In e-commerce, main problem is to be more secure for payment systems and disputation between online merchant and customer. To solve this problem, this paper presents design and implementation of Electronics Payment Gateway for online payment system. In this system, a customer’s financial information (credit or debit card information) is sent directly to a Payment Gateway also called Trusted Third Party, TTP instead of sending it through an online merchant. The Payment Gateway can support more secure for online payment system. In this system, Secure Socket Layer (SSL) with Rivest–Shamir–Adleman (RSA) is used to enhance more secure connection in payment process. In secure online payment system, end-to-end encryption is required to maintain the integrity of transactions carried out online. RSA is more secure because its factors are large integers and key size is large, which increases the security. The electronic payment gateway provides the confidentiality by using RSA for online payment transactions and trusted third party to recover the disputation between online merchant and customer.
electronic payment gateway, e-commerce security, online payment system, RSA, cryptography
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