encryption

1. How Encryption for Storing
Security Works
Data encryption standard
File encryption
Link encryption
VPN

2. Data encryption
DES is a common
code key algorithm to
divide data into the
block of 64bit length,
and to encrypt each
block with the key to
56 bit length.
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3. File encryption
File encryption is a
secure process for
keeping your
sensitive and
confidential
information private.
The File Encryption
process makes the
file unreadable
unless or until
decrypted.

4. Link encryption
Link encryption is an
approach communicaions
security that encrypts and
decrypts all traffic at each
end of a communications
line.

5. Virtual Private Network (VPN)
This is a computer
network in which some
of the links between
nodes are carried by
open connections or
virtual circuits in some
larger network instead
of by physical wires.
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6. Reference
Data Encryption
http://www.atmarkit.co.jp/aig/02security/des.html
File encryption
http://searchwinit.techtarget.com/news/article/0,289142,sid
Link encryption
http://en.wikipedia.org/wiki/Link_encryption
VPN
http://en.wikipedia.org/wiki/Virtual_private_network
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