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QUESTION
(a) Using the Luhn 10 check formula verify whether the following account number is compliant: 49927398716. Show details of your workings
(b) Why is it advisable to provide a virtual keypad to the user for entering the password or any sensitive information such as credit card numbers?
(c) The .NET framework provides several hashing algorithms in the System.Security.Cryptography namespace namely the SHA1CryptoProvider, and the SHA1Managed. Distinguish between the CryptoProvider and the Managed classes. Your answer should include advantage(s) and/or disadvantage(s) of each
(d) (i) Why the Random class in the .NET framework is not suitable for generating random bytes for cryptography purposes?
(ii) Name the class that is typically used for generating random bytes for cryptography purposes. Are the values generated truly random? Justify your answer
How Much Insurance? Many financial experts advise that property owners should insure their homes or buildings for at least 80 percent of the amount it would cost to replace the st
concepts and components of computer security
I. Write an application that accomplishes the following tasks: 1. Read a text file that contains, integers, doubles, alphabet, alphanumeric, and others. The name of the input fil
Gareth's Gardens is a small firm that specialises in planning and laying new gardens. A particularly popular garden plan consists of a patio and lawn, together with a circular pon
CONCEPT IN PROGRAMMING LANGUAGE: A Programming Language is used to design and describe a set of instructions and computations to be executed by a computer. To do programming,
sin^2*a+cos^2*a=1
Mike sells on the average 15 newspapers per week (Monday – Friday). Find the probability that 2.1 In a given week he will sell all the newspapers [7] 2.2 In a given day he will sel
Question 1 Bring out the advantages of Linux Operating systems Question 2 Match the Symbols with their respective file types Symbol File N
WHAT IS CAI ITS PITFALLS
Frequency and Bandwidth: Let us try to understand a little about how information is transmitted. The information may be in the form of sound (human voice, music) or it may be
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