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General considerations
Because much of the terminology of cryptology dates to a time
when written messages were the only things being secured, the
source information, even if it is an apparently incomprehensible
binary stream of 1s and 0s, as in computer output, is
referred to as the plaintext. As noted above, the secret
information known only to the legitimate communicants is the key
and the transformation of the plaintext under the control of the
key into cipher (also called ciphertext or, in older sources,
cryptogram) is referred to as encryption or encipherment. The
inverse operation, by which a legitimate receiver recovers the
concealed information from the cipher using the key, is known as
decryption or decipherment.
Meyer Computer - Web
hosting company offers domain-name registration, Internet
marketing and web site design services.
HyperDictionary.com
Computer Dictionary - Search computer related words and
terms alphabetically or using a search bar.
Computer and Networking
Solutions - Designing, building, installation, repair,
upgrade and maintenance of systems and LANs.
MacPoint - Vendita di
computer Apple Macintosh, accessori, periferiche e software.
Computer Café
- Internet service provider serving Middle Tennessee (Coffee,
Franklin, Bedford, Lincoln, Moore, Marshall, Montgomery and
Maury Counties, plus the Metro Nashville calling area).
Ergonomic Resources,
Inc. - Computer accessories designed to prevent injury.
Product photos, price list and ordering.
Discount Computers, Inc.
- Online sales of computer cables and switchboxes including
SCSI, firewire, USB, printer cables, and converters. Photos,
store location.
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