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AlgorithmParameters getProvider() method in Java with Examples
  • Last Updated : 17 Sep, 2019

The getProvider() method of java.security.AlgorithmParameters class is used to return the provider of this algorithm parameter object.

Syntax:

public final Provider getProvider()

Return Value: This method returns the provider of this algorithm parameter object.

Below are the examples to illustrate the getProvider() method:

Example 1: For Algorithm DSA






// Java program to demonstrate
// getAlgorithm() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
            // creating the object of
            // AlgorithmParameters
            // and getting instance
            // using getInstance() method
            AlgorithmParameters
                sr
                = AlgorithmParameters
                      .getInstance("DSA");
  
            // genrating the Parameters
            // using getAlgorithm() method
            Provider pro = sr.getProvider();
  
            // printing the string algo
            System.out.println("Provider: "
                               + pro);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown: "
                               + e);
        }
        catch (ProviderException e) {
  
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}
Output:
Provider: SUN version 1.8

Example 2: For Algorithm DiffieHellman




// Java program to demonstrate
// getAlgorithm() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
            // creating the object of
            // AlgorithmParameters
            // and getting instance
            // using getInstance() method
            AlgorithmParameters
                sr
                = AlgorithmParameters
                      .getInstance("DiffieHellman");
  
            // genrating the Parameters
            // using getAlgorithm() method
            Provider pro = sr.getProvider();
  
            // printing the string algo
            System.out.println("Provider: "
                               + pro);
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown: "
                               + e);
        }
        catch (ProviderException e) {
  
            System.out.println("Exception thrown: "
                               + e);
        }
    }
}
Output:
Provider: SunJCE version 1.8

Reference: https://docs.oracle.com/javase/9/docs/api/java/security/AlgorithmParameters.html#getProvider–

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