Encryption and Decryption in Configuration in Magento 2
If you are working with APIs or any secret keys, than you will need to encrypt those keys and store it in Configuration (core_config_data) instead of in a visible form. Below are the steps to do that, 1) Encryption: In your Namespace/Module/etc/adminhtml/system.xml, you need to add a class inside backend_model tag that does the encryption, […]