The current CA Payment Security PGP Public key in your system will expire on March 6, 2019. Customers may not be able to use this key for encrypting data upload files after this date, thus impacting the ability to upload cardholder data.
A CA Payment Security PGP keys are used by CA Payment Security customers to encrypt cardholder data files prior to being consumed by CA Payment Security (Transaction Manager) solution. These cryptographic keys used in a PCI environment and are required to be changed every few years to limit the risk that the keys can be compromised or stolen. This article details the need for customers to update CA Payment Security PGP Public key that will expire on March 6, 2019.