This article describes how to create a trust store that is used by the Nexus OCSP Responder.

The trust store is a file containing certificates for all trusted CAs – the trust anchors. The immediate issuers of the certificates and CRLs/CILs, that certificate status requests are made for, always need to be present in the trust store.

To create a trust store, use the command line tool certadm, located in the /bin directory, relative to the directory where Nexus OCSP Responder is installed. See certadm commands below for more information.

Create a trust store in Windows

This is an example work flow on how to create a trust store and perform some common commands. When you have created the trust store or performed updates, you must restart Nexus OCSP Responder to make the updates take effect, that is, to be inserted into the cache.

• Create an empty trust store.

  certadm new --store="C:\ProgramFiles\Nexus\OCSP Responder\certs\trust.store" certadm new --store=..\certs\trust.store

Examples:

• Add the certificate located in the file newCA.crt to the trust store.

  certadm add --store=../certs/trust.store --file=newCA.crt

• List the contents of the trust store.

  certadm list --store=../certs/trust.store

  Example of a list result:

• Example: Extract the certificate of the second issuer in this list to the file A.crt.

• Example: Delete the certificate of the first issuer in the list.

Specify the trust store in OCSP configuration file

1. In the OCSP configuration file, specify as follows:

   See this table for description of constants and values:

certadm commands

These are some useful certadm commands:

See this table for explanations of the commands: