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Before being able to enable SSL on WebSphere, you need to have your own certificate. This certificate can be a self-certificate for testing purpose but in any production case, you should have a certificate issued by a Trusted CA. The following steps describe how to get your own certificate.
Creating a keystore
A keystore is where your private key will be saved, in a secure way, and the certificate belongs to it. This keystore can be created either with the SUN keytool or with ikeyman a tool from IBM that is distributed with WebSphere Advanced Single Server Edition 4.0.
Starting ikeyman tool
The command to start it is:
Once it is started, the following screen appears:
Specifying a keystore
From the main application, you can either use an existing keystore or create a new one. In the example below we want to create a new keystore that will be used only by WebSphere.
In the IBM Key Management console, select the option Key Database File/New. A dialog box will appear:
The options are:
|Key database type||JKS|
|File Name||The name of the keystore. In the example: .keystore|
|Location||The location of the keystore. In the example: /usr/bin/java/websphere/bin|
Creating a certificate request
You first need to create a certificate request before getting your certificate. The certificate request is created in Create/New SSL Certificate Request. A new dialog box will appear where you are asked to enter some information.
The options are:
... Organization name.
|Key Label||A name that identify the request in list screen. For instance, sitecert|
|Key Size||Use the default value of 2048|
|Common Name||This is the Fully Qualified Domain Name, this is what will be in the URL after (but not including) the 'http://' and before the next '/'. |
|Organization Unit||The Organizational Unit. Example R&D|
|Locality||The locality of your organization. Example Manchester|
|State/Province||The province of your organization. Example Salford Quays|
|The country of your organization. Example GB|
|Request file name||This is the name of the file where your CSR will be created.|
In the example: /usr/bin/java/websphere/bin/certreq.arm
Now click on OK to generate your request. When the request is created, a key pair is also generated (a private key only stored in the keystore and a public key stored in the certificate you receive). If the request is successfully created, a dialog should inform you about it:
You will need the contents of this file when applying for your certificate.