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Creating an OpenSSL configuration file

The OpenSSL configuration file contains X.509 extensions for generating and signing certificate requests.

  1. Run the following command:

    • nano /etc/certs/openxpki_democa/openssl.conf

    Note:  If your server is reachable using the fully qualified domain name (FQDN), then use the DNS of the server instead of its IP address.

    Sample file

    # x509_extensions               = v3_ca_extensions
# x509_extensions               = v3_issuing_extensions
# x509_extensions               = v3_datavault_extensions
# x509_extensions               = v3_scep_extensions
# x509_extensions               = v3_web_extensions
# x509_extensions               = v3_ca_reqexts # not for root self-signed, only for issuing
## x509_extensions              = v3_datavault_reqexts # not required self-signed
# x509_extensions               = v3_scep_reqexts
# x509_extensions               = v3_web_reqexts

[ req ]
default_bits            = 4096
distinguished_name      = req_distinguished_name

[ req_distinguished_name ]
domainComponent         = Domain Component
commonName              = Common Name

[ v3_ca_reqexts ]
subjectKeyIdentifier    = hash
keyUsage                = digitalSignature, keyCertSign, cRLSign

[ v3_datavault_reqexts ]
subjectKeyIdentifier    = hash
keyUsage                = keyEncipherment
extendedKeyUsage        = emailProtection

[ v3_scep_reqexts ]
subjectKeyIdentifier    = hash

[ v3_web_reqexts ]
subjectKeyIdentifier    = hash
keyUsage                = critical, digitalSignature, keyEncipherment
extendedKeyUsage        = serverAuth, clientAuth

[ v3_ca_extensions ]
subjectKeyIdentifier    = hash
keyUsage                = digitalSignature, keyCertSign, cRLSign
basicConstraints        = critical,CA:TRUE
authorityKeyIdentifier  = keyid:always,issuer

[ v3_issuing_extensions ]
subjectKeyIdentifier    = hash
keyUsage                = digitalSignature, keyCertSign, cRLSign
basicConstraints        = critical,CA:TRUE
authorityKeyIdentifier  = keyid:always,issuer:always
crlDistributionPoints   = URI:https://FQDN of your system/openxpki/CertEnroll/MYOPENXPKI.crl
authorityInfoAccess     = caIssuers;URI:https://FQDN of your system/download/MYOPENXPKI.crt

[ v3_datavault_extensions ]
subjectKeyIdentifier    = hash
keyUsage                = keyEncipherment
extendedKeyUsage        = emailProtection
basicConstraints        = CA:FALSE
authorityKeyIdentifier  = keyid:always,issuer

[ v3_scep_extensions ]
subjectKeyIdentifier    = hash
basicConstraints        = CA:FALSE
authorityKeyIdentifier  = keyid,issuer

[ v3_web_extensions ]
subjectKeyIdentifier    = hash
keyUsage                = critical, digitalSignature, keyEncipherment
extendedKeyUsage        = serverAuth, clientAuth
basicConstraints        = critical,CA:FALSE
subjectAltName          = DNS:FQDN of est server
crlDistributionPoints   = URI:https://FQDN of your system/openxpki/CertEnroll/MYOPENXPKI_ISSUINGCA.cr
authorityInfoAccess     = caIssuers;URI:https://FQDN of your system/download/MYOPENXPKI_ISSUINGCA.crt

  2. Replace the IP address and CA certificate name with your setup information.

  3. Save the file.
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