How SSL HTTPS and Certificates works in Java web applications

Tuesday, February 25, 2014

Basic knowledge of SSL, HTTPS and Certificates are must for any Java programmer, especially who is working in financial and security sensitive applications, which are accessed over internet. In this article, I am giving you an overview of these three key concept and How SSL, HTTPS and certificates work together, to provide secure communication between client and server. Security is major concern while developing web application, which is accessible using HTTP protocol. Since HTTP protocol transfer data in plain text format, its not safe for transferring sensitive information like username, password, social security number (SSN) or credit card details for online shopping. HTTP protocol, also doesn't guarantee that a website, you are communicating is the one who claims i.e. if URL redirection is enable than instead of genuine website you may be routed to malicious websites and HTTP can't prevent or alert you.
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