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Basic Configuration

In order for Common Access Card (CAC) authentication to work, SSL must be enabled on the authentication server.:

server.ssl.enabled=true

Next, you need to enable certificate authentication.:

authentication.certificate.enabled=true

The next step is to configure which part of the subject DN (distinguished name) will be used as the username (authentication.certificate.username.template), and which part will be displayed in the login screen (authentication.certificate.displayname.template).

Both of these values default to using (CN)

Configure username

authentication.certificate.username.template=(CN)

The template can contain ASCII characters as well as placeholders in parenthesis that are replaced with relative distinguished name (RDN) values from the DN (if the username is constructed from the Subject Distinguished Name) or SAN (if the username is constructed from the Subject Alternative Name). 

For example, when the subject DN or SAN (of type 4) on the certificate is CN=JohnDoe,O=MyCompany,C=GB:

Template: (CN), username: JohnDoe

Template: (O)-(CN), username: MyCompany-JohnDoe

Template: CERT_(CN), username: CERT_JohnDoe

Configure the value displayed in the login button

To configure the value displayed in the login button, we must edit the authenticationthe authentication.certificate.displayname.template property.

authentication.certificate.displayname.template=(CN)

For example, as shown in the picture above, when the subject DN or SAN (of type 4) on the certificate is CN=JohnDoe,O=MyCompany,C=GB, and the display template is (CN) CERTIFICATE, the button will display „JOHNDOE CERTIFICATE“.

For a list of all the advanced properties available for configuration, please refer to Authentication by certificate.  

TrustStore Configuration

CAC integration requires that a truststore containing the Certificate Authority (CA) certificates that issue the user's certificates would exist. This truststore by default can be found under AuthServer/config/. 

The following parameter properties need to be configured:

server.ssl.trust-store=config/truststore.jks
server.ssl.trust-store-type=JKS
server.ssl.trust-store-password=secret
server.ssl.client-auth=want

In a directory, named truststore, under AuthServer/config/ place all the CA certificates. Upon startup of the authentication server, if truststore.jks does not exist, it will be created by importing the CA certificates located in Authserver/config/truststore.  If you make changes to the certificates in the truststore directory, delete truststore.jks and restart the authentication service.  This will recreate the truststore with the current set of CA certificates.

For a list of all the advanced properties available for configuration, please refer to General parameters.

Certificate Revocation List

The authentication server supports 2 methods of handling certificate revocation lists - via a URL, or via a local list stored in the file system. To enable this feature, uncomment either authenticationeither authentication.certificate.revocation.list.url or authentication or authentication.certificate.revocation.list.file, and point it to the location of the revocation list.

authentication.certificate.revocation.list.url=http://someserver.somedomain.com/revocation.lst
authentication.certificate.revocation.list.file=/opt/local/revovcation.lst