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Cryptographic Terminology 101 (O'Reilly)

Dru Lavigne covers network data encryption technologies on O'Reilly. "In the next few articles, I'd like to concentrate on securing data as it travels over a network. If you remember the IP packets series (see Capturing TCP Packets), most network traffic is transmitted in clear text and can be decoded by a packet sniffing utility. This can be bad for transmissions containing usernames, passwords, or other sensitive data. Fortunately, other utilities known as cryptosystems can protect your network traffic from prying eyes."
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