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
// Java program to demonstrate// getProvider() methodimport 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"); // generating the Parameters // using getProvider() 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
// Java program to demonstrate// getProvider() methodimport 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"); // generating the Parameters // using getProvider() 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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