Using Self-Signed Certificates

The following pages illustrate how to act as your own Certificate Authority (CA) and create self-signed certificates by the example of OPC UA client certificates for the OPC UA Datasource (the OPC UA client).

During the process of creating self signed certificates your are acting in two different roles. On the one hand, there are steps which you execute as the Requesting Party, while you are acting as the Certificate Authority (often referred to as CA) when reacting to the aforementioned steps.

Most of the configuration steps addressed in this section are done inside the PowerShell command line interface. In the command lines shown on the following pages 'PS>' represents the PowerShell command prompt.

In production environments, it is essential to make use of security best practices when handling certificates and sensitive data.

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Several things need to be prepared before certificates can be created.

Then the certificate can be