Advancement of technology for ecommerce solutions development provide
facility for paperless buying and selling of information, products
and service through the web site
Paper purchase order cannot be modified without leaving evidence.
That is not in the case of electronic transactions. Security means
the prevention of distribution of information and unauthorized availability
Cryptographic technique is the technology solution for all security
services. There are many type of cryptographic techniques : Symmetric
cryptosystems, Asymmetric cryptosystems, Digital signature etc.
Role of Protocols
To provide security there are many types of messaging security protocols
like PEM, MOSS, PGP etc. .
Electronic cash over the Internet
Electronic cash is a new concept to
execute cash payment using computers connected over Internet. Using
software on the customers own computer, customers can withdraw e-cash
from his own account in a bank. This is stored in the hard disk
of consumers in an electronic wallet which can be spent by the customer
to merchant for any money transaction.
Credit card transaction: E-enabling
your web sites
Before you can accept credit card payment you need to have merchant
account from financial institution and they issue merchant ID and
terminal ID. Your online transaction want to travel over a network
for authorization and settlement. This network is called Payment
gateways and they have their own highly sophisticated hardware and
software which run under highly secured environment for customers.
They identify you by checking your terminal ID and merchant ID
When a customer decides to purchase any item from your web site
, he fills the form from your web site and submit it. Then your
web site directly connect to the server and the network of payment
gateway. The credit card number travels across this network to card
issuing authority. This card issuing authority then authorizes the
transaction to be accepted or rejected based on the credit limit
of the customer.
Some of the well-known payment gateways in the US are CyberCash,
VeriSign ,CyberSource, Payment Planet, Charge Solutions etc. From
their web site you will get more information.
Some of the financial institutions are Wells Forgo, Citibank and
1. Ecommerce solutions
using security services
2. Implementing online cash transaction
through your web site