How Secure Sockets Layer Works
As mentioned, plain HTTP sends data in cleartext, which is too risky for bank sites or other data-sensitive transactions. HTTPS is used to ensure safe and secure communication between a client and a web server. Secure Sockets Layer (SSL) and Transport Layer Security (TLS) are widely used to authenticate a service to a client and then to provide confidentiality (encryption) to the data being transmitted.
SSL/TLS works in a negotiation process—known as a handshake—between the client and the web server. The handshake ...
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