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NEO 2 Interface Developer’s Guide
Copyright © 2019, International Technologies & Systems Corporation. All rights reserved.
238
Data Item
Length
(bytes)
Description
TLV MSR
Data
(DFEE23)
Variable Refer to “Enhanced Encrypted MSR Data Output Format” section of document
80000502-001
, Encrypted Data Output Formats
. This tag will wrap an entire MSR data
block. Consult “80000502-001, ID Tech Encrypted Data Output Formats” for details;
available for download on the
Enhanced encrypted MSR FIELD DATA length
Data length
Indicator byte
Data length
byte
Data <128 bytes
01~7F
X
1
128 bytes <= Data <=255 bytes
80~FF
81
1
Data
> 255 bytes
FF~
82
2
TLV Data
Variable TLV data list
TLV POS
Entry Mode
(9F39)
Variable 90h = Magnetic Stripe Reader Swipe
91h = Contactless MSD
05h = Contact EMV
07h = Contactless EMV
80h = Contact Fallback to Magnetic Stripe
TLV (DF30)
(ViVOpay
proprietary)
Variable Track Data Source.
This tag is embedded in the ViVOpay Group tag. It specifies whether the track data
came from a swipe or RFID transaction.
0Ch for swiped MagStripe
00h for a contactless transaction.
01h for a contact transaction.
This tag include in ViVOpay proprietary (FFEE01)
Ex: FFEE0104DF30010C
TLV Encrypt
Information
(DFEE26)
Variable Encryption and Data Capture Information.
Length: 1 or 2 (variable)
NEOII the length must be 2 bytes
Values:
Byte 1:
Same as “Attribution” byte definition. Namely:
Bits 4/3/0: Captured Data Type
0 0 0 = Contact Transaction
0 0 1 = Contactless Transaction / EMV
1 0 1 = Contactless Transaction / MSD
0 1 x = MSR Card
Bits 2/1: Encryption Mode
0 0 = TDES
0 1 = AES
1 x = Refer to "Extended Encryption Mode" further below.