Skip to content

Instantly share code, notes, and snippets.

@foreverzmy
Last active August 15, 2024 01:01
Show Gist options
  • Save foreverzmy/0b07d3a731d70519e35ced070118e3fe to your computer and use it in GitHub Desktop.
Save foreverzmy/0b07d3a731d70519e35ced070118e3fe to your computer and use it in GitHub Desktop.
# OpenSSL root CA configuration file.
# Copy to `./root/openssl.cnf`.
[ ca ]
# `man ca`
default_ca = CA_default
[ CA_default ]
# Directory and file locations.
dir = ./root
new_certs_dir = $dir
database = $dir/index.txt
serial = $dir/serial
# The root key and root certificate.
private_key = $dir/ca.key.pem
certificate = $dir/ca.cert.pem
policy = policy_strict
[ policy_strict ]
# The root CA should only sign intermediate certificates that match.
# See the POLICY FORMAT section of `man ca`.
countryName = match
stateOrProvinceName = match
organizationName = match
organizationalUnitName = optional
commonName = supplied
emailAddress = optional
[ req ]
# Options for the `req` tool (`man req`).
default_bits = 2048
distinguished_name = req_distinguished_name
string_mask = utf8only
# Extension to add when the -x509 option is used.
x509_extensions = v3_ca
[ req_distinguished_name ]
# See <https://en.wikipedia.org/wiki/Certificate_signing_request>.
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
[ v3_ca ]
# Extensions for a typical CA (`man x509v3_config`).
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
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment