Cisy 443/Bbit 447: Cryptography &Amp; Network Security Question Paper
Cisy 443/Bbit 447: Cryptography &Amp; Network Security
Course:Computer Science & Business Information
Institution: Kenya Methodist University question papers
Exam Year:2012
KENYA METHODIST UNIVERSITY
END OF 2ND TRIMESTER 2012 (EVENING) EXAMINATIONS
FACULTY : COMPUTING & INFORMATICS
DEPARTMENT : COMPUTER SCIENCE & BUSINESS INFORMATION
UNIT CODE : CISY 443/BBIT 447
UNIT TITLE : CRYPTOGRAPHY & NETWORK SECURITY
TIME : 2 HOURS
Instructions: Answer ALL Questions.
Question One
Define the following terms.
(6 Marks)
Digital signature.
(ii)S/MME.
(iii)Data Integrity.
What are the various message authentication requirement.
(4 Marks)
Describe the concept of whirlpool logic.
(4 Marks
Explain Resign certificates in relation to certification authority.
(4 Marks)
Explain penetration testing as applied in system security.
(4 Marks)
Describe the THREE basic steps to 20 create an RSA public/Private key pair of PhC .
(6 Marks)
List TWO types of attacks.
(2 Marks)
SECTION B: ANSWER ANY TWO QUESTION
Question Two
Describe the phases of penetration testing and various types of penetration testing.
(10 Marks)
Describe the IPSec and SSL.
(5 Marks)
Question Three
DES uses a 56 bit key, with example describe DES concept.
(6 Marks)
Describe RFID security challenges and basic RFID protection mechanisms.
(6 Marks)
Describe Kerberus Architecture.
(8 Marks)
Define content filtering and describe technologies used for content filetering.
(5 Marks)
Question Four
With a diagram show message authentication code for authentication and confidentiality.
(8 Marks)
Describe the process of creating SET dual signature.
(8 Marks)
Using deffic Hellman show that KA = KB.
(6 Marks)
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