How does SSL work?

For SSL to work, the server computer requires a file that is more commonly known as a SSL certificate. This certificate in its most basic form contains both a public key and a private key and unique mathematical codes that identify the web host. A combination of a public and private key allows the certificate to create a secure channel to encrypt and decrypt data travelling between a client and a web host; so even if the data is hijacked halfway, all the hijacker would see is jumbled codes.

This certificate needs to be installed onto a web server so that it may begin to initiate secure sessions with client browsers. Once installed, a client browser is able to obtain the certificate from the web host and subsequently encrypt its transmission to the web host using the public key in the certificate.
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