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SecureMag User Manual
Default reader properties are configured to have security level 1 (no encryption). In order
to output encrypted data, the reader has to be key injected with encryption feature
enabled. Once the reader has been configured to security level 2, 3 or 4, it cannot be
reverted back to a lower security level.
8.1
Encryption Management
The Encrypted swipe read supports TDES and AES encryption standards for
data encryption. Encryption can be turned on via a command. TDES is the
default.
If the reader is in security level 3, for the encrypted fields, the original data is
encrypted using the TDES/AES CBC mode with an Initialization Vector
starting at all binary zeroes and the Encryption Key associated with the current
DUKPT KSN.
8.2
Check Card Format
ISO/ABA (American Banking Association) Card (card type 0)
Encoding method
Track1 is 7 bits encoding.
Track1 is 7 bits encoding. Track2 is 5 bits encoding. Track3 is 5 bits
encoding.
Track1 is 7 bits encoding. Track2 is 5 bits encoding.
Track2 is 5 bits encoding.
Additional check
Track1 2
nd
byte is ‘B’.
There is only one ‘=’ in track 2 and the position of ‘=’ is between 13
th
~ 20
th
character so account number length is 12-19 digits.
Total length of track 2 is above 19 characters.
AAMVA (American Association of Motor Vehicle Administration) Card
Encoding method
Track1 is 7 bits encoding. Track2 is 5 bits encoding. Track3 is 7 bits
encoding.
Others (Customer card)
8.3
MSR Data Masking
For ABA Card Data (Card Type 0)
For cards need to be encrypted, both encrypted data and clear text data are sent.
Masked Area