Compare aes to des. for each of the following elements in des, indicate the comparable element in aes or explain why it is not needed in aes.
a. xor of subkey material with the input to the f function.
b. xor of the f function output with the left half of the block
c. f function
d. permutation p
e. swapping of halves of the block

Write a program that uses a random number generator to generate a two digit positive integer and allows the user to perform one or more of the following operations: a. double the number. b. reverse the digits of the number. c. raise the number to the power of 2, 3, or 4. d. sum the digits of the number. e. if the number is a two-digit number, then raise the first digit to the power of the second digit. f. if the number is a three-digit number and the last digit is less than or equal to 4, then raise the first two digits to the power of the last digit. after performing an operation if the number is less than 10, add 10 to the number. also, after each operation determine if the number is prime. each successive operation should be performed on the number generated by the last operation. your program should not contain any global variables and each of these operations must be implemented by a separate function. also, your program should be menu driven. 7. (fraction calculator) write a program that

In the context of an internet connection, llc stands for leased line connection liability limited company local loop complex local loop carrier

Q14 what is most important for you to choose before you build a network? a. private network b. nos c. network media d. network protocol e. directory service