Security Level 2 - Magtek eDynamo Programmer's Manual

Appendix D - EMV Message Formats (EMV Only)
D.3.1 Security Level 2
When the device is set to Security Level 2 (not encrypting), the Transaction Result TLV data object
contains the following:
F9<len> /* container for MAC structure and generic data */
DFDF54(MAC KSN)<len><val>
DFDF55(MAC Encryption Type)<len><val>
DFDF25(IFD Serial Number)<len><val>
FA<len>/* container for generic data */
F0<len> /* Transaction Results */
(Buffer if any to be a multiple of 8 bytes)
CBC-MAC (4 bytes reserved, not calculated)
The value inside tag DFDF4D is fully described in section D.1.1.
eDynamo| Secure Card Reader Authenticator | Programmer's Manual (COMMANDS)
F1<len> /* container for Status Data */
/* Status Data tags */
DFDF1A - Transaction Status
DFDF1B - Additional Transaction Information
F2<len>/* container for Transaction Data */
/* Data tags (defined by DFDF17) */
F3<len>/* container for Reversal Data, if any */
/* Reversal Data tags (defined by DFDF05)*/
F7<len>/* container for Merchant Data */
/* Merchant Data tags */
5F25<len> /* Application Effective Date */
5F24<len> /* Application Expiration Date */
89<len> /* Authorization Code */
5F2A<len> /* Transaction Currency Code */
9F02<len> /* Amount,
9F03<len> /* Amount, Other */
9F06<len> /* Application Identifier */
9F12<len> /* Application Preferred Name */
9F1C<len> /* Terminal Identification */
9F39<len> /* POS Entry Mode */
9C<len> /* Transaction Type */
9F34<len> /* Cardholder Verification Results */
5F57<len> /* Account Type */
5F20<len> /* Cardholder Name */
DFDF4D<len> /* Masked T2 PICC/ICC Data */
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Authorized */