Attempt all the problems.

Section-A

problem1) Describe the difference between symmetric key encryption and public key encryption. Which dimensions of e-commerce security do these systems address?

problem2) How to make Internet banking and investment transactions safe?

problem3) What must be the aim and objectives of an e-business website?

problem4) What do you mean by Message Authentication? How is this issue addressed in e-transactions?

Section-B

Case study:

Big manufacturing house is facing difficulty in implementing distributed database system for its ERP application. They decided to integrate all departments in all manufacturing units situated in various countries by hosting a dedicated web site with dedicated database server. To start with they decided to put sales and distribution department online. The user of the web site could do operations like: Add/ Edit sales order, add/edit customer information, add/edit details of distribution centre, check accounts receivable of customer, check ware house status, implement sales transaction from warehouse to customer/Distributor, etc.

Propose the detailed design and implementation of the web application.