Format: an16
PIN Encryption control information. This field is mandatory when online PIN data is present, except where DUKPT information is supplied in Field 63, tag 01.
The field is comprised as below:
| Position | Description | Value |
|---|---|---|
|
1-2 |
Key Type Identifier |
01 - TPK 02 - ZPK 03 - Asymmetric Key |
|
3-4 |
Key Identifier |
03 to 99 Value to be provided by Elavon |
|
5-16 |
Reserved for future use |
000000000000 |
Please note the Key Type and Key Identifiers will be supplied by Elavon.