TCS_111 MSE:SET AT Command Message for VU Authentication U.K.
| Byte | Length | Value | Description |
|---|---|---|---|
| CLA | 1 | ‘00h’ | |
| INS | 1 | ‘22h’ | |
| P1 | 1 | ‘81h’ | Set for external authentication |
| P2 | 1 | ‘A4h’ | Authentication |
| Lc | 1 | ‘NNh’ | Lc: length of subsequent data field |
| #6-#(5+L) | L | ‘80h’ + ‘0Ah’ + ‘XX..XXh’ | DER-TLV encoded cryptographic mechanism reference: Object Identifier of VU Authentication (value only, Tag ‘06h’ is omitted). See Appendix 1 for the values of object identifiers; the byte notation shall be used. See Appendix 11 for guidance on how to select one of these object identifiers. |
| ‘83h’ + ‘08h’ + ‘XX..XXh’ | DER-TLV encoded reference of the VU public key by the Certificate Holder Reference mentioned in its certificate. | ||
| ‘91h’ + L91 + ‘XX..XXh’ | DER-TLV encoded compressed representation of the ephemeral public key of the VU that will be used during Chip Authentication (see Appendix 11) |