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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
Medical Counter/Shop The Software for medical counter/shop should maintain: Complete customer Details Inventory Control Billing Linked to Accounts Have c
ython variables do not comprise to be explicitly declared to already reserve memory space. The declaration occurs automatically when you allocate a value to a variable. The equal s
E-R diagram and details for college management system
Write an ARM subroutine which will extract a substring from a string. You will need to use the library routine malloc to allocate memory for the new string. The subroutine signatu
A palindrome is a string that reads the same from both the ends. Given a string S convert it to a palindrome by doing character replacement. Your task is to convert S to palindrome
Task 1 Study various types of systems and simulate a system of your own. Task 2 Study various models and enumerate the various steps for designing a corporate model
How do I change file permissions? Every time I execute chmod commands it tells me permission denied.
explain anatomy of digital coputer
what is multiplaxer and truth table, digram
Define Levels of Abstraction in a DBMS, explain briefly, Conceptual Schema, Physical Schema, External Schema
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