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GarryVolchara [31]
3 years ago
8

Using the triple DES algorithm, which is the cipher text?

Computers and Technology
1 answer:
kodGreya [7K]3 years ago
6 0

Answer:

D. output derived from key K3

Explanation:

The cyphertext = EK3( DK2(EK1(plain text)))

And from the above, it is quite clear that in the case of the triple DES, the plain text is first encrypted using key 1, and then it is decrypted using the key 2. Finally, it is encrypted using the key 3, and this results in the final encrypted content, and which is the ciphertext. Thus, this clarifies that the output derived from the key k3 is the actual ciphertext, and hence the correct option for the above question is as mentioned above.

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Answer:

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3 years ago
Write a program FindDuplicate.java that reads n integer arguments from the command line into an integer array of length n, where
kozerog [31]

Answer:

  1. public class FindDuplicate{
  2.    public static void main(String[] args) {
  3.        Scanner input = new Scanner(System.in);
  4.        int n = 5;
  5.        int arr[] = new int[n];
  6.        for(int i=0; i < arr.length; i++){
  7.            int inputNum = input.nextInt();
  8.            if(inputNum >=1 && inputNum <=n) {
  9.                arr[i] = inputNum;
  10.            }
  11.        }
  12.        for(int j =0; j < arr.length; j++){
  13.            for(int k = 0; k < arr.length; k++){
  14.                if(j == k){
  15.                    continue;
  16.                }else{
  17.                    if(arr[j] == arr[k]){
  18.                        System.out.println("True");
  19.                        return;
  20.                    }
  21.                }
  22.            }
  23.        }
  24.        System.out.println("False");
  25.    }
  26. }

Explanation:

Firstly, create a Scanner object to get user input (Line 4).

Next, create an array with n-size (Line 7) and then create a for-loop to get user repeatedly enter an integer and assign the input value to the array (Line 9 - 14).

Next, create a double layer for-loop to check the each element in the array against the other elements to see if there is any duplication detected and display "True" (Line 21 - 22). If duplication is found the program will display True and terminate the whole program using return (Line 23). The condition set in Line 18 is to ensure the comparison is not between the same element.

If all the elements in the array are unique the if block (Line 21 - 23) won't run and it will proceed to Line 28 to display message "False".

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Answer:

Information about the parts of a cell, its location and role will help describe the appearance of a cell's content.

Organelles are cell structures that include the nucleus, cytoplasm, cell membrane among others. One can view these using a light microscope.

1. Cell Membrane is a fluid mosaic. It is the outer boundary of the cell.

2.Cytoplasm is the fluid inside the cell. It is located between the nucleus and the cell membrane.

3.Nucleus is the control center of the cell and is located at the center.

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