AuthenticationCAVVAlgorithm Property
Indicates the algorithm used to generate the AuthenticationCAVV value.
Syntax
mpi.getAuthenticationCAVVAlgorithm([callback])
Default Value
""
Callback
The 'callback' parameter specifies a function which will be called when the operation completes (or an error is encountered). If the 'callback' parameter is not specified, then the method will block and will not return until the operation completes (or an error is encountered).
The callback for the getAuthenticationCAVVAlgorithm([callback]) method is defined as:
function(err, data){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'data' is the value returned by the method.
The callback for the setAuthenticationCAVVAlgorithm([callback]) method is defined as:
function(err){ }
'err' is the error that occurred. If there was no error, then 'err' is 'null'.
'err' has 2 properties which hold detailed information:
err.code err.message
Remarks
This property is determined by the Access Control Server (ACS), and is filled after receiving a response to a Payer Authentication Request (PAReq). This property contains the one digit value which indicates the algorithm used by the ACS to generate the Cardholder Authentication Verification Value (CAVV), stored in the AuthenticationCAVV property. Valid algorithms include:
0 | HMAC (as per SET TranStain) |
1 | CVV |
2 | CVV with ATN |
3 | MasterCard SPA algorithm |
The data contained within this property is only valid if the AuthenticationStatus is "Y" or "A". Additional values may be defined at any time. All user implementations must accept any value for this field.
This property is read-only and not available at design time.
Data Type
String