Magtek eDynamo, Programmer'S Manual

Page: 74 / 245

8 - Commands
eDynamo| Secure Card Reader Authenticator | Programmer’s Manual (COMMANDS)
Page 74 of 245 ( D998200115-17 )
Offset Field Name Description
1
PreAuthentication Time
Limit (lsb) Least significant byte of the PreAuthentication Time Limit in
seconds (120 seconds or greater)
Table 8-12 – Response Data for Command 0x10 - Activate Authenticated Mode (MSR Only)
Offset Field Name Description
0
Current Key
Serial Number This eighty-bit value includes the Initial Key Serial Number in the leftmost
59 bits and the value of the encryption counter in the rightmost 21 bits.
10 Challenge 1
The host should use this eight-byte challenge later in Command 0x11 -
Activation Challenge Response , and to authenticate the device.
18 Challenge 2
The host should use this eight-byte challenge later in Command 0x12 -
Deactivate Authenticated Mode .
Result codes:
0x00 = Success
0x03 = Redundant - the device is already in this mode
0x05 = Delayed - the request is refused due to anti-hacking mode
0x07 = Sequence Error - the current Security Level is too low (see section
4 Security Levels )
0x80 = No MSR Transactions Remaining [see Command 0x1C - Get Remaining MSR Transactions
Counter (MSR Only) ]
Example Request (Hex)
Cmd Num Data Len Data
10 00
Example Response (Hex)
Result Code Data Len Data
00 1A
FFFF 0123 4567 8000 0003 9845 A48B 7ED3 C294 7987 5FD4 03FA
8543