digital signature and adv payment gateway
TRANSCRIPT
Presented By :- Kartik N. Kalpande
Seminar OnDigital Signature & Advanced
Payment Gateways
INTRODUCTION TO DIGITAL SIGNATURE :
• Important application of public key cryptography
• Electronic form of signature
• Serves the same purpose as that of the handwritten signature but is much secure
WHY DIGITAL SIGNATURE ?
• Authenticate identity of sender
• Ensure the original content of message (intigity)
• Non – repudiation
• Verifiability of by independent , public or third party
DIGITAL SIGNATURE (ARCHITECTURE) :
WORKING :
VERIFICATION OF DS :
DIGITAL CERTIFICATES :
• A data with digital signature from one trusted certification Authority (CA)
• This data contains :
- Who owns this certificate- Who signed this certificate- The expired date- User name and e-mail address
REQUIRED CONDITIONS FOR DIGITAL SIGNATURE:
• Receiver can verify claimed identity of sender
• Sender can’t later repudiate (deny) contents of message
• Reciever can not have cancocted message himself
DIGITAL SIGNATURES OVER HAND-WRITTENS :
ONLINE PAYMENT GATEWAY SYSTEMS :
• A software program integrated to a merchant’s website to transmit transaction data to :
- Credit card- Net banking- Cash card- Mobile payment
acquirer for authorization and settlement.
CONTINUED …
• Includes whether there are sufficient funds available, whether the details all matched correctly and whether there has been any fraudulent activity.
• In order to check these details , the Payment Gateways will communicate with the Card Schemes and Issuing Banks.
• And then report back with its findings and relevant transaction response.
CONTINUED …
• Merchants gain the ability to perform real- time Credit Cards authoization from a website over the internet.
• Customers can pay for purchases across the Internet through Credit Cards within seconds , after the gateway obtains authorization from the Credit Card institution.
PAYMENT GATEWAY ARCHITECTURE :
ACTUAL WORKING :
CONTINUED …
MAIN PURPOSE OF USING A PAYMENT GATEWAY:
• SEURITY :-
- Customer is usually required to enter personal details , the entire communication of ‘Submit Order’ page is often carried out through HTTPS protocol.
- To validate the request of the payment page result , sometimes the IP of the requesting server has to be verified.
ADVANCED PAYMENT GATEWAY MECHANISMS :
SECURE PAYMENTS USING PayPal :
• Found in 1998 and owned by eBay
• Facilitates the transfer of money from one party to another over the internet.
• Payments can be made for goods , services as well as online donations.
PAYPAL ARCHITECTURE :
WHY PayPal ?
• Fast , simple and secure way to make a payment online
• Grow sales
• Get new customers
• Integrate easily
FEEL FREE TO ASK …
THANK YOU !!