UNLOCK PIN

Command Description

The UNLOCK PIN command is used to reset the retry counter of the PIN when the PIN is locked.

Instance: ACA

Access Condition: XAUTH1, see EXTERNAL AUTHENTICATION XAUTH key 1

Command Message

The following table lists the coding for the UNLOCK PIN command message.

CLA

00h

INS

2Ch

P1

02h

P2

00h

Lc

00h-08h

Data Field

New PIN code to be set. The PIN code consists of the ASCII codes of the PIN value padded to 8 bytes with FFh. If the PIN is Numeric-Only, its bytes are in the range [30h..39h]. If the PIN is not Numeric-Only, its bytes are in the range [0x00..0xFE]. The length of the PIN value must be in the Min PIN Length / Max PIN Length range. (See GET PIN PROPERTIES.)

For example:

  • If your PIN is “123456”, the data field is 313233343536FFFF

  • If your PIN is “12547863”, the data field is 3132353437383633

Le

Empty

Response Message

Data Field Returned in the Response Message

The response message is always empty.

Processing State Returned in the Response Message

The following table lists the processing state returned in the response message.

Status Meaning

63CXh

Command failed (XAUTH 1 key has not been authenticated), X corresponds to the remaining tries to unlock

6A80h

New PIN code format is not valid

6983h

Maximum Unlock tries reached

9000h

Successful Execution