IDTECH SREDKey 2 - ID TECH Swipe Data Enhanced Encryption Output Format

ID TECH SREDKey 2 Integration Manual
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9.2. ID TECH Swipe Data Enhanced Encryption Output Format
Note: For new development, please use enhanced encryption format.
9.2.1. ISO/ABA Card Data Output Format
Field
Description
1
STX
2
Data Length
3
Card Encode Type
4
Track Status
5
Track1 data length
6
Track2 data length
7
Track3 data length
8
Clear/mask data sent status
9
Encrypted/Hash data sent status
10
Optional bytes length
11
Optional bytes
12
Track1 clear/mask data
13
Track2 clear/mask data
14
Track3 clear/mask data
15
Track1 encrypted data
16
Track2 encrypted data
17
Track3 encrypted data
18
TransactionID (Session ID for Security level 4,
Terminal/Merchant ID for TransArmor)
19
Track1 hashed (if encrypted)
20
Track2 hashed (if encrypted)
21
Track3 hashed (if encrypted)
22
Reader Serial Number
23
Key ID (10 bytes KSN for DUKPT, 10 bytes Key ID
for fixed key, 11 bytes Key ID for TransArmor)
24
MAC Value length
25
MAC Value
26
KSN for MAC DUKPT
27
CheckLrc
28
CheckSum
29
ETX (0x03)