Authentication methods

Hello,

We are in the process of converting our authentication method from User name and Password to Smart Card (User keys). We have hundreds of users and I need a way to populate the Key field for each user automatically. Is there such a DXL? I have an Excel file with the user name and the Key and will need a way to read the DXL and populate the Key for each user. Can someone please assist? We have hundreds of users and this will be a huge time saver.

Thanks so much!!!