Network Deployment (Distributed operating systems), v8.0 > Secure applications and their environment > Authenticate users > Select an authentication mechanism > Configure LTPA and working with keys > 3. Import and export keys.
Export Lightweight Third Party Authentication keys
To support single sign-on (SSO) in WAS across multiple WAS domains or cells, share the Lightweight Third Party Authentication (LTPA) keys and the password among the domains. Make sure that the time in the domains is similar so that you do not mistakenly interpret the tokens as expired between the cells.
Complete the following steps in the admin console to export key files for LTPA so that they can be shared across domains:
Procedure
- Type http://server_name
port_number/ibm/console in a web browser to access the admin console.
- Click Security > Global security > Authentication mechanisms and expiration .
- Click LTPA.
- In the Password and Confirm password fields, enter the password used to encrypt the LTPA keys. Remember the password so that you can use it later when the keys are imported into the other cell.
- In the Fully qualified key file name field, specify the fully qualified path to the location where you want the exported LTPA keys to reside. We must have write permission to this file.
- Click Export keys to export the keys to the location specified in the Fully qualified key file name field.
- Specify the Internal server ID used for interprocess communication between servers. The server ID is protected with an LTPA token when sent remotely. We can edit the internal server ID to make it identical to server IDs across multiple application server administrative domains (cells). By default this ID is the cell name.
- Click OK and Save.
Results
We can share LTPA keys and passwords among domains on WAS.LTPA keys that are exported to a file should be readable in an ASCII editor like Notepad.
What to do next
After exporting the keys from one cell, import those keys into the other cell. If the other cell is on a separate system, ftp the key file in binary format. See Import Lightweight Third Party Authentication keys
Lightweight Third Party Authentication key sets and key set groups
Generate Lightweight Third Party Authentication keys
Import Lightweight Third Party Authentication keys
Disable automatic generation of Lightweight Third Party Authentication keys
Change the number of active LTPA keys