import java.security.Provider;
import java.security.Security;

public class ProviderTest {
    public static void main (String[] args) throws Exception {
        Provider [] providers = Security.getProviders();
        for(int i=0;i<providers.length;i++){
            System.out.println(String.valueOf(i+1) + ": " + providers[i].getName()) ;
        }
    }
}