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    Message Level Encryption
    Message-Level Encryption (MLE) enables you to store information or communicate with
                other parties while helping to prevent uninvolved parties from understanding the
                stored information. MLE is optional and supported only for payments services. A REST
                certificate is required for MLE.
Follow these steps to enable MLE,:
- CheckMessage Level Encryption.
 - Enter theKey Directory Pathwhere you have stored the certificate in yourWooCommerce/WordPress environment.
 - Enter theKey File Name.
 - Enter theKey Passwordwhich you set when generating the REST certificate.