What is tag 9f10?

Contains proprietary application data for transmission to the issuer in an online transaction.

What is tag in EMV?

“EMV Tags” are usually mile-long alpha-numeric strings in a BER-TLV format. When all non-emv “entry modes” can be successfully performed using a bigger or lesser amount of customer data stored on the card (like card number (PAN), CVV, Exp. date), there is a necessary involvement of “EMV Tags” in EMV transaction.

What is generate AC in EMV?

The terminal has to decides either to proceed the transaction offline, to go online or to reject the transaction. The Terminal will send the decision with a Generate AC command to the card. The decision is based on the Transaction Verification Results.

What is CDOL in EMV?

A CDOL is a list of data that the card requires during Card Action Analysis, and there are 2 different CDOL that may be required during the course of a transaction.

What does ARQC invalid mean?

0881 ARQC Invalid Declined – For security reasons, the transaction was blocked. This decline code is specific to chip cards.

What is an aid number?

An application identifier (AID) is used to address an application in the card or Host Card Emulation (HCE) if delivered without a card. An AID consists of a registered application provider identifier (RID) of five bytes, which is issued by the ISO/IEC 7816-5 registration authority.

What are terminal action codes?

Each action code contains a series of bits which correspond to the bits in the Terminal verification results (TVR), and are used in the terminal’s decision whether to accept, decline or go on-line for a payment transaction.

What is issuer authentication?

The 16- to 32-character Issuer Authentication Data field contains data delivered to the chip card including the ARPC cryptogram for online issuer authentication. The data is in the format required by the card. The Issuer Application Data value subfield is formatted in ASCII coded binary format.

What is EMV transaction?

EMV stands for Europay, MasterCard® and Visa® and refers to the increased security of payment card transactions through the use of a chip embedded in credit, debit, and prepaid cards.

How big is the CVR of EMV 9f10?

From EMV 4.3 Book 3 Common Core Definitions, Application Specification, November 2011, Page 206, C7.2 The CVR has a fixed length of 5 bytes (10 hexadecimals characters) that are the bytes 4-8 included of Issuer Application Data, EMV tag 9F10. The 3 first bytes of 9F10 being the following.

Which is outside of the scope of EMV?

Response messages for SFIs 11-30 are outside the scope of EMV, but may use template ’70’) Contains the data objects (with tags and lengths) returned by the card in response to a command. Contains the data objects (without tags and lengths) returned by the card in response to a command.

Where does the cryptogram come back from in EMV?

The cryptogram comes back from the card in tag 9F26 (an EMVCo-defined tag, not a proprietary ID TECH tag).

How is terminal verification results coded in EMV Book 3?

The Terminal Verification Results is coded according to Annex C.5 of [EMV Book 3]. Status of the different functions as seen from the reader/terminal. For EMV mode transactions, all of the TVR bits sent online to the acquirer shall be set to 0b. Status of the different functions as seen from the terminal.