Online Authorisation
Encyclopedia
Online Authorization is a system used to verify a transaction on a payment card (e.g. credit card
). The term 'on-line' refers to the real-time nature of the verification. In other words, if the account is overdrawn, in most cases, the transaction will be refused.
OLA is already common place for credit card networks such as VISA
or Mastercard
and is now being implemented in others (such as fuel cards).
During on-line аuthorisation:
(The recrypt PIN block process is not included in list.)
The set of verification in an issuer bank depends on card type, payment system requests and features of issuer bank processing system.
Credit card
A credit card is a small plastic card issued to users as a system of payment. It allows its holder to buy goods and services based on the holder's promise to pay for these goods and services...
). The term 'on-line' refers to the real-time nature of the verification. In other words, if the account is overdrawn, in most cases, the transaction will be refused.
OLA is already common place for credit card networks such as VISA
Visa
Visa or VISA may refer to:* Visa , a document issued by a country's government allowing the holder to enter or to leave that country...
or Mastercard
MasterCard
Mastercard Incorporated or MasterCard Worldwide is an American multinational financial services corporation with its headquarters in the MasterCard International Global Headquarters, Purchase, Harrison, New York, United States...
and is now being implemented in others (such as fuel cards).
During on-line аuthorisation:
- PIN encrypted by ATM|POS PINpad secure module (HSMHSMHSM is a three-letter acronym that may refer to:* Harakat al-Shabaab Mujahedeen, a Somali insurgent group* Hardware security module* Health Systems Management* Hepatosplenomegaly* Hierarchical storage management* Hierarchical state machine...
) and sent to an issuer bank. - Card cryptogram sent to an issuer bank (Smart cardSmart cardA smart card, chip card, or integrated circuit card , is any pocket-sized card with embedded integrated circuits. A smart card or microprocessor cards contain volatile memory and microprocessor components. The card is made of plastic, generally polyvinyl chloride, but sometimes acrylonitrile...
, EMVEMVEMV stands for Europay, MasterCard and VISA, a global standard for inter-operation of integrated circuit cards and IC card capable point of sale terminals and automated teller machines , for authenticating credit and debit card transactions.It is a joint effort between Europay, MasterCard and...
). - An issuer bank verify the PIN, check card cryptogram.
- An issuer bank make finance verification (on-time limit, credit limit, ...)
- An issuer bank send OK or !OK (+optional command list for EMVEMVEMV stands for Europay, MasterCard and VISA, a global standard for inter-operation of integrated circuit cards and IC card capable point of sale terminals and automated teller machines , for authenticating credit and debit card transactions.It is a joint effort between Europay, MasterCard and...
card).
(The recrypt PIN block process is not included in list.)
The set of verification in an issuer bank depends on card type, payment system requests and features of issuer bank processing system.