Thank you for your question, @aminarais! An agent is looking into this and will get back to you soon. If any community members have information that may help, please feel free to share it here.
You can use our Visa Developer Center Playground tool guide for encryption/decryption. Here's the link: https://developer.visa.com/pages/visa-developer-center-playground
Here's information on message level encryption: https://developer.visa.com/pages/encryption_guide