.organizationName = Organization Name
organizationalUnitName = Organizational Unit Name
commonName = Common Name
emailAddress = Email Address
# Defaults
countryName_default = US
stateOrProvinceName_default = State/Province
localityName_default = City
0.organizationName_default = Your Org
organizationalUnitName_default = Your OU
emailAddress_default =
[ v3_ca ]
# Normal CA extensions. "man x509v3_config" has more info.
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always,issuer
basicConstraints = critical, CA:true
keyUsage = critical, digitalSignature, cRLSign, keyCertSign
[ v3_intermediate_ca ]
# Extensions for a typical intermediate CA "man x509v3_config"
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid:always,issuer
basicConstraints = critical, CA:true, pathlen:0
keyUsage = critical, digitalSignature, cRLSign, keyCertSign
[ crl_ext ]
# CRL extensions if needed. See "man x509v3_config" for more info
authorityKeyIdentifier=keyid:always
[ ocsp ]
# If OCSP is needed. See "man ocsp" for more info.
basicConstraints = CA:FALSE
subjectKeyIdentifier = hash
authorityKeyIdentifier = keyid,issuer
keyUsage = critical, digitalSignature
extendedKeyUsage = critical, OCSPSigning