SSL is a protocol using different cryptographic algorithms to implement security using authentication with certificates, session key exchange algorithms, encryption and integrity check. It is a common protocol, often used to ensure that the communication between WWW-server and WWW-client is safe and encrypted.
Hyper Text Transfer Protocol Secure (HTTPS) is a secure version of the Hyper Text Transfer Protocol (http). HTTPS allows secure ecommerce transactions, such as online banking. Web browsers such as Internet Explorer and Firefox display a padlock icon to indicate that the website is secure, as it also displays https:// in the address bar. When a user connects to a website via HTTPS, the website encrypts the session with a digital certificate. A user can tell if they are connected to a secure website if the website URL begins with https:// instead of http://.
Secure Sockets Layer uses a cryptographic system that encrypts data with two keys. When a SSL Digital Certificate is installed on a web site, users can see a padlock icon at the bottom area of the navigator. When an Extended Validation Certificates is installed on a web site, users with the latest versions of Firefox, Internet Explorer or Opera will see the green address bar at the URL area of the navigator.
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