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Week-13-group-web-presentation-presentation
1. Group WEB PRESENTATION
Week 13
How Encryption for Strong
Security Works
Yukihiro Yoshida (s1110228)
Kei Asakura (s1120003)
Ippei Kato (s1140058)
2. Data Encryption Standard (DES)
Data Encryption Standard(DES) is a common
code key algorithm to divide data into the block of 64
bit length, and to encrypt each block with the key to
56 bit length.
Triple DES has improved code strength by trebl
repeating DES.
Quoted Web site: http://www.atmarkit.co.jp/aig/02security/des.html
3. Link Encryption
Link encryption is an approach to communications
security that encrypts and decrypts all traffic at each
end of a communications line (e.g. A teletype circuit).
Link encryption contrasts with end-to-end
encryption where messages are encrypted by the
sender at the point of origin and only decrypted by
the intended receiver.
Quoted Web site: http://en.wikipedia.org/wiki/Link_encryption
4. File Encryption
File encryption protects files in central servers and
massstorage devices from being read or changed
without an encryption key.
Local file encryption protects data from physical
intrusion.
Quoted from “How Encryption for Strong Security Works”
5. Virtual Private Network (VPN)
VPN is like service of the public circuit that can be
used like the lease line.
It is used for VPN to connect the network in the
enterprise between bases and the cost is suppressed as
for this to the introduction of the lease line.
Quoted Web site: http://e-words.jp/w/VPN.html
6. Quoted Web sites:
+ Data Encryption Standard (DES)
http://www.atmarkit.co.jp/aig/02security/des.html
+ Link Encryption
http://en.wikipedia.org/wiki/Link_encryption
+ File Encryption
How Encryption for Strong Security Works
+ Virtual Private Network (VPN)
http://e-words.jp/w/VPN.html