Secure Sockets Layer (SSL)
•SSL creates a public-key pair so that it can safely transmit data using a private key.
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•The private key is encrypted using public-key encryption and is sent to the browser.  Using the private key protects the remainder of the information transfer between the browser and the Web site.
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•When the user leaves the secure Web site, the browser discards these temporary keys, or session keys.
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•Session keys exist only during a single, active session between a browser and server.