The impact of Internet on electronic commerce is gaining popularity day by day. Very soon no financial institution will be left unaffected by the explosion of electronic commerce. The internet changes the way we access and purchase information, communicate and pay for services, and acquire and pay for goods or do shopping. Any financial transactions such as utility billing, brokerage, insurance and banking everything will be electronically over the net very soon. Any organization can become global publisher by uploading their site over the net. COMPUSOL aims to develop a secure Payment Gateway for electronic transactions, which acts as a bridge for on-line billing and transactions. This solution is to provide an interface or connector for secure electronic transaction. To meet this need of secure electronic transactions, COMPUSOL’s Payment Gateway uses both kind of Cryptography (Symmetric and Asymmetric) which Provides confidentiality of information.

When today’s customers are ready to buy over the Internet or over their cell-phone. They want each transaction to be safe, immediate and fraud free. On the other hand merchants want those customer’s buying experience to be effortless. They also want payments reconciled quickly, transaction information made easily available and the best possible protection from fraud. COMPUSOL’s Payment Gateway will able to satisfy the need of Customer and Financial Institutions by the meeting their requirements. It satisfies customer by providing rapid growth in their business, Financial Institutions by more financial transaction and customer by providing secure on-line shopping and utility billing.

Confidentiality of Information
To facilitate and encourage electronic commerce, it will be necessary to assure cardholders that their information is safe and secure and can only be accessed by the address recipient. Payment Gateway uses asymmetric key encryption, which ensure customer about the confidentiality of the information.

Data Integrity
COMPUSOL Payment Gateway assures that message has not been tampered during the transmission between the sender and receiver. Digitally signed information ensures that payment information sent from cardholders to merchant and merchant to financial institution and vice-versa is not altered.

Authentication of Cardholder account
It uses a mechanism that authenticates the cardholder account. COMPUSOL Payment Gateway uses cardholder certificates to ensure the authentication.

Interoperability
COMPUSOL Payment Gateway is portable for any kind of software platform. Any branded cardholder can use this system for the electronic transactions. Any cardholder with compliant software will be able to communicate with any merchant software that also meets the defined standard. The main objectives of interoperability are to create and support an open payment card standards, ensure compatibility and acceptance by appropriate standards organizations, use standard communication protocols and message formats.

Audit Trial
Keeps track of Merchant, Customers, Financial Institutions, and Acquirers.

Fault-Tolerance
The architecture mainly focuses on higher Fault Tolerance and Transaction reliability. The architecture uses XML as a temporary Transaction data store to provide asynchronous communication between Merchant Server & COMPUSOL Payment Gateway Server. The loosely coupled architecture allows server component to re-initiate transactions if communication link fails.

COMPUSOL Payment Gateway will enable payment card acceptance, with high level of security that encourage consumers and business to make wide range usage of payment card product in this e-world. The impact of Internet on electronic commerce is gaining popularity day by day. Very soon no financial institution will be left unaffected by the explosion of electronic commerce. The Internet is changing the way of our living life. It changes the way we access and purchase information, communicate and pay for services, and acquire and pay for goods or do shopping. Any financial transactions such as utility billing, brokerage, insurance, and banking every thing will be electronically over the net very soon. The Rapid Growth of online commerce and electronic billing presents new opportunity and new challenges for Merchant, Financial Institutions and Customers. Online commerce or electronic commerce has several participants i.e. Customer, Merchant, Financial Institution, Payment Gateway Voucher Trading System and others. Participants have their own importance and role in electronic commerce. Payment Gateway plays a vital role in any electronic commerce by providing secure electronic transactions.