1.8 Maintain SWIFT LAU Key

This topic explains systematic instructions to maintain the SWIFT LAU key.

Through the SWIFT LAU Key Maintenance screen, maintain SWIFT authentication parameters. This screen can be accessed from the Head office only. The EMS module refers to SWIFT LAU maintenance data for calculating checksum for outbound and authentication of inbound messages. HMAC-SHA256 algorithm validation will be used to calculate the checksum and ensure the integrity of messages exchanged with SWIFT.

Note:

The fields which are marked in asterisk are mandatory.

1. On Homescreen, type MSDLAUMN in the text box, and click Next.
   The SWIFT LAU Key Maintenance screen displays.

   Figure 1-9 SWIFT LAU Key Maintenance

   
   

   
   Description of "Figure 1-9 SWIFT LAU Key Maintenance"

   
   
2. On the SWIFT LAU Key Maintenance screen, specify the fields.

   For more information on fields, refer to the field description table.

   Table 1-13 SWIFT LAU Key Maintenance - Field Description

   Field	Description
   Host Code	Click Search and specify the Host Code from the list of values.
   Description	The system displays the description of the host code.
   SWIFT LAU Required	Check this box to enable SWIFT local authentication in the bank. If this checkbox is checked then all other parameters in this screen are mandatory.
   Key First Part	Specify the first part of the key. The length of the key must be in sixteen hexadecimal characters.
   Key Second Part	Specify the second part of the key. The length of the key must also be in sixteen hexadecimal characters.
   Message Direction	Select the direction of the message from the drop-down list based on the key maintained for the SWIFT message: Incoming Outgoing

3. Click Exit to end the transaction.