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Error Code
0x01
Sending Data Length field Error
0x0d
EDC Error
4.15.2 Command Description
When PINPAD is in the state of PIN Entry, use this command the cancel it.
4.16 MAC Encryption
4.16.1 Command Format
Sending data
CMD
0x85
WKeyID （Single Bit） : to set the work key number for MAC encryption (DUKPT Key's
Len: Calculating the length of data for MAC encryption calculating .
(Must be in multiples of 8)
Data (Len length byte): The data needs the MAC KEY
Mode (single byte): designated encryption and decryption calculation.
AuthCode (8bytes): using PIN/MAC to encrypt the authentication KEY, for calculation
LEN
Len+0x0a
WKeyID
such field is invalid)
Bit7 must be 1, means the TDES KEY calculation.
Bit6-0：
=0x02: data KEY (MK/SK system)
=0x04: data KEY (Fixed encryption system)
=0x06: DUKPT-MAC KEY
method please see Master KEY/authentication KEY/fixed
KEY/DUKPT KEY commands
DATA
Mode
Data
AuthCode
EDC
Verification
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