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Question 1:
(a) Differentiate between symmetric and asymmetric encryption system.
(b) Describe how a digital signature is created.
(c) Explain briefly what SSL (secure socket layer) is and how it can be applied to e_banking services to ensure security.
(d) Explain the steps involved in a SET(Secure Electronic Transaction.
(e) In cryptography explain the following: (i) Authentication. (ii) Non-repudiation. (iii) Confidentiality. (iv) Integrity.
Question 2:
(a) Outline the main difference between a credit card and a debit card as a payment instrument.
(b) Outline the role of the credit card Gateway and list down the steps involved when payment is processed via the payment gateway.
(c) Outline briefly how biometric systems work and give four examples of biometric measurements that can be used to identify a person.
(d) Outline the importance of backup, recovery and business continuity procedures in an e_banking environment.
(e) Outline briefly the following electronic payment methods:
(i) E_Wallet. (ii) Smart Card.
POINT-TO-POINT: In Point-to-Point topology there are two kind of topologies. 1) STAR topology 2) TREE topology In star topology each and every computer is connect
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Assume that the RSA problem is hard, prove that the RSA encryption is secure against IND- CPA. Provide a game between an adversary A and a simulator (or challenger) B.
Ask You have been asked by a new client to assist in setting up a new computer for her coffee shop. She has just purchased the newest Apple computer from an online site. Should wou
Question: (a) What do you meant by the term diffusion and confusion? Explain how diffusion and confusion can be implemented. (b) Distinguish between authorisation and auth
What is the concept of topology?
what is hacking
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COMPONENTS OF AN INFORMATION SYSTEM The components of an information system are software, data, hardware, people, procedures and Networks. These 6 components are critical to ena
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