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Problem : Time-Memory-Tradeof
We've seen the Time-Memory-Tradeoff (TMTO) of hash chains and rainbow tables used to efficiently attack many wireless (and wired) systems. In this question, we'll explore TMTO in a bit more practical detail.
(a) Hash chain reduction functions map hashes back into the pre-image space. Can there be collision of the reduction function output? I.e. is there an X and X0 such that R(X) = R(X0 )? Explain your answer.
(b) Assume that the pre-image space is 8 bytes of ASCII. Write the pseudo-code for a good reduction function R() in this problem scenario. Explain any relevant details of your function R().
(c) Assume that the pre-image space is 8 bytes (where each byte can take on any value, not just ASCII). Write the pseudo-code for a good reduction function R( ) in this problem scenario. Explain any relevant details of your function R( ).
Write a program that asks the user for the name of a file. The program should display the content of the file on the screen.
Determine the larger and smaller integers. Write out every second integer, starting with the larger one and stopping at the lower one. (note: if one number is even and one is odd, the lower value will not show up in the output).
Discussion is designed to help you understand the roles of hardware and software components in a modern computer system. For the purposes of this Discussion, assume that you are heading a team of 25 people working on a software development project..
You are required to implement your designs in C++ Programming Language. Your program should be properly laid out and should be modular, making sure that software engineering aspects of modularity and reusability are fully considered.
A "MyNum" class that will read "randFile.txt" file and obtain the 20,000 integer numbers
Review the attached Javadoc (unzip the file and open the index.html file in a browser), and class UML diagram. These are from the project in the video, so should be clear how the implementation proceeds. Create your own Eclipse Java project, FileR..
How does a sequential file work? Provide an example. Provide C++ code that opens, reads, and then closes a sequential file
The mathematical operation max(x,y,w,z) can be represented by using the conditional expression operator, as in: max = (x > y && x > z && x > w) ? x : ((y > z && y > w) ? y : ((z > w) ? z : w)) Write a corresponding if else statement that is equival..
Store the account records in the file using the same hashing/rehashing technique used for storing them in an array of structures.
I need a C program that will address the application requirements called out in this Service Request: "SR-kf-008, Tax Calculator"
create an int variable and assign it a value. Print the int variable as a int and as a char.
Write a program that will store 10 integers into an array. Only accept integers between -100 and 100. Display those integers. You must then square those integers by CALLING A FUNCTION to square each individual integer. That function must be called, s..
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