// check if a numbers are prime on 'Check Prime Numbers' Button click
@FXML
private void checkPrimeNumbers() {
boolean firstPrime =
rsa.isPrime(
firstPrimary.getText()); // check if the number is prime and assign a boolean value
boolean secondPrime =
rsa.isPrime(
secondPrimary.getText()); // check if the number is prime and assign a boolean value
if (firstPrime && secondPrime) { // boolean for both numbers is true
rsa.setFirstPrime(firstPrimary.getText());
rsa.setSecondPrime(secondPrimary.getText());
publicKeyN = rsa.getModulus(); // get modulus (public key n)
constantPHI = rsa.getPHI(); // get phi
publicKeyE = rsa.getSecondPublicKey(); // get second public key e
privateD = rsa.getPrivateKey(); // get private key
modulusN.setText(publicKeyN);
phi.setText(constantPHI);
publicE.setText(publicKeyE);
privateKeyD.setText(privateD);
firstPrimary.setStyle(
"-fx-border-color: green;"); // set border color to green if the number is a prime number
secondPrimary.setStyle(
"-fx-border-color: green;"); // set border color to green if the number is a prime number
primeOrNotPrime1.setStyle("-fx-opacity: 1;");
primeOrNotPrime2.setStyle("-fx-opacity: 1;");
primeOrNotPrime1.setImage(
new Image("images/green_accept.jpg")); // display green tick if the number is prime
primeOrNotPrime2.setImage(new Image("images/green_accept.jpg"));
} else if (!firstPrime && secondPrime) { // first number is not a prime number
firstPrimary.setStyle(
"-fx-border-color: red;"); // set border color to red if the number is not a prime number
secondPrimary.setStyle(
"-fx-border-color: green;"); // set border color to green if the number is a prime number
primeOrNotPrime1.setStyle("-fx-opacity: 1;");
primeOrNotPrime2.setStyle("-fx-opacity: 1;");
primeOrNotPrime1.setImage(
new Image("images/error.jpg")); // display red sign if the number is not a prime
primeOrNotPrime2.setImage(new Image("images/green_accept.jpg"));
// call 'makeAlert' function with appropriate message
makeAlert(
"Error!!",
"The first number is not a prime number, please generate or select prime number!");
} else if (firstPrime && !secondPrime) { // second number is not a prime number
firstPrimary.setStyle(
"-fx-border-color: green;"); // set border color to green if the number is a prime number
secondPrimary.setStyle(
"-fx-border-color: red;"); // set border color to red if the number is not a prime number
primeOrNotPrime1.setStyle("-fx-opacity: 1;");
primeOrNotPrime2.setStyle("-fx-opacity: 1;");
primeOrNotPrime1.setImage(new Image("images/green_accept.jpg"));
primeOrNotPrime2.setImage(new Image("images/error.jpg"));
// call 'makeAlert' function with appropriate message
makeAlert(
"Error!!",
"The second number is not a prime number, please generate or select prime number!");
} else { // both numbers are not a prime numbers
firstPrimary.setStyle(
"-fx-border-color: red;"); // set border color to red if the number is not a prime number
secondPrimary.setStyle(
"-fx-border-color: red;"); // set border color to red if the number is not a prime number
primeOrNotPrime1.setStyle("-fx-opacity: 1;");
primeOrNotPrime2.setStyle("-fx-opacity: 1;");
primeOrNotPrime1.setImage(new Image("images/error.jpg"));
primeOrNotPrime2.setImage(new Image("images/error.jpg"));
// call 'makeAlert' function with appropriate message
makeAlert(
"Error!!",
"The both numbers are not a prime numbers, please generate or select prime numbers!");
}
}
