Magtek eDynamo, Programmer'S Manual

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8 - Commands
eDynamo| Secure Card Reader Authenticator | Programmer’s Manual (COMMANDS)
Page 112 of 245 ( D998200115-17 )
8.5.3 Extended Command 0x0307 - Modify Application Configuration (MAC)
Like all extended commands, the host initiates this command by calling Command 0x49 - Send
Extended Command Packet (Extended Commands Only) , and receives a response as documented
there.
This command is used to modify EMV Application configurations. See
Extended Command 0x0308 -
Read Application Configuration and the Application Settings subsections in Appendix E EMV
Factory Defaults (EMV Only) .
Configuration changes will be lost after a power cycle or reset unless the host sends
Extended
Command 0x030E - Commit Configuration after making all configuration changes.
Table 8-44 - Request Data for Extended Command 0x0307 - Modify Application Configuration (MAC)
Offset Field Name Value
0 Type of MAC
MAC algorithm designator
0x00 = ISO 9797 MAC Algorithm 3, Padding Method 1.
1 Slot Number
EMV Application Slot Number
See
Appendix E EMV Factory Defaults (EMV Only) to determine how many
application slots the device has for the selected database.
2 Operation 0x01 = Write Operation
3
Database
Selector (Contact Only)
0x00 = EMV Contact L2
4..19
Device Serial
Number
(DSN)
16 Bytes DSN
20..n
Objects to
Write
FA<len> /* container for generic data */
<tag><len><value>
…
<tag><len><value>
n..n+3 MAC MAC computed on Device Serial Number (DSN) and Objects to Write fields.
Response Data: None. The response to this command only contains a result code.
Result codes:
0x0000 = Success
0x0390 = Device Has No Keys
0x0391 = Invalid Device Serial Number
0x0392 = Invalid Type of MAC field
0x0393 = Invalid Slot Number field
0x0394 = Invalid Operation field
0x0395 = Invalid Database Selector field
0x0396 = Invalid Objects to Write field
0x0397 = Invalid MAC