You work as a Software Developer for Mansoft Inc. The company uses Visual Studio.NET as its application development platform. You create an application, which will be used for e-commerce. You want…

You work as a Software Developer for Mansoft Inc. The company uses Visual Studio.NET as its application development platform. You create an application, which will be used for e-commerce. You want to ensure that the transactions are highly secured. For this purpose, you have to create a system to verify the identity of a potential customer. Which of the following security techniques will you use to accomplish this task?