Property 0X67 - Emv Data Encryption Variant (Emv Only) - Magtek mDynamo Programmer's Manual

8 - Properties

8.12 Property 0x67 - EMV Data Encryption Variant (EMV Only)

0x67
Property ID:
Property Type: Byte
Length: 1 byte
Get Property: Yes
Set Property: Yes
Default Value: 0x01 (Data Variant)
This property specifies which variant of the current DUKPT Key the device uses to encrypt EMV Data.
•
0x00 = Use the PIN Encryption variant.
•
0x01 = Use the Data Encryption, request or both ways variant.
The device uses this value to determine how to create the correct Derived Key to encrypt data involved in
EMV transactions (see section 5 Encryption, Decryption, and Key Management). The algorithms for
creating the Derived Key fitting each of the possible variants are fully specified in ANS X9.24-1:2009.
This property is stored in non-volatile memory, so it persists when the device is power cycled. When this
property is changed, the device must be reset (see Command 0x02 - Reset Device) or powered off for at
least 30 seconds, then powered on, before the changes will take effect.
Example Set Request (Hex)
Cmd Num
01
Example Set Response (Hex)
Result Code
00
Example Get Request (Hex)
Cmd Num
00
Example Get Response (Hex)
Result Code
00
mDynamo| OEM Secure Card Reader Authenticator | Programmer's Manual (COMMANDS)
Data Len
02
Data Len
00
Data Len
01
Data Len
01
Page 115 of 167 (D998200151-200)
Property ID
67
Data
Property ID
67
Data
01
Data
01