CS101 Assignment # 5 Idea Solution July 2012


CS101 Assignment # 5 Idea Solution July 2012


Question No.  1:                              [10 marks]

A Comparison table is given below showing different technologies. You have to fill the columns a, b and c respectively by using given instructions:

Instructions for Column “a” to “c”:
a)      The latest “technology” or “version” name.
b)     You will define portability in “Yes” or “No”.
c)      Is it “H/w” or S/w based?
 Solution:-

Name
Column a
Column b
Column C
Bluetooth
Bluetooth v 4.0(30-06-2010)
Yes
H/W
Window
Wndows8 (31-05-2012)
Yes
S/W
3G
WIMAX (IEEE 802.16)
Yes
S/W
Modem
Broadband Modems
Yes
H/W
RAM
DDR3 (2007)
DDR4 (2012-2013)
Yes
H/W
    
Question No. 02                         [10 marks]

The data of few organizations are very sensitive and can create problems if it is compromised. Organizations take different measures to protect their sensitive data. Cryptography is a process of securing our sensitive data on computer networks. Different algorithms are used to protect our data from misuse by other users. Some of the popular algorithms are given below. You are required to read these algorithms and fill the following table after your research.

Solution:-
SNO
Key length
Symmetric/asymmetric
Year proposed
RSA
1024 to 4096 bits
asymmetric
RSA algorithm was proposed in 1978,1977 by Rivest, Shamir, and Adleman
AES
128, 192, 256 bits

Symmetric
1st published in 1998. Designers (Vincent Rijmen, Joan Daemen)
Serpent encryption algorithm
128, 192, 256 bits

Symmetric
Serpent was designed by Ross Anderson, Eli Biham, and Lars Knudsen.

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