Magtek eDynamo, Programmer'S Manual

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4 - Security Levels
eDynamo| Secure Card Reader Authenticator | Programmer’s Manual (COMMANDS)
Page 34 of 245 ( D998200115-17 )
keys—that is, an Authentic Host. The host can use Command 0x15 - Get / Set Security Level (MAC)
to determine the device’s current security level.
4.5 Command Behaviors By Security Level
Table 4-1 shows the commands that are affected by the device’s security level. Commands that are not
affected by the security level are not listed. The key is as follows:

Y means the command can run at the specified security level.

N means the command is prohibited at the specified security level.

C means the customer may specify Y or S for that command when ordering.

S means the command is secured [may require MACing, see section 4.1 About Message
Authentication Codes (MAC) ].

* indicates Command 0x02 - Reset Device has special behavior. If an Authentication sequence has
failed, only a correctly MACed Command 0x02 - Reset Device (MAC) can be used to reset the
device. This is to prevent a dictionary attack on the keys and to minimize a denial of service (DoS)
attack.
Table 4-1 - Command Behaviors At Each Security Level
Command Level 2 Level 3
Level 4
(MSR
Only)
Any command not listed in this table functions the same at Security
Level 2, Security Level 3, and Security Level 4.
Y Y Y
Command 0x01 - Set Property (MAC) Y S S
Command 0x02 - Reset Device (MAC) Y * *
Command 0x10 - Activate Authenticated Mode N Y Y
Command 0x11 - Activation Challenge Response N Y Y
Command 0x12 - Deactivate Authenticated Mode N Y Y
Command 0x15 - Get / Set Security Level (MAC) S S S
Extended Command 0x0300 - Initiate EMV Transaction (EMV Only) N Y Y
Extended Command 0x0302 - User Selection Result (Contact Only) N Y Y
Extended Command 0x0303 - Online Processing Result / Acquirer
Response (EMV Only)
N Y Y
Extended Command 0x0304 - Cancel Transaction (EMV Only) N Y Y
Extended Command 0x0305 - Modify Terminal Configuration (MAC) N S S
Extended Command 0x0307 - Modify Application Configuration
(MAC)
N S S
Extended Command 0x0309 - Modify Acquirer Public Key CAPK
(MAC, EMV Offline Only)
N S S
Extended Command 0x030C - Set Date and Time (MAC) N S S
Extended Command 0x030E - Commit Configuration N Y Y
Extended Command 0x0310 - Modify EMV Configuration (MAC) N S S