Message-Level Encryption Keys
Message-Level Encryption keys are required to send MLE encryption to message between the
merchant and the
Cybersource
. To create an MLE key, go to the Business Center
.Key information:
- Message-level encryption keys expire after 3 years.
- Security keys can be used to make any request, including payments. Treat your security keys as you would any secure password.
- You must use separate keys for the test and production environments.