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KeyPairGenerator getProvider() method in Java with Examples

  • Last Updated : 04 Dec, 2018

The getProvider() method of java.security.KeyPairGenerator class is used to return the provider of this key pair generator object.

Syntax:

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public final Provider getProvider()

Return Value: This method returns the provider of this key pair generator object.

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



Example 1:




// Java program to demonstrate
// getProvider() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
            // creating the object of KeyPairGenerator
            KeyPairGenerator sr = KeyPairGenerator
                                      .getInstance("RSA");
  
            // getting the Provider of the KeyPairGenerator sr
            // by using method getProvider()
            Provider provider = sr.getProvider();
  
            // printing the provider name
            System.out.println("Provider name : "
                               + provider.getName());
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
Provider name : SunRsaSign

Example 2:




// Java program to demonstrate
// getProvider() method
  
import java.security.*;
import java.util.*;
  
public class GFG1 {
    public static void main(String[] argv)
    {
        try {
            // creating the object of KeyPairGenerator
            KeyPairGenerator sr = KeyPairGenerator
                                      .getInstance("DiffieHellman");
  
            // getting the Provider of the KeyPairGenerator sr
            // by using method getProvider()
            Provider provider = sr.getProvider();
  
            // printing the provider name
            System.out.println("Provider name : "
                               + provider.getName());
        }
  
        catch (NoSuchAlgorithmException e) {
  
            System.out.println("Exception thrown : " + e);
        }
    }
}
Output:
Provider name : SunJCE



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