|
Command: |
Validate the S1 MAC for load and unload transactions. |
|
Notes: |
Use of this command requires the optional ESP licence. Error code 67 will be returned if the command is not licensed. |
|
Field |
Length & Type |
Details | |
|
COMMAND MESSAGE |
|||
|
Message Header |
m A |
Will be returned to the Host unchanged |
|
|
Command Code |
2 A |
Value “U4” |
|
|
*KML |
32 H or 1A+32H |
Double length KML encrypted under LMK pair 20-21 variant 1 |
|
|
IDCEP |
6 B |
The CEP Card Identifier. Used to create the *KDL |
|
|
NTCEP |
2 B |
The transaction number assigned by the Load Acquirer |
|
|
TI |
1 B |
Transaction Indicator |
|
|
DTHRLDA |
5 B |
Transaction date and time |
|
|
CURRLDA |
3 B |
The Currency Code |
|
|
IDLACQ |
4 B |
Load Acquirer ID |
|
|
IDLDA |
6 B |
The Identifier for the Load Device |
|
|
MLDA |
4 B |
The Transaction amount |
|
|
NTLASTLOAD |
2 B |
Transaction number of last load |
|
|
NTLASTCANCEL |
2 B |
Transaction number of last cancel |
|
|
CSTATCEP |
2 B |
Card Status |
|
|
TLfailCEP |
1 B |
Tag and length of failed update |
|
|
DEXPCEP |
3 B |
Expiry date of the card, YYMMDD |
|
|
BALCEP |
4 B |
Balance of slot prior to completion |
|
|
BALmaxCEP |
4 B |
Maximum balance of the slot |
|
|
PVSCEP |
1 B |
PIN verification status |
|
|
S1 |
8 B |
Signature for verification |
|
|
End Message Delimiter |
1 C |
Optional. Must be present if a message trailer is present. Value X'19 |
|
|
Message Trailer |
n A |
Optional. Maximum length 32 characters |
|
|
|
|
|
|
|
Field |
Length & Type |
Details |
|
RESPONSE MESSAGE |
||
|
Message Header |
m A |
Will be returned to the Host unchanged |
|
Response Code |
2 A |
Value "U5" |
|
Error Code |
2 N |
00 - No error. S1 validated successfully 01 - S1 validation failed. 10 - KML parity error 12 - No keys loaded in user storage 13 - LMK error - report to Supervisor 15 - Error in input data 21 - Invalid user storage index 70 - Invalid transaction indicator
|
|
End Message Delimiter |
1 C |
Will only be present if present in the command message. Value X'19 |
|
Message Trailer |
n A |
Will only be present if in the command message. Maximum length 32 characters |