Dynamic Data Authentication (DDA) is a more securer way of authentication because it authenticates the card itself. After the authentication we can trust on the uniqueness of the card. Contrast between SDA and DDA SDA guarantees that data on cards is valid because we trust a high level certification authority …
Secondary amount associated with the transaction representing a cashback amount. Format is “n 12″ and length is 6 bytes for example a value of 1234567 is stored as Hex ’00 00 01 23 45 67′.
SDA ensures the authenticity of ICC data. After SDA it is sure that the data from the ICC is real and hasn’t changed by anyone. However SDA doesn’t assure the uniqueness of ICC data. SDA is a digital signature scheme working with asymmetric cryptograhpy. Asymmetric cryptography uses a pair of keys. …
Authorised amount of the transaction (excluding adjustments). Format is “n 12” and length is 6 bytes for example a value of 1234567 is stored as Hex ’00 00 01 23 45 67′.
Uniquely identifies the acquirer within each payment system. Format is “n 6-11” and length is 6 bytes for example a value of 1234567 is stored as Hex ’00 00 01 23 45 67′.
EMV Integrated Circuit Card (IC card) Specifications are an international, credit card industry standard for chip based debit and credit cards. The Specifications are consistent with the ISO 7816 series of standards for IC cards, also called “chip cards”, “integrated circuit cards” or “smart cards”. In Europe, primarily the UK, …
