How it works...
SSL certificates are digital passports that provide authentication to protect the confidentiality and integrity of communication between the server and the browsers. SSL certificates have a key pair: a public and a private key, which work together to establish an encrypted connection.
When a browser attempts to connect to a web server secured with SSL, it asks the web server to identify itself. Then, the server sends a copy of its SSL certificate. After receiving the certificate, the browser sends a message to the server. After this, the server sends back a digitally signed acknowledgement that tells the server to start an SSL encrypted connection. Now, all the data being shared between the server and the browser is encrypted. ...
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