|
Command: |
Translate a PIN block from encryption under a TPK to encryption under a ZPK and from one format to another. If the same PIN block format is defined, only the key is translated. |
|
Field |
Length & Type |
Details |
|
COMMAND MESSAGE |
||
|
Message header |
m A |
(Subsequently returned to the Host unchanged). |
|
Command code |
2 A |
Value CA. |
|
Source TPK |
16H or |
Source TPK under which the PIN block is currently encrypted; encrypted under LMK pair 14-15. |
|
Destination ZPK |
16H or |
Destination ZPK under which the PIN block is to be encrypted; encrypted under LMK pair 06-07. |
|
Maximum PIN length |
2 N |
Value 12. |
|
Source PIN block |
16 H |
The source PIN block encrypted under the source TPK. |
|
Source PIN block format |
2 N |
The format code for the source PIN block. |
|
Destination PIN block format |
2 N |
The format code for the destination PIN block. |
|
Account number |
12 N |
The 12 right-most digits of the account number, excluding the check digit. |
|
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. |
|
RESPONSE MESSAGE |
||
|
Message header |
m A |
Returned to the Host unchanged. |
|
Response code |
2 A |
Value CB. |
|
Error code |
2 N |
00 : No errors 10 : Source TPK parity error 11 : Destination ZPK parity error 12 : No keys loaded in user storage 13 : LMK error; report to supervisor 15 : Error in input data 20 : PIN block data error 21 : Invalid user storage index 22 : Invalid account number 23 : Invalid PIN block format code 24 : PIN is fewer than 4 or more than 12 digits |
|
PIN length |
2 N |
Length of the returned PIN. |
|
Destination PIN block |
16 H |
The destination PIN block encrypted under the destination ZPK. |
|
Destination PIN block format |
2 N |
As received in the command message. |
|
End message delimiter |
1 C |
Present only if present in the command message. Value X’19. |
|
Message trailer |
n A |
Present only if present in the command message. Maximum length 32 characters. |