Value of the Registered Application Provider Identifier (RID) unique to the payment system.
Registered Application Provider Identifier (RID) value defined by the ISO 7816-5 standard for uniquely registering such providers. This value is unique to the Payment System involved and must be known by the 3DS Requestor App so that it may be passed to the SDK on when it invokes the createTransaction method within the SDK. Used to identify the DirectoryServerCert for the given DS which is used by the SDK to encrypt the Device Information. Required when DirectoryServerCert is an EC key.