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Digital signature and adv payment gateway

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there is easy explanation about digital signature

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Digital signature and adv payment gateway

  1. 1. Presented By :- Kartik N. Kalpande Seminar On Digital Signature & Advanced Payment Gateways
  2. 2. 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
  3. 3. WHY DIGITAL SIGNATURE ? • Authenticate identity of sender • Ensure the original content of message (intigity) • Non – repudiation • Verifiability of by independent , public or third party
  4. 4. DIGITAL SIGNATURE (ARCHITECTURE) :
  5. 5. WORKING :
  6. 6. VERIFICATION OF DS :
  7. 7. 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
  8. 8. 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
  9. 9. DIGITAL SIGNATURES OVER HAND-WRITTENS :
  10. 10. 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.
  11. 11. 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.
  12. 12. 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.
  13. 13. PAYMENT GATEWAY ARCHITECTURE :
  14. 14. ACTUAL WORKING :
  15. 15. CONTINUED …
  16. 16. 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.
  17. 17. ADVANCED PAYMENT GATEWAY MECHANISMS :
  18. 18. 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.
  19. 19. PAYPAL ARCHITECTURE :
  20. 20. WHY PayPal ? • Fast , simple and secure way to make a payment online • Grow sales • Get new customers • Integrate easily
  21. 21. FEEL FR EE TO ASK … THANK YOU !!

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