# Download Encryption Key
source: https://developer.mastercard.com/pay-with-rewards/tutorial/production-access/step4/index.md

## Download Encryption Key {#download-encryption-key}

1. After the production environment is provisioned, navigate to **My Projects** and select your project.
2. Click on manage under **Client Encryption Keys** and click the **Download** to download the client encryption key. ![Production Keys APIs](https://static.developer.mastercard.com/content/pay-with-rewards/img/tutorial/prodkeys.png)
3. The Client Encryption key will be used to encrypt the request and Mastercard Encryption key will be used to decrypt the response.

Note: **Mastercard Encryption Keys** will be automatically downloaded upon project creation.