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How to

How to


Products: AS-B, Edge Server, Enterprise Central, Enterprise Server, AS-P, Virtual Project Servers
Functionalities: Security
Product version: 2023, 2024
3/24/2023

Converting CRT or CER files

You must convert any CRT or CER files to PEM. EcoStruxure BMS only supports PEM format.

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Use this workflow to purchase, convert and install CA server certificates using WorkStation.

Related information can be found in the sections after the flowchart.

 
action_zoom_plus_stroke Server certificate workflow
Figure: Server certificate workflow
Configure the DNS name for the EcoStruxure BMS server

You must configure the DNS name for the EcoStruxure BMS server to prevent the certificate from being locked down to a specific IP.

Install OpenSSL

Download and install OpenSSL.

OpenSSL is a software library for applications that secure communications over computer networks against eavesdropping or need to identify the party at the other end.

OpenSSL is used when you generate a Certificate Signing Request (CSR). OpenSSL is also used when converting CRT or CER files to PEM files.

Generate a Certificate Signing Request (CSR)

Before you can order an SSL Certificate, you will need to generate a CSR if you want to generate your private key yourself.

The CSR contains information, for example, common name, organization, and country, that the Certificate Authority (CA) will use to create your certificate. It CSR also contains the public key that will be included in your certificate and is signed with the corresponding private key.

For more information, see Generating a Certificate Signing Request (CSR) .

Purchase the CA certificate

Purchase SSL certificate through a certificate authority. Provide the created CSR to the certificate authority.

You then receive the certificate in CRT, CER or PEM format.

Convert CRT or CER files to PEM files

EcoStruxure BMS only supports PEM format. You must convert all CRT or CER files to PEM.

For more information, see Converting CRT or CER files .

Add the Certificate

Add the certificate to the EcoStruxure BMS server.

For more information, see Adding a Certificate using WorkStation .

Activate the Certificate

Activate the certificate.

For more information, see Activating a Certificate Using WorkStation .

Verify the Connection

Verify that the connection to WebStation is secure by accessing the EcoStruxure BMS server via HTTPS.

To converting CRT or CER files

  1. Open SSL using the Command Prompt.

  2. Type "openssl rsa -inform pem -in filename.key -out filename prv"

See Also

  • Certificates
  • WorkStation Server CA Certificate Workflow
  • Generating a Certificate Signing Request (CSR)
  • Converting CRT or CER files