How to achieve credit card tokenization process in cloud.

Summary:

We are migrating from r12 to fusion expenses where r12 currently allow and process files with full card number where as Cloud requires (Masking/tokenization) if we get these files from service provider these tokenization can be done but if our source is EBS then how we can do the tokenization for visa files and process in the cloud? any idea how to achieve this process from r12 to Cloud migration?

Content (required):

Credit card toeknization

Version (include the version you are using, if applicable):

R12 Cloud

Code Snippet (add any code snippets that support your topic, if applicable):