When accurately executed, the only cryptosystem known to be unbreakable is called: "One-time Pad" (Option D)
<h3>What is a Crypto System?</h3>
The one-time pad is a cryptographic approach that cannot be broken but needs the usage of a single-use pre-shared key that is not less than the message being delivered. A plaintext is coupled with a unique secret key in this manner.
It should be emphasized that in cryptography, a cryptosystem is a collection of cryptographic algorithms that are required to perform a certain security function, such as confidentiality. A cryptosystem is often composed of three algorithms: one just for key generation, one for encrypting, and one for deciphering.
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Full Question:
When correctly implemented, what is the only cryptosystem known to be unbreakable?
A) Transposition cipher
B) Substitution cipher
C) Advanced Encryption Standard
D) One-time Pad
Answer:
Explanation:
C++ Code
#include <iostream>
#include <cstdlib>
using namespace std;
int main(){
double hour,minute;
cout<<"Enter Hours :";
cin>>hour;
cout<<"Enter Minutes :";
cin>>minute;
minute = minute+15;
if(minute >=60){
hour++;
minute = minute-60;
}
if(hour>23){
hour = 0;
}
cout<<"Hour: "<< hour<< " Minutes: "<<minute;
return 0;
}
Code Explanation
First take hours and minutes as input. Then add 15 into minutes.
If minutes exceeds from 60 then increment into hours and also remove 60 from minutes as hours already incremented.
Then check if hours are greater then 23 then it means new day is start and it should be 0.
Output
Enter Hours :9
Enter Minutes :46
Hour: 10 Minutes: 1
If an error occurs within a program, each of the numeric functions would return a <u>null value</u>.
<h3>What is a function?</h3>
A function refers to a named portion of a block of executable code that is written to perform a specific task, which is usually a single, related action.
Thus, a function comprises a group of related statements (block of code) that would only run and returns a data when it is called.
In Computer programming, if an error occurs within a program, each of the numeric functions would return a <u>null value</u>.
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Answer:
RecursiveCalls.backwardsAlphabet(startingLetter);
Explanation:
The statement that is needed is a single-line statement. Since the class RecursiveCalls is already in the same file we can simply use that class and call its function without making a new class object. Once we call that class' function we simply pass the variable startingLetter (which is already provided) as the sole parameter for the function in order for it to run and use the letter 'z' as the starting point.
RecursiveCalls.backwardsAlphabet(startingLetter);
The answer is C. Have a good day. just know that you are the best
