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One mechanism for resisting "replay" attacks in password authentication is to use one-time passwords: A list of passwords is prepared, and once password [N] has been accepted, the server decrements N and prompts for password[N - 1] next time. At N = 0 a new list is needed. Outline a mechanism by which the user and server need only remember one master password mp and have available locally a way to compute password[N] = f(mp, N). Hint: Let g be an appropriate one-way function (e.g., MD5) and let password[N] = g N(mp) = g, applied N times to mp. Explain why knowing password[N] doesn't help reveal password[N - 1].
Computer architecture is the combination of software and hardware that is organized in such a fashion as to deliver the machine's intended performance characteristics. Describe Von Neumann architecture and explain why it is important
How do C++ chars differ from Java chars?
Create an Employee class with two fields-IDNum and hourlyWage. The Employee constructor requires values for both fields. Upon construction, throw an ArgumentException if the hourlyWage is less than $6.00 or more than $50.00.
You have just been hired as an Information Security Engineer for a video game development company. The organization network structure is identified in the below network diagram and specifically contains:
Distinguish in detail between baseband and broadband transmission?
Design the class doctorType, inherited from the class personType, with an additional data member to store doctors speciality. Add appropriate constructors and member functions to initialize, access, and manipulate the data members.
Hackers can be an enormous security risk to any WAN. There are different types of hackers with different intent. Some of them just want to simply try and gain access to the network for fun to see if they can
Let us look at the five phases of a service lifecycle - service strategy, service design, service transition, service operation and continuous service improvement, as shown below - and assess how IT specific each individual process is.
How many bits are needed for the opcode - how many bits are left for the address part of the instruction and What is the format of a memory address as seen by the cache
Your software development company has been contracted to build a tool that will manage user accounts and rights in an Active Directory environment. One of your developers tells you that he wants the tool to make use of direct manipulation. A s..
Create a new table that adds a new column to the l_foods table. Use a row function that will add together the price and the price_increase columns. Name the new column new_price.
Determine the hardware to be used and the installation options. How will users log onto the systems. Explain.
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